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| Features * Operating Voltage: 3.3V, 5V tolerant * Access Time: * * * * * * * * * * - 17 ns - 15 ns Very Low Power Consumption - Active: 610 mW (Max) @ 17 ns(1), 540 mW (Max) @ 25 ns - Standby: 3.3 mW (Typ) Wide Temperature Range: -55 to +125C TTL-Compatible Inputs and Outputs Asynchronous Designed on 0.25 m Radiation Hardened Process No Single Event Latch Up below LET Threshold of 80 MeV/mg/cm2 Tested up to a Total Dose of 300 krads (Si) according to MIL-STD-883 Method 1019 500 Mils Wide FP36 Package ESD Better than 2000V Quality Grades: ESCC with 9301/052, QML-Q or V with smd 5962-05208 1. 650 mW (Max) @ 15 ns Note: Description The AT60142FT is a very low power CMOS static RAM organized as 512K x 8 bits. Atmel brings the solution to applications where fast computing is as mandatory as low consumption, such as aerospace electronics, portable instruments, or embarked systems. Utilizing an array of six transistors (6T) memory cells, the AT60142FT combines an extremely low standby supply current (Typical value = 1 mA) with a fast access time at 15 ns over the full military temperature range. The high stability of the 6T cell provides excellent protection against soft errors due to noise. The AT60142FT is processed according to the methods of the latest revision of the MIL PRF 38535 or ESCC 9000. It is produced on a radiation hardened 0.25 m CMOS process. Rad Hard 512K x 8 5V Tolerant Very Low Power CMOS SRAM AT60142FT Rev. 7726A-AERO-07/07 1 AT60142FT Block Diagram Pin Configuration A0 A1 A2 A3 A4 CS I/O1 I/O2 Vcc GND I/O3 I/O4 WE A5 A6 A7 A8 A9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 NC A18 A17 A16 A15 OE I/O8 I/O7 GND Vcc I/O6 I/O5 A14 A13 A12 A11 A10 N/C 36 - pin -Flatpack - 500 Mils 2 7726A-AERO-07/07 Pin Description Table 1. Pin Names Name A0 - A18 I/O1 - I/O8 CS WE OE Vcc GND Description Address Inputs Data Input/Output Chip Select Write Enable Output Enable Power Supply Ground Table 2. Truth Table(1) CS H L L L Note: WE X H L H OE X L X H Inputs/Outputs Z Data Out Data In Z Mode Deselect/ Power-down Read Write Output Disable 1. L=low, H=high, X= L or H, Z=high impedance. 3 AT60142FT 7726A-AERO-07/07 AT60142FT Electrical Characteristics Absolute Maximum Ratings* Supply Voltage to GND Potential:.........................-0.5V + 4.6V DC Input Voltage:...........................................GND -0.5V to 7V DC Output Voltage High Z State: ................GND -0.5V to 4.6V Storage Temperature: ................................... -65C to + 150C Output Current Into Outputs (Low): ............................... 20 mA Electro Statics Discharge Voltage:..... .........> 2000V (MIL STD 883D Method 3015.3) *NOTE: Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Military Operating Range Operating Voltage Military 3.3 + 0.3V Operating Temperature -55C to + 125C Recommended DC Operating Conditions Parameter Vcc GND VIL VIH Note: Description Supply voltage Ground Input low voltage Input high voltage Min 3 0.0 GND - 0.3 2.2 Typ 3.3 0.0 0.0 - Max 3.6 0.0 0.8 5.5(1) Unit V V V V 1. 5.8V in transient conditions. Capacitance Parameter Cin(1) Cout(1) Note: Description Input capacitance Output capacitance Min - - Typ - - Max 12 12 Unit pF pF 1. Guaranteed but not tested. 4 7726A-AERO-07/07 DC Parameters Parameter IIX (1) Description Input leakage current Output leakage current Input Leakage Current Output Leakage Current Output low voltage Output high voltage Minimum -1 -1 - - - 2.4 Typical - - - - - - Maximum 1 1 2 1.5 0.4 - Unit A A A A V V IOZ(1) IIH(2) at 5.5V IOZH(2) at 5.5V VOL(3) VOH 1. (4) GND < VIN < VCC, GND < VOUT < VCC Output Disabled. 2. 3. 4. VIN = 5.5V, VOUT = 5.5V, Output Disabled. VCC min. IOL = 6 mA VCC min. IOH = -4 mA. Consumption Symbol ICCSB (1) ICCSB1 (2) Description Standby Supply Current Standby Supply Current TAVAV/TAVAW Test Condition - AT60142FT-17 2 AT60142FT-15 2.5 Unit mA Value max - 15 ns 17 ns 25 ns 50 ns 1 s 15 ns 17 ns 25 ns 50 ns 1 s 1.8 170 150 75 10 145 130 120 100 2 180 170 150 75 10 150 145 130 120 100 mA max ICCOP(3) Read Dynamic Operating Current mA max ICCOP(4) Write Dynamic Operating Current mA max 1. 2. 3. 4. CS >VIH CS > VCC - 0.3V F = 1/TAVAV, Iout = 0 mA, WE = OE = VIH, VIN = GND/VCC, VCC max. F = 1/TAVAW, Iout = 0 mA, WE = VIL, OE = VIH , VIN = GND/VCC, VCC max. 5 AT60142FT 7726A-AERO-07/07 AT60142FT Data Retention Mode Atmel CMOS RAM's are designed with battery backup in mind. Data retention voltage and supply current are guaranteed over temperature. The following rules insure data retention: 1. During data retention chip select CS must be held high within VCC to VCC -0.2V. 2. Output Enable (OE) should be held high to keep the RAM outputs high impedance, minimizing power dissipation. 3. During power-up and power-down transitions CS and OE must be kept between VCC + 0.3V and 70% of VCC. 4. The RAM can begin operation > tR ns after VCC reaches the minimum operation voltages (3V). Figure 1. Data Retention Timing Data Retention Characteristics Parameter VCCDR tCDR tR ICCDR (2) 1. 2. Description VCC for data retention Chip deselect to data retention time Operation recovery time Data retention current TAVAV = Read cycle time. CS = VCC, VIN = GND/VCC. Min 2.0 0.0 tAVAV (1) Typ TA = 25C - - - Max - - - 1.5 (AT60142FT-15) Unit V ns ns - 0.700 1.3 (AT60142FT-17) mA 6 7726A-AERO-07/07 AC Characteristics Temperature Range:................................................ -55 +125C Supply Voltage:........................................................ 3.3 +0.3V Input Pulse Levels: .................................................. GND to 3.0V Input Rise and Fall Times:....................................... 3ns (10 - 90%) Input and Output Timing Reference Levels: ............ 1.5V Output Loading IOL/IOH:............................................ See Figure 1 Figure 2. AC Test Loads Waveforms 7 AT60142FT 7726A-AERO-07/07 AT60142FT Write Cycle Symbol TAVAW TAVWL TAVWH TDVWH TELWH TWLQZ TWLWH TWHAX TWHDX TWHQX Notes: Parameter Write cycle time Address set-up time Address valid to end of write Data set-up time CS low to write end Write low to high Z(1) Write pulse width Address hold from end of write Data hold time Write high to low Z(1) AT60142FT-17 17 0 8 7 12 7 8 0 0 3 AT60142FT-15 15 0 8 7 10 6 8 0 0 3 Unit ns ns ns ns ns ns ns ns ns ns Value min min min min min max min min min min 1. Parameters guaranteed, not tested, with output loading 5 pF. (See "AC Test Loads Waveforms" on page 7.) Figure 3. Write Cycle 1. WE Controlled, OE High During Write E Figure 4. Write Cycle 2. WE Controlled, OE Low E 8 7726A-AERO-07/07 Figure 5. Write Cycle 3. CS Controlled E Note: The internal write time of the memory is defined by the overlap of CS Low and W LOW. Both signals must be activated to initiate a write and either signal can terminate a write by going in active mode. The data input setup and hold timing should be referenced to the active edge of the signal that terminates the write. Data out is high impedance if OE= VIH. 9 AT60142FT 7726A-AERO-07/07 AT60142FT Read Cycle Symbol TAVAV TAVQV TAVQX TELQV TELQX TEHQZ TGLQV TGLQX TGHQZ Note: Parameter Read cycle time Address access time Address valid to low Z Chip-select access time CS low to low Z(1) CS high to high Z(1) Output Enable access time OE low to low Z(1) OE high to high Z (1) AT60142FT-17 17 17 5 17 5 7 8 2 6 AT60142FT-15 15 15 5 15 5 6 6 2 5 Unit ns ns ns ns ns ns ns ns ns Value min max min max min max max min max 1. Parameters guaranteed, not tested, with output loading 5 pF. (See "AC Test Loads Waveforms" on page 7.) Figure 6. Read Cycle nb 1: Address Controlled (CS = OE = VIL, WE = VIH) Figure 7. Read Cycle nb 2: Chip Select Controlled (WE = VIH) 10 7726A-AERO-07/07 Ordering Information Part Number AT60142FT-DC17M-E 5962-0520801QXC 5962-0520801VXC 5962R0520801VXC 930105201 AT60142FT-DS17M-E 5962-0520801QYC 5962-0520801VYC 5962R0520801VYC AT60142FT-DS17ESCC(3) AT60142FT-DD17M-E AT60142FT-DS15M-E (1) (1) (2) Temperature Range 25C -55 to +125C -55 to +125C -55 to +125C -55 to +125C 25C -55 to +125C -55 to +125C -55 to +125C -55 to +125C 25C -55 to +125C 25C -55 to +125C -55 to +125C -55 to +125C -55 to +125C 25C -55 to +125C Speed 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 17 ns/5V tol. 15 ns/5V tol. 15 ns/5V tol. 15 ns/5V tol. 15 ns/5V tol. 15 ns/5V tol. 15 ns/5V tol. 15 ns/5V tol. Package FP36.5 FP36.5 FP36.5 FP36.5 FP36.5 FP36.5 grounded lid FP36.5 grounded lid FP36.5 grounded lid FP36.5 grounded lid FP36.5 grounded lid Die Die FP36.5 grounded lid FP36.5 grounded lid FP36.5 grounded lid FP36.5 grounded lid FP36.5 grounded lid Die Die Flow Engineering Samples QML Q QML V QML V RHA ESCC Engineering Samples QML Q QML V QML V RHA ESCC Engineering Samples QML V Engineering Samples QML Q QML V QML V RHA ESCC Engineering Samples QML V AT60142FT-DD17MSV (1) AT60142FT-DS15MMQ(1) (2) AT60142FT-DS15MSV (1) (2) (1) (2) (3) AT60142FT-DS15MSR AT60142FT-DS15ESCC AT60142FT-DD15M-E(1) AT60142FT-DS15MSV Note: 1. Contact Atmel for availability. 2. Will be replaced by SMD part number when available. 3. Will be replaced by ESCC part number when available. 11 AT60142FT 7726A-AERO-07/07 AT60142FT Package Drawings 36-lead Flat Pack (500 Mils) Notes: 1. package DC : lid is NOT connected to GROUND 2. package DS : lid is connected to GROUND 12 7726A-AERO-07/07 Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany Tel: (49) 71-31-67-0 Fax: (49) 71-31-67-2340 1150 East Cheyenne Mtn. Blvd. Colorado Springs, CO 80906, USA Tel: 1(719) 576-3300 Fax: 1(719) 540-1759 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Microcontrollers 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 La Chantrerie BP 70602 44306 Nantes Cedex 3, France Tel: (33) 2-40-18-18-18 Fax: (33) 2-40-18-19-60 Biometrics/Imaging/Hi-Rel MPU/ High Speed Converters/RF Datacom Avenue de Rochepleine BP 123 38521 Saint-Egreve Cedex, France Tel: (33) 4-76-58-30-00 Fax: (33) 4-76-58-34-80 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel: (852) 2721-9778 Fax: (852) 2722-1369 ASIC/ASSP/Smart Cards Zone Industrielle 13106 Rousset Cedex, France Tel: (33) 4-42-53-60-00 Fax: (33) 4-42-53-60-01 1150 East Cheyenne Mtn. Blvd. Colorado Springs, CO 80906, USA Tel: 1(719) 576-3300 Fax: 1(719) 540-1759 Scottish Enterprise Technology Park Maxwell Building East Kilbride G75 0QR, Scotland Tel: (44) 1355-803-000 Fax: (44) 1355-242-743 Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel: (81) 3-3523-3551 Fax: (81) 3-3523-7581 Literature Requests www.atmel.com/literature Disclaimer: Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company's standard warranty which is detailed in Atmel's Terms and Conditions located on the Company's web site. The Company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel's products are not authorized for use as critical components in life support devices or systems. (c)2007 Atmel Corporation. All rights reserved. Atmel(R) and combinations thereof are the registered trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be the trademarks of others. Printed on recycled paper. 7726A-AERO-07/07 /xM |
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