ST4G3235BJR

ST4G3235 4-bit dual supply bus buffer level translator with a side series resistor Features ■ High speed: tPD = 4.3ns (Max.) at TA = 85°C VCCB = 1.65V; VCCA = 3.0V ■ Low power dissipation: ICCA = ICCB = 5µA(Max.) at TA=85°C ■ Symmetrical output impedance: |IOHA| = IOLA = 10mA Min at VCCA = 2.75V; VCCB = 1.4V to 3.6V |IOHB| = IOLB = 4mA Min at VCCB = 1.65V; VCCA = 1.4 to 3.6V) ) s ( ct u d o Flip-Chip11 r P Descriptione t e l o s b -O ■ Balanced propagation delays: tPLH ≅ tPHL ■ Power down protection on inputs and outputs ■ 26Ω series resistor on a side outputs ■ Operating voltage range: VCCA(Opr) = 1.4V to 3.6V VCCB(Opr) = 1.4V to 3.6V ■ Max data rates: 380Mbps (1.8V to 3.3V translation) 260Mbps ( 2000V (MIL STD 883 method 3015); MM > 200V bs O ■ ROHS compliant for Flip-Chip package The ST4G3235 is a dual supply low voltage CMOS 4-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 and viceversa. All inputs are equipped with protection circuits against static discharge, giving them ESD immunity and transient excess voltage. Table 1. Device summary June 2007 Part number Package Packaging ST4G3235BJR Flip-Chip11 4000 parts per reel Rev 7 1/21 www.st.com 21 Contents ST4G3235 Contents 1 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 ) s ( ct Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 u d o 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 r P e t e l o ) (s t c u d o r P e t e l o s b O 2/21 s b O ST4G3235 Pin settings 1 Pin settings 1.1 Pin connection Figure 1. Pin connection (top through view) ) s ( ct u d o r P e 1.2 t e l o Pin description ) (s Table 2. Pin description Pin N° ct A3 Data input (VCCA referred) A5 A2 Data output (VCCA referred) A7 A1 Data output (VCCA referred) C1 B4 Data output (VCCB referred) C3 B3 Data output (VCCB referred) C5 B2 Data input (VCCB referred) C7 B1 Data input (VCCB referred) B2 GND Ground (0V) B6 VCCA Positive supply voltage B4 VCCB Positivsoltage du b O Name and function Data input (VCCA referred) A3 so Symbol A4 A1 e t e l s b O o r P 3/21 Device summary 2 ST4G3235 Device summary Figure 2. Input equivalent circuit ) s ( ct Figure 3. u d o r P e Logic diagram t e l o ) (s s b O t c u d o r P e t e l o Table 3. Truth table s b O Inputs Bn (VCCB Referred) Outputs An (VCCA Referred) L L H H Inputs An (VCCB Referred) Outputs Bn (VCCA Referred) L L H H n = 1..2 n = 3..4 4/21 ST4G3235 3 Maximum rating Maximum rating Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 4. Absolute maximum ratings Symbol VCCA Output supply voltage VCCB Input supply voltage VI DC Input Voltage (Power down mode: VCCA=VCCB=Gnd) ct u d o -0.5 to +4.6 r P e V V V V -0.5 to VCCA + 0.5 V -0.5 to VCCA + 0.5 V -0.5 to +4.6 V -0.5 to +4.6 V − 20 mA − 50 mA ± 50 mA DC VCCA or ground current ± 100 mA DC VCCB or ground current ± 100 mA 400 mW -65 to +150 °C 260 °C DC output voltage (A1, A2 Outputs) VOB DC output voltage (B3, B4 Outputs) VIA DC input voltage (A3, A4 Inputs) VIB DC input voltage (B1, B2 Inputs) IIK DC input diode Current IOK DC output diode current IOA DC output current uc od Pr )- t(s Pd Power dissipation Tstg Storage temperature TL (s) -0.5 to +4.6 VOA e t e ol Unit -0.5 to VCCA + 0.5 DC output voltage (Power down mode: VCCA=VCCB=Gnd) ICCB Value -0.5 to +4.6 VO ICCA s b O Parameter Lead temperature (10 sec) s b O t e l o 5/21 Maximum rating 3.1 ST4G3235 Recommended operating conditions Table 5. Recommended operating conditions Symbol Parameter Supply voltage 1.4 to 3.6 V VCCB Supply voltage 1.4 to 3.6 V VIB Input voltage (B1, B2) 0 to VCCB V VIA Input voltage (A3, A4) 0 to VCCA V VOB Output voltage (B3, B4) 0 to VCCB V VOA Output voltage (A1, A2) 0 to VCCA Top Operating temperature -40 to 85 dt/dv Input rise and fall time (1) e t e ol 1. VI from 0.8V to 2.0V at VCC = 3.0V ) (s t c u d o r P e t e l o s b O ) s ( t uc od Pr VCCB = 2.3 to 2.7V VCCB = 1.4 to 1.95V 6/21 Unit VCCA VCCB = 3.0 to 3.6V s b O Value V °C 0 to 10 ns/V 0 to 20 ns/V 0 to 100 ns/V ST4G3235 4 Electrical characteristics Electrical characteristics Table 6. DC Specification for VCCA Test condition Symbol Parameter High level input voltage (A3-A4) VIHA TA = 25 °C VCCA (V)(1) (V)(1) Min. 1.4 0.65VCCA 0.65VCCA 1.8 0.65VCCA 0.65VCCA 2.5 1.6 1.6 3.3 2.0 2.0 1.4 to 3.6V Typ. High level 1.4 to output voltage 3.6V (A1-A2) 0.35VCCA 1.8 0.35VCCA 2.5 0.7 e t e l IO=-100µA 1.2 2.75 IO=-0.4mA 2.5 2.75 IO=-10mA ) s ( ct du 0.35VCCA o r P 0.35VCCA V 0.7 0.8 1.2 2.5 -O 2.2 2.2 V 1.8 1.65 IO=-2mA 1.4 1.4 1.4 IO=-1mA 1.1 1.1 1.4 IO=100µA 0.20 0.20 2.75 IO=1mA 0.40 0.40 2.75 IO=10mA 0.55 0.55 2.3 IO=6mA 0.40 0.40 1.65 IO=2mA 0.25 0.25 1.4 IO=1mA 0.20 0.20 2.7 3.6 VIA=VCCA or GND ± 0.5 ±5 µA 1.4 2.7 VIA=3.6V or GND ± 0.5 ±5 µA du Low level 1.4 to output voltage 3.6V (A1-A2) O IIA o s b 1.4 ) s ( ct V 1.8 P e Input leakage current (A3-A4) 0.8 Max. IO=-6mA let o s b Min. Unit 2.3 ro VOLA Max. 1.4 3.3 VOHA -40 to 85 °C VCCB 1.4 to 3.6V Low level input voltage (A3-A4) VILA Value V 7/21 Electrical characteristics ST4G3235 Table 6. DC Specification for VCCA Test condition Symbol Parameter VCCB VCCA (1) (1) (V) Power off leakage current IOFF ∆ICCtA Maximum quiescent supply current / Input (An) TA = 25 °C Min. ± 1.0 1.4 to 3.6V VIA =VCCA or GND VIB =VCCB or GND 0.5 2.7 3.6 1.95 3.6 2.7 VIA =VCCA - 0.6V VIA =VCCA or GND VIB =VCCB or GND 1. VCC range = 3.3±0.3; 2.5±0.2V; 1.8±0.15V ) (s t c u d o r t e l o s b O 8/21 Max. 0 1.95 P e Typ. -40 to 85 °C VIB=GND to 3.6V VOA=GND to 3.6V VIA=GND to 3.6V VOB=GND to 3.6V 0 Quiescent 1.4 to supply current 3.6V ICCtA (V) Value s b O e t e ol Min. Unit Max. ± 10 µA ) s ( ct du 5 µA 0.75 mA o r P ST4G3235 Electrical characteristics Table 7. DC Specification for VCCB Test condition Symbol Parameter VCCB VCCA (1) (1) (V) (V) Value TA = 25 °C Min. 1.4 VIHB High level input voltage (B1-B2) 1.8 2.5 1.4 to 3.6V 3.3 Typ. VILB 1.8 0.65VCCB 0.65VCCB 1.6 1.6 2.0 2.0 VOHB IO=-100µA 1.3 1.8 IO=-100µA 1.6 2.75 IO=-24mA 2.2 IO=-18mA 1.7 1.4 to 3.6V 2.75 0.35VCCB 1.4 du e t e l O IIB Input leakage current (B1B2) 1.44 IO=-4mA 1.5 1.5 IO=-2mA 1.25 1.25 V 0.1 IO=100µA 0.2 0.2 IO=24mA 0.55 0.55 IO=18mA 0.35 0.35 2.3 IO=4mA 0.39 0.39 1.65 IO=4mA 0.20 0.20 1.4 IO=2mA 0.15 0.15 o r P o s b 2.2 0.1 1.8 VOLB 1.6 IO=100µA 1.4 Low level output voltage (B3B4) 0.8 1.3 1.44 ) s ( ct 1.65 2.75 2.75 1.4 to 3.6V V 0.7 1.7 -O IO=-4mA 2.3 u d o r P e let o s b ) s ( ct 0.35VCCB 0.8 1.4 V 0.35VCCB 0.7 Unit Max. 0.35VCCB 3.3 High level output voltage (B3B4) Min. 0.65VCCB 1.4 to 3.6V 2.5 Max. 0.65VCCB 1.4 Low level input voltage (B1-B2) -40 to 85 °C V 2.7 3.6 VIB=VCCB or GND ± 0.5 ±5 µA 1.4 2.7 VIB=3.6V or GND ± 0.5 ±5 µA 9/21 Electrical characteristics ST4G3235 Table 7. DC Specification for VCCB Test condition Symbol Parameter VCCB VCCA (1) (1) (V) IOFF Power off leakage current ICCtB Quiescent supply current ∆ICCtB Maximum quiescent supply current / Input (Bn) (V) TA = 25 °C Min. ± 1.0 1.4 to 3.6V 1.4 to 3.6V VIA =VCCA or GND VIB =VCCB or GND 0.5 2.7 3.6 1.95 3.6 1.95 2.7 d o r P e 10/21 Max. 0 0 VIB =VCCB 0.6V VIB =VCCB or GND VIB =VCCA or GND ) (s t c u s b O Typ. -40 to 85 °C VIB=GND to 3.6V VOA=GND to 3.6V VIA=GND to 3.6V VOB=GND to 3.6V 1. VCC range = 3.3±0.3; 2.5±0.2V; 1.8±0.15V t e l o Value s b O e t e ol Min. Unit Max. ± 10 µA ) s ( ct du 5 µA 0.75 mA o r P ST4G3235 Electrical characteristics Table 8. Dynamic switching characteristics Test condition Symbol VOLPA VOLVA VOHVA VOLPB VOLVB Parameter Dynamic low level Quiet An Output Dynamic low level Quiet An Output Dynamic high level Quiet An Output VCCA (V) 1.4 1.8 0.2 1.4-1.8 2.5 0.25 1.8-2.5 3.3 0.35 1.4 1.8 1.4-1.8 2.5 1.8-2.5 3.3 1.4 1.8 1.6 1.4-1.8 2.5 2.1 1.8-2.5 3.3 1.4 1.8-2.5 1.8 2.5-3.3 2.5 3.3 1.4 1.8-2.5 1.8 2.5-3.3 Dynamic low level Quiet Bn Output ) (s 2.5 t c u 1.4 VOHVB od r P e TA = 25 °C VCCB (V) Dynamic low level Quiet Bn Output Dynamic high level Quiet Bn Output Value 1.8 2.5 3.3 Min. Typ. -40 to 85 °C Max. Max. V -0.2 CL = 30pF VILB = 0V VIHB = VCCB ) s ( ct -0.25 V -0.35 u d o r P e 2.7 t e l o s b O CL = 30pF VILA = 0V VIHA = VCCA Min. Unit V 0.2 0.25 V 0.6 -0.2 -0.25 V -0.36 1.8-2.5 1.2 2.5-3.3 1.4 3.3 1.9 V t e l o s b O 11/21 Electrical characteristics ST4G3235 Table 9. AC electrical characteristics Test condition Symbol tPLH tPHL Parameter tPLH tPHL Propagation delay time Bn to An Propagation delay time Bn to An VCCB (V) VCCA (V) 2.3 to 3.6 tPLH tPHL Propagation delay time An to Bn u d o e t e l o s b O tPLH tPHL Pr Propagation delay time An to Bn tOSLH tOSHL Output to output skew time (note1, 2) Note: 12/21 -40 to 85 °C Unit Min. Max. 1.4 2.0 6.5 1.4 to 1.95 1.4 2.0 6.8 2.3 to 3.6 1.65 to 1.95 2.0 5.2 1.4 to 1.95 1.65 to 1.95 CL = 10 pF 2.0 5.6 1.4 to 1.95 2.3 to 2.7 2.0 4.6 1.4 to 1.95 3.0 to 3.6 2.0 4.3 2.3 to 2.7 3.0 to 3.6 1.0 3.6 2.3 to 3.6 1.4 2.0 7.5 1.4 to 1.95 1.4 2.0 7.5 2.3 to 3.6 1.65 to 1.95 2.0 6.5 2.0 6.7 2.0 5.9 e t e l u d o Pr 1.4 to 1.95 3.0 to 3.6 2.0 5.7 2.3 to 2.7 3.0 to 3.6 1.0 4.9 2.3 to 3.6 1.4 2.0 5.5 1.4 to 1.95 1.4 2.0 6.0 2.3 to 3.6 1.65 to 1.95 2.0 5.0 1.4 to 1.95 1.65 to 1.95 CL = 10 pF 2.0 5.0 1.4 to 1.95 2.3 to 2.7 2.0 4.6 1.4 to 1.95 3.0 to 3.6 2.0 3.9 2.3 to 2.7 3.0 to 3.6 1.0 3.0 2.3 to 3.6 1.4 2.0 7.0 1.4 to 1.95 1.4 2.0 7.5 2.3 to 3.6 1.65 to 1.95 2.0 6.0 -O CL = 30 pF 1.4 to 1.95 1.65 to 1.95 RL = 500 Ω 1.4 to 1.95 2.3 to 2.7 2.0 6.0 2.0 5.6 1.4 to 1.95 3.0 to 3.6 2.0 4.6 2.3 to 2.7 3.0 to 3.6 1.0 4.0 1.8 ± 0.15 2.5 ± 0.2 1.8 ± 0.15 3.3 ± 0.3 2.5 ± 0.2 3.3 ± 0.3 ns ) s ( ct CL = 30 pF 1.4 to 1.95 1.65 to 1.95 RL = 500 Ω 1.4 to 1.95 2.3 to 2.7 o s b ) s ( ct Value ns ns ns 0.5 CL = 30 pF RL = 500 Ω 0.5 ns 0.75 1 Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switching in the same direction, either HIGH or LOW (tOSLH = | tPLHm - tPLHn|, tOSHL = | tPHLm - tPHLn| 2 Parameter guaranteed by design ST4G3235 Electrical characteristics Table 10. Capacitance characteristics Test condition Symbol Parameter CIN Input capacitance CO Output capacitance CPD 1 VCCA (V) open open TA = 25 °C -40 to 85 °C Unit Min. Typ. Max. Min. 1.8-2.5 2.5-3.3 Power dissipation capacitance Note: VCCB (V) Value 6 pF 9 pF 2.5 3.3 50 1.8 3.3 28 1.4 2.5 1.4 1.8 15 3.3 1.8 28 f=10MHz Max. (s) 22 pF t c u d o r 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) P e t e l o ) (s s b O t c u d o r P e t e l o s b O 13/21 Test circuit 5 ST4G3235 Test circuit Figure 4. Test circuit ) s ( ct u d o r P e Table 11. Test circuit Test tPLH, tPHL ) (s t e l o s b O CL = 10/30pF or equivalent (includes jig and probe capacitance) t c u RL = R1 = 500Ω or equivalent RT = ZOUT of pulse generator (typically 50Ω) d o r P e t e l o s b O 14/21 Switch Open ST4G3235 6 Waveforms Waveforms Table 12. Waveform symbol value VCC Symbol 3.0 to 3.6V 2.3 to 2.7V 1.65 to 1.95V VIH VCC VCC VCC VM 1.5V VCC/2 VCC/2 VX VOL +0.3V VOL +0.15V VOL +0.15V VY VOL -0.3V VOL -0.15V VOL -0.15V ) s ( ct u d o Figure 5. Waveform - propagation delay (f=1MHz; 50% duty cycle) r P e t e l o ) (s s b O t c u d o r P e t e l o s b O 15/21 Package mechanical data 7 ST4G3235 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com ) s ( ct u d o r P e t e l o ) (s t c u d o r P e t e l o s b O 16/21 s b O ST4G3235 Package mechanical data Figure 6. Note: Marking E = Eco Level; Y = Assy Year; WW = Assy Week; X = Marking Area; Marking Code 9521 ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O 17/21 Package mechanical data ST4G3235 Table 13. Flip-Chip11 Mechical data mm Dim. Min Typ Max Min Typ Max A 0.585 0.65 0.715 23.0 25.6 28.1 A1 0.21 0.25 0.29 8.3 9.8 11.4 A2 0.40 0.265 0.315 0.365 10.4 12.4 14.4 D 1.99 2.04 2.09 78.3 80.3 82.3 1.5 E 1.36 1.41 E1 1.46 53.5 55.5 0.2 0.25 0.30 7.9 eE 0.383 0.433 0.483 15.1 fD 0.270 fE 0.272 ccc 0.080 Package dimension t c u d o r P e 9.8 du 17.0 ro 10.6 P e s b O t e l o 10.7 3.1 57.5 ) s ( ct 34.1 eD ) (s 18/21 59.1 0.866 Figure 7. s b O 15.7 b D1 t e l o inch 11.8 19.0 ST4G3235 Package mechanical data Table 14. Flip-Chip11 tape and reel information mm. inch Dim. Min Typ A Max Min Typ 178 Max C 12.8 D 20.2 N 49 13.2 6.926 0.504 0.519 0.795 50 T 51 1.929 1.969 12.4 2.008 0.488 Ao 2.29 2.34 2.39 0.090 0.092 Bo 1.65 1.70 1.75 0.065 0.067 Ko 0.76 0.81 0.86 0.030 0.032 Po 3.9 4 4.1 0.153 0.157 P 3.9 4 4.1 0.153 Figure 8. Reel dimensions ) (s e t e ol 0.094 o r P du ) s ( ct 0.157 0.069 0.034 0.161 0.161 s b O t c u d o r P e t e l o s b O 19/21 Revision history 8 ST4G3235 Revision history Table 15. Revision history Date Revision Changes 14-Oct-2004 1 First release. 26-Oct-2004 2 Mechanical Data has been updated. 11-Feb-2005 3 Add Tape & Reel and Figure 6. 18-Feb-2005 4 Table 1 has been updated from 4000 to 5000 parts per Reel. 30-Mar-2005 5 Add Features ==> Max Data Rates. 09-May-2005 6 Table 9 and Table 10 have been updated. 14-Jun-2007 7 Document reformatted, typo Figure 2 on page 3 u d o r P e t e l o ) (s t c u d o r P e t e l o s b O 20/21 ) s ( ct s b O ST4G3235 ) s ( ct Please Read Carefully: u d o Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. r P e All ST products are sold pursuant to ST’s terms and conditions of sale. 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