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| ST1G3234 1-BIT DUAL SUPPLY BUS BUFFER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR I I I I I I I I I I I HIGH SPEED: tPD = 4.4ns (MAX.) at TA=85C VCCB = 1.65V; VCCA = 3.0V LOW POWER DISSIPATION: ICCA = ICCB = 5A(MAX.) at TA=85C SYMMETRICAL OUTPUT IMPEDANCE: |IOHA| = IOLA = 10mA MIN at VCCA = 2.75V; VCCB = 1.4V to 3.6V |IOHA| = IOLA = 6mA MIN at VCCA = 2.3V; VCCB = 1.4 to 3.6V) BALANCED PROPAGATION DELAYS: tPLH tPHL POWER DOWN PROTECTION ON INPUTS AND OUTPUTS 26 SERIES RESISTOR ON A SIDE OUTPUTS OPERATING VOLTAGE RANGE: VCCA(OPR) = 1.4V to 3.6V (1.2V Data Retent) VCCB(OPR) = 1.4V to 3.6V (1.2V Data Retent) MAX DATA RATES: 380 Mbps (1.8V to 3.3V translation) 260 Mbps (<1.8V to 3.3V translation) 260 Mbps (Translate to 2.5V) 210 Mbps (Translate to 1.5V) LATCH-UP PERFORMANCE EXCEEDS 500mA (JESD 17) ESD PERFORMANCE: HBM > 2000V (MIL STD 883 method 3015); MM > 200V ROHS Compliant for FLIPCHIP Package FLIP-CHIP Table 1: Order Codes PACKAGE FLIP-CHIP5 T&R ST1G3234BJR Comments 4000 parts per reel All inputs are equipped with protection circuits against static discharge, giving them ESD immunity and transient excess voltage. Figure 1: Logic Diagram DESCRIPTION The ST1G3234 is a dual supply low voltage CMOS 1-BIT BUS BUFFER level translator fabricated with sub-micron silicon gate and five-layer metal wiring C2MOS technology. Designed for use as an interface between a 3.3V bus and a 2.5V or 1.8V bus in a mixed 3.3V/1.8V, 3.3V/2.5V, 1.8V/1.4V and 2.5V/1.8V supply systems, it achieves high speed operation while maintaining the CMOS low power dissipation. This IC is intended for one-way asynchronous communication between data buses. The input and output power down protections disable the device when both power supply are down, so that the buses are effectively isolated. The input tolerant buffers allow to translate VCCB compatible signals and greater signals than VCCB up/down to VCCA. May 2005 Rev. 5 1/11 ST1G3234 Figure 2: Input And Output Equivalent Circuit Table 2: Pin Description PIN A1 C1 B2 A3 C3 SYMBOL A1 B1 GND VCCA VCCB NAME AND FUNCTION Data Output (VCCA referred) Data Input (VCCB referred) Ground (0V) Positive Supply Voltage Positive Supply Voltage Figure 3: Pin Connection (Top through view) Table 3: Truth Table INPUTS B1 (VCCB Referred) L H OUTPUTS A1 (VCCA Referred) L H 2/11 ST1G3234 Table 4: Absolute Maximum Ratings Symbol VCCA VCCB VOA VIB VOA VIB IIK IOK IOA ICCA ICCB Pd Tstg TL Output Supply Voltage Input Supply Voltage DC Output Voltage (Power Down Mode: VCCA=VCCB=Gnd) DC Input Voltage (Power Down Mode: VCCA=VCCB=Gnd) DC Output Voltage DC Input Voltage DC Input Diode Current DC Output Diode Current DC Output Current DC VCCA or Ground Current DC VCCB or Ground Current Power Dissipation Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +4.6 -0.5 to +4.6 -0.5 to +4.6 -0.5 to +4.6 -0.5 to VCCA + 0.5 -0.5 to +4.6 - 20 - 50 50 100 100 200 -65 to +150 260 Unit V V V V V V mA mA mA mA mA mW C C Absolute Maximum Ratings are those value beyond which damage to the device may occur. Functional operation under these conditions is not implied Table 5: Recommended Operating Conditions Symbol VCCA VCCB VIB VOA Top dt/dv Supply Voltage Supply Voltage Input Voltage (B1) Output Voltage (A1) Operating Temperature Input Rise and Fall Time (note 1) VCCB = 3.0 to 3.6V VCCB = 2.3 to 2.7V VCCB = 1.4 to 1.95V 1) VI from 0.8V to 2.0V at VCC = 3.0V Parameter Value 1.4 to 3.6 1.4 to 3.6 0 to VCCB 0 to VCCA -40 to 85 0 to 10 0 to 20 0 to 100 Unit V V V V C ns/V ns/V ns/V 3/11 ST1G3234 Table 6: DC Specification Test Condition Symbol Parameter VCCB VCCA (V)(*) (V)(*) 1.4 1.8 2.5 3.3 1.4 1.8 2.5 3.3 VOHA High Level Output Voltage 1.4 to 3.6V 1.4 to 3.6V TA = 25 C Min. 0.65VCCB 0.65VCCB 1.6 2.0 0.35VCCB 1.4 to 3.6V 1.4 2.75 2.3 1.65 1.4 VOLA Low Level Output Voltage 1.4 to 3.6V 1.4 2.75 2.75 2.3 1.65 1.4 IIB IOFF ICCtB Input Leakage Current Power Off Leakage Current Quiescent Supply Current Quiescent Supply Current 2.7 1.4 0 3.6 2.7 0 IO=-100A IO=-10mA IO=-8mA IO=-6mA IO=-2mA IO=100A IO=1mA IO=10mA IO=6mA IO=2mA IO=1mA VIB =VCCB or GND VIB =3.6V or GND VIB=GND to 3.6V VOA=GND to 3.6V 1.2 2.2 1.8 1.4 1.1 0.20 0.40 0.55 0.40 0.25 0.20 0.5 0.5 1.0 0.5 0.35VCCB 0.7 0.8 1.2 2.2 1.8 1.4 1.1 0.20 0.40 0.55 0.40 0.25 0.20 5 5 10 5 A A A A V V Typ. Max. Value -40 to 85 C Min. 0.65VCCB 0.65VCCB 1.6 2.0 0.35VCCB 0.35VCCB 0.7 0.8 V V Max. Unit VIHB High Level Input Voltage VILB Low Level Input Voltage 1.4 1.4 V =V IB CCB or GND to to 3.6V 3.6V 1.4 1.4 V =V IB CCB or GND to to 3.6V 3.6V ICCtA 0.5 5 A (*) VCC range = 3.30.3; 2.50.2V; 1.80.15V 4/11 ST1G3234 Table 7: AC Electrical Characteristics Test Condition Symbol Parameter VCCB (V) 2.3 to 3.6 1.4 to 1.95 2.3 to 3.6 1.4 to 1.95 1.4 to 1.95 1.4 to 1.95 2.3 to 2.7 2.3 to 3.6 1.4 to 1.95 2.3 to 3.6 1.4 to 1.95 1.4 to 1.95 1.4 to 1.95 2.3 to 2.7 VCCA (V) 1.4 1.4 1.65 to 1.95 1.65 to 1.95 2.3 to 2.7 3.0 to 3.6 3.0 to 3.6 1.4 1.4 1.65 to 1.95 1.65 to 1.95 2.3 to 2.7 3.0 to 3.6 3.0 to 3.6 Value -40 to 85 C Min. 2.0 2.0 2.0 2.0 2.0 2.0 1.0 2.0 2.0 2.0 2.0 2.0 2.0 1.0 Max. 5.0 5.0 4.5 4.8 3.5 3.5 3.0 5.5 5.5 5.0 5.2 4.0 4.0 3.5 Unit tPLH tPHL Propagation Delay Time B1 to A1 CL = 10 pF ns tPLH tPHL Propagation Delay Time B1 to A1 CL = 30 pF RL = 500 ns Table 8: Capacitance Characteristics Test Condition Symbol Parameter VCCB VCCA (V) (V) open 2.5 2.5 1.8 1.4 1.4 3.3 open 3.3 3.3 3.3 2.5 1.8 1.8 f=10MHz Value TA = 25 C Min. Typ. 5 6 27 27 23 20 27 Max. -40 to 85 C Min. Max. pF pF Unit CINB CO CPD Input Capacitance Output Capacitance Power Dissipation Capacitance pF 1) CPD is defined as the value of the IC's internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/4 (per circuit) 5/11 ST1G3234 Figure 4: Test Circuit TEST tPLH, tPHL CL = 10/30pF or equivalent (includes jig and probe capacitance) RL = R1 = 500 or equivalent RT = ZOUT of pulse generator (typically 50) SWITCH Open Table 9: Waveform Symbol Value Symbol 3.0 to 3.6V VIH VM VX VY VCC 1.5V VOL +0.3V VOL -0.3V VCC 2.3 to 2.7V VCC VCC/2 VOL +0.15V VOL -0.15V 1.65 to 1.95V VCC VCC/2 VOL +0.15V VOL -0.15V Figure 5: Waveform - Propagation Delay (f=1MHz; 50% duty cycle) 6/11 ST1G3234 Figure 6: Marking X = Marking Area; Marking Code 9537 7/11 ST1G3234 Flip-Chip 5 MECHANICAL DATA mm. DIM. MIN. A A1 a2 b D D1 E E1 eD eE fD fE ccc 0.383 0.20 0.97 0.265 1.31 0.585 0.21 TYP 0.65 0.25 0.40 0.315 1.36 0.866 1.02 0.5 0.433 0.25 0.247 0.260 0.080 0.483 0.30 15.1 7.9 1.07 38.2 0.365 1.41 10.4 51.6 MAX. 0.715 0.29 MIN. 23.0 8.3 TYP. 25.6 9.8 15.7 12.4 53.5 34.1 40.2 19.7 17.0 9.8 9.7 10.2 3.1 19.0 11.8 42.1 14.4 55.5 MAX. 28.1 11.4 mils 7224716F 8/11 ST1G3234 Tape & Reel Flip-Chip 5 MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 1.60 1.27 0.76 3.9 3.9 1.65 1.32 0.81 4 4 12.8 20.2 49 50 51 12.4 1.70 1.37 0.86 4.1 4.1 0.063 0.050 0.030 0.153 0.153 0.065 0.052 0.032 0.157 0.157 TYP MAX. 178 13.2 0.504 0.795 1.929 1.969 2.008 0.488 0.067 0.054 0.034 0.161 0.161 MIN. TYP. MAX. 6.926 0.519 inch 9/11 ST1G3234 Table 10: Revision History Date 14-Oct-2004 20-Dec-2004 11-Feb-2005 30-Mar-2005 09-May-2005 Revision 1 2 3 4 5 Description of Changes First Release. Revision on Table 3. Add Tape & Reel, Figures 2, 3, 5, 6, Tables 3, 5, 7 and Mechanical Data has been modified. Add Features ==> Max Data Rates. Table 7 and Table 8 have been updated.. 10/11 ST1G3234 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners (c) 2005 STMicroelectronics - All Rights Reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 11/11 |
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