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TCM809/TCM810 3-Pin Microcontroller Reset Monitors Features * Precision VDD Monitor for 2.5V, 3.0V, 3.3V, 5.0V Nominal System Voltage Supplies * 140 msec Minimum RESET Time Out Period * RESET Output to VDD = 1.0V (TCM809) * Low Supply Current, 9 A (typ.) * VDD Transient Immunity * Small 3-Pin SC-70 and SOT-23B Packages * No External Components * Push-Pull RESET Output * Temperature Range: - Industrial, SC-70 (E): -40C to +85C - Extended, SOT-23, SC-70 (V): -40C to +125C General Description The TCM809 and TCM810 are cost-effective system supervisor circuits designed to monitor VDD in digital systems and provide a reset signal to the host processor, when necessary. No external components are required. The RESET output is typically driven active within 65 sec of VDD falling through the reset voltage threshold. RESET is maintained active for a minimum of 140 msec after VDD rises above the reset threshold. The TCM810 has an active-high RESET output, while the TCM809 has an active-low RESET output. The output of the TCM809/TCM810 is valid down to VDD = 1V. Both devices are available in 3-Pin SC-70 and SOT-23B packages. The TCM809/TCM810 is optimized to reject fast transient glitches on the VDD line. A low supply current of 9 A (typ., VDD = 3.3V) make these devices suitable for battery-powered applications. Applications * * * * * Computers Embedded Systems Battery-Powered Equipment Critical Microcontroller Power Supply Monitoring Automotive Pin Configurations SOT-23B/SC-70 Typical Application Circuit VDD 3 VDD VDD PICmicro(R) Microcontroller 2 RESET INPUT (Active-Low) GND TCM809 RESET TCM810 (RESET) 2 GND 1 TCM809/ TCM810 3 VDD TCM809 RESET GND 1 Note: 3-Pin SOT-23B is equivalent to JEDEC TO-236. 2004 Microchip Technology Inc. DS21661C-page 1 TCM809/TCM810 1.0 ELECTRICAL CHARACTERISTICS PIN FUNCTION TABLE NAME FUNCTION Ground. Absolute Maximum Ratings Supply Voltage (VDD to GND) ..........................................6.0V RESET, RESET.................................... - 0.3V to (VDD +0.3V) Input Current, VDD.........................................................20 mA Output Current, RESET, RESET...................................20 mA dV/dt (VDD) ............................................................. 100V/sec Operating Temperature Range.................... - 40C to +125C Power Dissipation (TA = 70C): 3-Pin SOT-23B (derate 4 mW/C above +70C) ......320 mW 3-Pin SC-70 (derate 2.17 mW/C above +70C)......174 mW Storage Temperature Range ....................... - 65C to +150C Maximum Junction Temperature, TJ .............................. 150C Notice: Stresses above those listed under "Maximum ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. GND RESET (TCM809) RESET push-pull output remains low while VDD is below the reset voltage threshold and for 240 msec (140 msec min.) after VDD rises above reset threshold. RESET (TCM810) RESET push-pull output remains high while VDD is below the reset voltage threshold and for 240 msec (140 msec min.) after VDD rises above reset threshold. VDD Supply voltage (+2.5V, +3.0V, +3.3V, +5.0V). ELECTRICAL CHARACTERISTICS VDD = Full Range, TA = Operating Temperature Range, unless otherwise noted. Typical values are at TA = +25C, VDD = 5V for L/M/J, 3.3V for T/S, 3.0V for R and 2.5V for Z (Note 1). Parameter VDD Range Supply Current ICC VTH Sym Min 1.0 1.2 -- -- Reset Threshold (Note 2) 4.56 4.50 4.31 4.25 3.93 3.89 3.04 3.00 2.89 2.85 2.59 2.55 2.28 2.25 Reset Threshold Tempco VDD to Reset Delay, Reset Active Time Out Period -- -- 140 Typ -- -- 12 9 4.63 -- 4.38 -- 4.00 -- 3.08 -- 2.93 -- 2.63 -- 2.32 -- 30 65 320 Max 5.5 5.5 30 25 4.70 4.75 4.45 4.50 4.06 4.10 3.11 3.15 2.96 3.00 2.66 2.70 2.35 2.38 -- -- 560 V V V V V V V V V V V V ppm/C sec msec VDD = VTH to (VTH - 100 mV) (Note 2) TCM8xxZ: TCM8xxR: TCM8xxS: TCM8xxT: TCM809J: TCM8xxM: V A Units V Test Conditions TA = 0C to +70C TA = - 40C to +125C TCM8xxL/M/J: TCM8xxR/S/T/Z: TCM8xxL: VDD < 5.5V VDD < 3.6V TA = +25C TA = - 40C to +125C TA = +25C TA = - 40C to +125C TA = +25C TA = - 40C to +125C TA = +25C TA = - 40C to +125C TA = +25C TA = - 40C to +125C TA = +25C TA = - 40C to +125C TA = +25C TA = - 40C to +125C Note 1: Production testing done at TA = +25C, overtemperature limits ensured by QC screen. 2: RESET output for TCM809, RESET output for TCM810. DS21661C-page 2 2004 Microchip Technology Inc. TCM809/TCM810 ELECTRICAL CHARACTERISTICS (CONTINUED) VDD = Full Range, TA = Operating Temperature Range, unless otherwise noted. Typical values are at TA = +25C, VDD = 5V for L/M/J, 3.3V for T/S, 3.0V for R and 2.5V for Z (Note 1). Parameter RESET Output Voltage Low (TCM809) Sym VOL Min -- -- -- RESET Output Voltage High (TCM809) RESET Output Voltage Low (TCM810) RESET Output Voltage High (TCM810) VOH VOL VOH 0.8 VDD VDD - 1.5 -- -- 0.8 VDD Typ -- -- -- -- -- -- -- -- Max 0.3 0.4 0.3 -- -- 0.3 0.4 -- V V V Units V TCM809R/S/T/Z: TCM809L/M/J: Test Conditions VDD = VTH min, ISINK = 1.2 mA VDD = VTH min, ISINK = 3.2 mA VDD > 1.0V, ISINK = 50 A TCM809R/S/T/Z: VDD > VTH max, ISOURCE = 500 A TCM809L/M/J: VDD > VTH max, ISOURCE = 800 A TCM810R/S/T/Z:VDD = VTH max, ISINK = 1.2 mA TCM810L/M: VDD = VTH max, ISINK = 3.2 mA 1.8 < VDD < VTH min, ISOURCE = 150 A Note 1: Production testing done at TA = +25C, overtemperature limits ensured by QC screen. 2: RESET output for TCM809, RESET output for TCM810. 2004 Microchip Technology Inc. DS21661C-page 3 TCM809/TCM810 2.0 Note: TYPICAL PERFORMANCE CHARACTERISTICS The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. 18 TCM8xx/R/S/T/Z, No Load 16 14 12 10 VDD = 3V 8 6 4 2 0 -40 -20 0 20 40 60 80 100 120 0 -40 -20 0 20 40 60 Temperature (C) 80 100 120 VDD = 1V Power-up Reset Timeout (sec) Supply Current ( A) 350 300 250 200 150 100 50 VDD = 5V 450 400 Temperature (C) FIGURE 2-1: Temperature. 16 TCM8xx/L/M/J, No Load 14 12 Supply Current ( A) 10 Supply Current vs. FIGURE 2-3: vs. Temperature. 1.001 Power-up Reset Time Out VDD = 5V Normalized Reset Threshold 1 VDD = 3V 8 6 4 2 0 -40 -20 0 20 40 60 80 100 120 VDD = 1V 0.999 0.998 0.997 -40 -20 0 20 40 60 80 100 120 Temperature (C) Temperature (C) FIGURE 2-2: Temperature. Supply Current vs. FIGURE 2-4: Normalized Reset Threshold vs. Temperature. DS21661C-page 4 2004 Microchip Technology Inc. TCM809/TCM810 3.0 3.1 APPLICATIONS INFORMATION VDD Transient Rejection Combinations above the curve are detected as a brown-out or power-down condition. Transient immunity can be improved by adding a capacitor in close proximity to the VDD pin of the TCM809/TCM810. The TCM809/TCM810 provides accurate VDD monitoring and reset timing during power-up, power-down and brown-out/sag conditions. These devices also reject negative-going transients (glitches) on the power supply line. Figure 3-1 shows the maximum transient duration vs. maximum negative excursion (overdrive) for glitch rejection. Any combination of duration and overdrive that lies under the curve will not generate a reset signal. VDD VTH Overdrive 3.2 RESET Signal Integrity During Power-Down Duration Maximum Transient Duration (sec) 400 320 240 160 TCM8XXL/M/J (SOT-23) 80 0 TCM8XXZ/R/S/T (SOT-23) TA = +25C The TCM809 RESET output is valid to VDD = 1.0V. Below this voltage the output becomes an "open circuit" and does not sink current. This means CMOS logic inputs to the microcontroller will be floating at an undetermined voltage. Most digital systems are completely shut down well above this voltage. However, in situations where RESET must be maintained valid to VDD = 0V, a pull-down resistor must be connected from RESET to ground to discharge stray capacitances and hold the output low (Figure 3-2). This resistor value, though not critical, should be chosen such that it does not appreciably load RESET under normal operation (100 k will be suitable for most applications). Similarly, a pull-up resistor to VDD is required for the TCM810 to ensure a valid high RESET for VDD below 1.0V. VDD VDD TCM809 RESET R1 100 k 1 5 1000 100 Reset Comparator Overdrive [VTH - VDD] (mv) GND 130 VDD to Reset Delay (sec) 120 110 100 90 80 70 60 50 40 30 1 10 100 1000 TCM8XXZ/R/S/T (SC-70) TCM8XXL/M/J (SC-70) FIGURE 3-2: The addition of R1 at the RESET output of the TCM809 ensures that the RESET output is valid to VDD = 0V. Reset Comparator Overdrive (mV) [VTH - VDD] (mv) FIGURE 3-1: Maximum Transient Duration vs. Overdrive for Glitch Rejection at +25C. 2004 Microchip Technology Inc. DS21661C-page 5 TCM809/TCM810 3.3 Controllers and Processors With Bidirectional I/O Pins Buffer VDD Some microcontrollers have bidirectional reset pins. Depending on the current drive capability of the controller pin, an indeterminate logic level may result if there is a logic conflict. This can be avoided by adding a 4.7 k resistor in series with the output of the TCM809/ TCM810 (Figure 3-3). If there are other components in the system that require a reset signal, they should be buffered so as not to load the reset line. If the other components are required to follow the reset I/O of the microcontroller, the buffer should be connected as shown with the solid line. Buffered RESET To Other System Components TCM809 4.7 k RESET GND PICmicro(R) Microcontroller RESET GND FIGURE 3-3: Interfacing the TCM809 to a Bidirectional RESET I/O. DS21661C-page 6 2004 Microchip Technology Inc. TCM809/TCM810 4.0 4.1 PACKAGING INFORMATION Package Marking Information 3-Pin SOT-23B 3-Pin SC-70 Top Side Part Number TCM809LENB TCM809MENB TCM809TENB TCM809SENB TCM809RENB TCM809JENB TCM809ZENB TCM809LVNB/TCM809LVLB TCM809MVNB/TCM809MVLB TCM809TVNB/TCM809TVLB TCM809SVNB/TCM809SVLB TCM809RVNB/TCM809RVLB TCM809JVNB/TCM809JVLB TCM809ZVNB/TCM809ZVLB Part Number TCM810LENB TCM810MENB TCM810TENB TCM810SENB TCM810RENB TCM810ZENB TCM810LVNB/TCM810LVLB TCM810MVNB/TCM810MVLB TCM810TVNB/TCM810TVLB TCM810SVNB/TCM810SVLB TCM810RVNB/TCM810RVLB Legend: 1 2 3 4 5 6 Bottom Side SOT-23/SC-70 J1 J2 J3 J4 J5 J6 J7 JZ JY JX JV JU JT JS (SC-70 package only) SOT-23/SC-70 K1 K2 K3 K4 K5 K6 KZ KY KX KV KU Part Number + temperature range and voltage (two-digit code) Part Number + temperature range and voltage (two-digit code) Lot ID number Year and work week Year and work week Year and work week Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line thus limiting the number of available characters for customer specific information. 2004 Microchip Technology Inc. DS21661C-page 7 TCM809/TCM810 3-Lead Plastic Small Outline Transistor (NB) (SOT-23) E E1 2 B n p p1 D 1 c A A2 L A1 Units Dimension Limits n Number of Pins p Pitch p1 Outside lead pitch (basic) Overall Height A Molded Package Thickness A2 Standoff A1 Overall Width E Molded Package Width E1 Overall Length D Foot Length L Foot Angle c Lead Thickness Lead Width Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter Significant Characteristic B MIN INCHES* NOM 3 .038 .076 .040 .037 .002 .093 .051 .115 .018 5 .006 .017 5 5 MAX MIN .035 .035 .000 .083 .047 .110 .014 0 .004 .015 0 0 .044 .040 .004 .104 .055 .120 .022 10 .007 .020 10 10 MILLIMETERS NOM 3 0.96 1.92 0.89 1.01 0.88 0.95 0.01 0.06 2.10 2.37 1.20 1.30 2.80 2.92 0.35 0.45 0 5 0.09 0.14 0.37 0.44 0 5 0 5 MAX 1.12 1.02 0.10 2.64 1.40 3.04 0.55 10 0.18 0.51 10 10 Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" (0.254mm) per side. JEDEC Equivalent: TO-236 Drawing No. C04-104 DS21661C-page 8 2004 Microchip Technology Inc. TCM809/TCM810 3-Lead Plastic Small Outline Transistor (LB) (SC-70) E E1 B 2 p1 D 3 1 p a c A A2 b L A1 Units Dimension Limits Number of Pins Pitch Outside lead pitch (basic) Overall Height Molded Package Thickness Standoff Overall Width Molded Package Width Overall Length Foot Length Lead Thickness Lead Width Mold Draft Angle Top Mold Draft Angle Bottom p p1 A A2 A1 E E1 D L c B a b INCHES MIN 3 .026 BSC. .051 BSC. .031 .031 .000 .071 .045 .071 .004 .003 .006 8 8 MAX .043 .039 .0004 .094 .053 .089 .016 .010 .016 12 12 MILLIMETERS* MIN MAX 3 0.65 BSC. 1.30 BSC. 0.80 1.10 0.80 1.00 0.00 .010 1.80 2.40 1.15 1.35 1.80 2.25 0.10 0.41 0.08 0.25 0.15 0.40 8 12 8 12 *Controlling Parameter Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .005" (0.127mm) per side. JEITA (EIAJ) Equivalent: SC70 Drawing No. C04-104 2004 Microchip Technology Inc. DS21661C-page 9 TCM809/TCM810 4.2 Product Tape and Reel Specifications EMBOSSED CARRIER DIMENSIONS (8, 12, 16, AND 24 MM TAPE ONLY) Top Cover Tape FIGURE 4-1: A0 W K0 B0 P TABLE 1: Case Outline NB LB CARRIER TAPE/CAVITY DIMENSIONS Package Type SOT-23 SC-70 3L 3L Carrier Dimensions W mm 8 8 P mm 4 4 A0 mm 3.15 2.4 Cavity Dimensions B0 mm 2.77 2.4 K0 mm 1.22 1.19 Output Quantity Units 3000 3000 Reel Diameter in mm 180 180 FIGURE 4-2: 3-LEAD SOT-23/SC70 DEVICE TAPE AND REEL SPECIFICATIONS Device Marking User Direction of Feed Pin 1 W, Width of Carrier Tape Pin 1 P, Pitch Standard Reel Component Orientation Reverse Reel Component Orientation DS21661C-page 10 2004 Microchip Technology Inc. Device Marking TCM809/TCM810 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. PART NO. Device X X Temperature Range XXXXX Package Examples: a) TCM809LENB713: SOT-23B-3-TR, Microcontroller 4.63V Reset Monitor, -40C to +85C, Tape and Reel. SC-70-3-TR, Microcontroller 4.63V Reset Monitor, -40C to +125C, Tape and Reel. SOT-23B-3-TR, Microcontroller 4.63V Reset Monitor, -40C to +125C, Tape and Reel. SOT-23B-3-TR, Microcontroller 4.38V Reset Monitor, -40C to +85C, Tape and Reel. SOT-23B-3-TR, Microcontroller 2.63V Reset Monitor, -40C to +125C, Tape and Reel. SC-70-3-TR, Microcontroller 4.38V Reset Monitor, -40C to +125C, Tape and Reel. VDD Reset Threshold Device: TCM809: Supervisor circuit with active-low RESET output TCM810: Supervisor circuit with active-high RESET output b) TCM809LVLB713: VDD Reset Threshold: L M J T S R Z = = = = = = = 4.63V 4.38V 4.00V 3.08V 2.93V 2.63V 2.32V c) TCM809LVNB713: a) TCM810MENB713: Temperature Range: E V = -40C to +85C = -40C to +125C b) TCM810RVLB713: Package: NB713 = SOT-23B, 3-pin (Tape and Reel) LB713 = SC-70, 3-pin (Tape and Reel) c) TCM810TVLB713: Sales and Support Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. 2. 3. Your local Microchip sales office The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277 The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2004 Microchip Technology Inc. DS21661C-page 11 TCM809/TCM810 NOTES: DS21661C-page 12 2004 Microchip Technology Inc. Note the following details of the code protection feature on Microchip devices: * * Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. Microchip is willing to work with the customer who is concerned about the integrity of their code. Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable." * * * Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip's products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, MPLAB, PIC, PICmicro, PICSTART, PRO MATE, PowerSmart and rfPIC are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. AmpLab, FilterLab, microID, MXDEV, MXLAB, PICMASTER, SEEVAL, SmartShunt and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Application Maestro, dsPICDEM, dsPICDEM.net, dsPICworks, ECAN, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, PICkit, PICDEM, PICDEM.net, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, Select Mode, SmartSensor, SmartTel and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. (c) 2004, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received ISO/TS-16949:2002 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona and Mountain View, California in October 2003. The Company's quality system processes and procedures are for its PICmicro(R) 8-bit MCUs, KEELOQ(R) code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001:2000 certified. 2004 Microchip Technology Inc. DS21661C-page 13 WORLDWIDE SALES AND SERVICE AMERICAS Corporate Office 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: 480-792-7627 Web Address: http://www.microchip.com China - Beijing Unit 706B Wan Tai Bei Hai Bldg. No. 6 Chaoyangmen Bei Str. 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De Biesbosch 14 NL-5152 SC Drunen, Netherlands Tel: 31-416-690399 Fax: 31-416-690340 ASIA/PACIFIC Australia Suite 22, 41 Rawson Street Epping 2121, NSW Australia Tel: 61-2-9868-6733 Fax: 61-2-9868-6755 United Kingdom 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44-118-921-5869 Fax: 44-118-921-5820 02/17/04 DS21661C-page 14 2004 Microchip Technology Inc. |
Price & Availability of TCM809RELB713
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