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| ST1G3236 1-bit dual supply bus transceiver level translator with A-side series resistor Features High speed: tPD = 4.0ns (Max.) at TA = 85C Low power dissipation: ICCA = ICCB = 5A(Max.) at TA = 85C Balanced propagation delays: tPLH tPHL Power-down protection on inputs and outputs 26 series resistor on A-side outputs Operating voltage range: - VCCA(Opr) = 1.2V to 3.6V - VCCB(Opr) = 1.2V to VCCA Latch-up performance exceeds 100mA per JESD 78, Class II ESD performance exceeds JESD22 - 2000-V Human-body model (A114-A) DFN6L Description The ST1G3236 is a dual supply low voltage CMOS 1-bit bus Transceiver fabricated with submicron 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 1.2V bus in mixed supply systems of 3.3V/1.2V, 3.3V/2.5V and 2.5V/1.8V, the ST1G3236 achieves high speed operation while maintaining low power dissipation. VCCA and VCCB can be powered from 1.2V to 3.6V respectively. The DIR pin is designed to track VCCB. The device is intended for two-way asynchronous communication between data buses and the direction of data transmission is determined by DIR inputs. All inputs are equipped with protection circuits against static discharge, giving them 2kV ESD immunity and transient excess voltage. Table 1. Device summary Order code ST1G3236DTR Package DFN6L (1.2x1mm) Packaging Tape and Reel July 2007 Rev 1 1/19 www.st.com 19 Contents ST1G3236 Contents 1 Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 1.2 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 3 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 5 6 7 8 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2/19 ST1G3236 Device summary 1 1.1 Device summary Pin settings Figure 1. Logic diagram GND DIR B1 A1 VCCB VCCA CS000101 Figure 2. Pin connection (top through view) V CCA 1 2 3 6 5 4 V CCB GND A1 DIR B1 DFN6L 1.2 Pin description Table 1. Pin description Pin N 1 2 3 4 5 6 Symbol VCCA GND A1 B1 DIR VCCB Name and function Positive supply voltage Ground (0V) Data Inputs/Outputs Data Inputs/Outputs Directional controls Positive supply voltage 3/19 Pin connection ST1G3236 2 Pin connection Figure 3. Input and output equivalent circuit VCCB / VCCA Overvolt. control Control Inputs An/Bn R S = (0 / 26) ESD protection GND GND GND ESD protection GND GND GND Bn/An CS157401 Table 2. Truth table Function Dir input Bus A L H Output Input Bus B Input Output 4/19 ST1G3236 Maximum rating 3 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 3. Symbol VCCA VCCB VI VI/OA VI/OB IIK IOK IOA IOB ICCA ICCB Pd Tstg TL Output supply voltage Input supply voltage DC input voltage DC output voltage DC output voltage DC input diode current DC output diode current DC output current DC output current DC VCCA or ground current DC VCCB or ground current Power dissipation Storage temperature Lead temperature (10 sec) Absolute maximum ratings Parameter Value -0.5 to 4.6 -0.5 to + 4.6 -0.5 to +4.6 -0.5 to VCCA + 0.5 -0.5 to VCCB + 0.5 -20 -50 50 50 100 100 200 -65 to +150 260 Unit V V V V V mA mA mA mA mA mA mW C C 3.1 Recommended operating conditions Table 4. Symbol VCCA VCCB(1) Supply voltage Supply voltage Recommended operating conditions Parameter Value 1.2 to 3.6 1.2 to VCCA Unit V V 5/19 Maximum rating Table 4. Symbol VI VI/OA VI/OB Top dt/dv(2) Input voltage (DIR) I/O voltage I/O voltage Operating temperature VCCB = 3.0 to 3.6V Input Rise and Fall Time VCCB = 2.3 to 2.7V VCCB = 1.2 to 1.95V 1. VCCB must be lower than VCCA 2. VIN from 0.8V to 2.0V at VCC = 3.0V ST1G3236 Recommended operating conditions Parameter Value 0 to VCCB 0 to VCCA 0 to VCCB -40 to 85 0 to 10 0 to 20 0 to 100 Unit V V V C ns/V ns/V ns/V 6/19 ST1G3236 Electrical characteristics 4 Electrical characteristics Table 5. DC specification for VCCA Test condition Symbol Parameter VCCB (V) VCCA (V) 1.2 to 1.95 VIHA High level input voltage (A1) 1.2 to VCCA 1.95 to 2.7 2.7 to 3.6 1.2 to 1.95 VILA Low level input voltage (A1) 1.2 to VCCA 1.95 to 2.7 2.7 to 3.6 1.2 to I =-100A VCCA- 0.2 3.6V O 3.0 VOHA High level output voltage 1.2 to VCCA 2.3 1.65 1.4 1.2 IO=-10mA IO=-6mA IO=-4mA IO=-2mA IO=-1mA 2.5 1.8 1.25 1.1 0.95 0.2 0.55 0.40 0.40 0.30 0.25 0.5 0.5 TA = 25 C Min 0.65 VCCA 1.6 2 0.35VCCA 0.7 0.8 VCCA0.2 2.5 1.8 1.25 1.1 0.95 0.2 0.55 0.40 0.40 0.30 0.25 5 5 A A V V Max Value -40 to 85 C Min 0.65 VCCA 1.6 2 0.35 VCCA 0.8 0.8 V V Max Unit 1.2 to I =-100A 3.6V O 3.0 VOLA Low level output voltage 1.2 to VCCA 2.3 1.65 1.4 1.2 Input leakage current 2.7 1.4 3.3 2.7 IO=-10mA IO=-6mA IO=-4mA IO=-2mA IO=-1mA VI =VCCA or GND VIA =3.6V or GND IIA 7/19 Electrical characteristics Table 5. DC specification for VCCA (continued) Test condition Symbol Parameter VCCB (V) VCCA (V) VIA=GND to 3.6V VIB=GND to 3.6V DIR=GND to 3.6V VIA=VCCA or GND VIB=VCCB or GND DIR =A to B TA = 25 C Min Max Value ST1G3236 -40 to 85 C Min Max Unit IOFF Power OFF leakage current 0 0 1.0 10 A 1.2V ICCtA Quiescent supply current 1.2 to 3.6V 0.5 5 1.2 to 3.6V 2.7V 1.8 1.8 A 3.6 ICCtA Maximum quiescent supply current/input 3.3V VIA =VCCA to 0.6V 3.3 VIB =VCCB 2.7 or GND 0.75 A Table 6. DC specification for VCCB Test condition Value TA = 25 C Min 0.65 VCCB 1.2 1.6 2 0.35 VCCB 0.6 0.7 1.0 Max -40 to 85 C Min 0.65 VCCB 1.2 1.6 2 0.35 VCCB 0.6 0.7 1.0 V V Max Unit Symbol Parameter VCCB (V) 1.2 VCCA (V) VIHB High level input voltage (A1) 1.8 2.5 3.3 1.2 VCCB to 3.6V VILB Low level input voltage (B1, DIR) 1.8 2.5 3.3 VCCB to 3.6V 8/19 ST1G3236 Table 6. DC specification for VCCB (continued) Test condition Symbol Parameter VCCB (V) 1.2 to 3.6V 3.0 VOHB High level output voltage 2.3 1.65 1.4 1.2 1.2 to 3.6V 3.0 VOLB Low level output voltage 2.3 1.65 1.4 1.2 2.7 IIB Input leakage current 1.4 2.7 3.3 VCCA (V) IO=100A IO=10mA VCCB to IO=-6mA 3.6V IO=-4mA IO=-2mA IO=-1mA IO=100A IO=10mA VCCB to IO=-6mA 3.6V IO=-4mA IO=-2mA IO=-1mA VIB =VCC or GND VIB =3.6V or GND TA = 25 C Min Electrical characteristics Value -40 to 85 C Min Max VCCB -0.2 2.5 1.8 1.25 1.1 0.95 0.2 0.55 0.40 0.40 0.30 0.25 5 A V V Unit Max VCCB0.2 2.5 1.8 1.25 1.1 0.95 0.2 0.55 0.40 0.40 0.30 0.25 0.5 0.5 5 A ICCtB Quiescent supply current 1.2 to VCCA VIA=VCC A or GND 1.2 to VIB=VCC 3.6 B or GND DIR =B to A 3.3 3.3 2.7 VIB =VCCB to 0.6V VIA =VCCB or GND - 0.5 5 A ICCtB Maximum quiescent supply current/input (B1, DIR) 2.7 1.8 1.8 - 0.75 A 9/19 Electrical characteristics ST1G3236 Table 7. AC electrical characteristics Test condition Value -40 to 85 C Min 1.0 CL = 30 pF RL = 500 1.0 1.0 1.0 CL = 10 pF 1.0 1.0 1.0 CL = 30 pF RL = 500 1.0 1.0 1.0 CL = 10 pF 1.0 1.0 6 CL = 30 pF RL = 500 6 6 6 CL = 30 pF RL = 500 6 6 ns ns Typ Max 4 3.5 2.8 ns 3.8 3.4 2.7 4.5 4 3 ns 4.5 4 3 Unit Symbol Parameter VCCB (V) 1.8 0.15 1.8 0.15 2.5 0.2 1.8 0.15 1.8 0.15 2.5 0.2 1.8 0.15 1.8 0.15 2.5 0.2 1.8 0.15 1.8 0.15 2.5 0.2 1.8 0.15 VCCA (V) 2.5 0.2 3.3 0.3 3.3 0.3 2.5 0.2 3.3 0.3 3.3 0.3 2.5 0.2 3.3 0.3 3.3 0.3 2.5 0.2 3.3 0.3 3.3 0.3 2.5 0.2 3.3 0.3 3.3 0.3 2.5 0.2 3.3 0.3 3.3 0.3 tPLH tPHL Propagation delay time An to Bn tPLH tPHL Propagation delay time Bn to An Output enable time tPZL tPZH DIR to An 1.8 0.15 2.5 0.2 1.8 0.15 Output enable time tPZL tPZH DIR to Bn 1.8 0.15 2.5 0.2 Table 8. Capacitance characteristics Test condition Value TA = 25 C Min Typ 6 6 f = 10MHz 29 29 Max -40 to 85 C Min Max pF pF pF pF Unit Symbol Parameter VCCB VCCA (V) (V) open 2.5 2.5 1.8 open 3.3 3.3 3.3 CINB CI/O CPD Input capacitance I/O capacitance Power dissipation capacitance Note: 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) 10/19 ST1G3236 Test circuit 5 Test circuit Figure 4. Test circuit VCC Pulse generator RT R1 D.U.T. 6V or 2V CC Open GND CL RL SC116901 Table 9. Test circuit Test tPLH, tPHL CL =30pF ; RL =500 Switch Open RT = ZOUT of pulse generator (typically 50) 11/19 Waveforms ST1G3236 6 Waveforms Figure 5. Waveform - propagation delay (f=1 MHz, 50% duty cycle) Table 10. Waveform symbol value VCC Symbol 3.0 to 3.6V VIH VM VX VY VCC 1.5V VOL +0.3V VOH -0.3V 2.3 to 2.7V VCC VCC/2 VOL +0.15V VOH -0.15V 1.65 to 1.95V VCC VCC/2 VOL +0.15V VOH -0.15V 12/19 ST1G3236 Figure 6. Waveforms Waveform - Output Enable and Disable timing (f=1 MHz, 50% duty cycle) 2.0ns 2.0ns V IH 90% nG V VM 10% 90% M 10% GND t PZH t PHZ V OH VY nAn nBn V M GND t PZL t PLZ 3.0V or VCC nAn nBn V M VX V OL SC132311 13/19 Package mechanical data ST1G3236 7 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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. Figure 7. DFN6 (1.2x1mm) package outline Table 11. DFN6L (1.2x1mm) mechanical data millimeters Symbol Min A A1 A3 b D E e L L1 0.30 0.40 0.15 1.15 0.95 0.45 0 Typ 0.50 0.02 0.127 0.20 1.20 1 0.40 0.35 0.45 0.40 0.50 0.25 1.25 1.05 Max 0.55 0.05 14/19 ST1G3236 Figure 8. Recommended footprint Package mechanical data Figure 9. Tape and reel information 15/19 Package mechanical data Figure 10. Reel for carrier tape information ST1G3236 16/19 ST1G3236 Figure 11. Reel for carrier tape information Package mechanical data 17/19 Revision history ST1G3236 8 Revision history Table 12. Date 25-July-2007 Revision history Revision 1 First release. Changes 18/19 ST1G3236 Please Read Carefully: 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. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. 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