2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply

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2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply

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PI74STX2G4245
2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply Voltage
Operation Voltage: 1.65V VCCA 3.6V 2.3V VCCB 5.5V VCCA VCCB High Speed: typical into 30pF Power down high-impedance inputs outputs High output drive: ±12mA VCCA/VCCB ±24mA VCCB Industrial operation -40°C +85°C Packaging (Pb-free Green available): 8-pin MSOP 12-pin TDFN (ZE)
Description
Pericom Semiconductor's PI74STX2G4245, 2-bit noninverting buffer/transceiver, contains separate supply rails:A port (VCCA), operate from 1.8V 3.3V; port (VCCB), operate from 2.5V translation configured unidirectional buffer; translation between bidirectional direction controlled pin. supplied VCCB.
Block Diagram
Configuration (MSOP)
(1.8V 3.3V)VCCA
VCCB (2.5V
Function Table
Input DATA Output
Configuration (TDFN)
(1.8V 3.3V VCCA
VCCB (2.5V
Description
Name VCCA, VCCB Description Direction Control Data Input Data Output Data Input/Output Power Supply
Connect
PS8729C
09/27/04
2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply Voltage
PI74STX2G4245
Maximum Ratings
(Absolute maximum ratings over operating free-air temperature range from VCCB 2.5V VCCA 1.2V, unless otherwise noted) Supply voltage range: VCCA. -0.5V VCCB -0.5V Input Voltage Range, Input A1(2) -0.5V A2(2,3) .-0.5V VCCA+0.5V B2(2,3) -0.5V VCCB+0.5V Output Voltage Range, Output B1(2, -0.5V VCCB +0.5V Input Diode Current, -50mA Output Diode Current, -50mA Output Current, (IOUT) ±50mA Current (ICC/IGND). ±100mA Storage temperature range, TSTG -65°C 150°C Junction Lead Temperature (IOS) .260°C Power Dissipation: MSOP 200mW
Notes: Stresses greater than those listed under MAXIMUM RATINGS cause permanent damage device. This stress rating only functional operation device these other conditions above those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect reliability. input negative voltage output voltage ratings exceeded input output current ratings observed. This value limited
Recommended Operating Conditions Port VCCA)(1)
Parameter VCCA Description Supply Voltage High-level input voltage Low-level input voltage Input Voltage Output Votage VCCA 1.65 1.95V High-level Output Current VCCA 2.3V 2.7V VCCA 3.6V VCCA 1.65V 1.95V Low-level Output Current VCCA 2.3V 2.7V VCCA 3.6V Input transition rise fall rate Operation free-air temperature VCCA 1.65V 1.95V VCCA 2.3V 3.6V VCCA 1.65V 1.95V VCCA 2.3V 3.6V VCCA 1.65 1.95V VCCA 2.3V 3.6V Test Conditions Min. 1.65 VCCA VCCA VCCA VCCA VCCA VCCA ns/V Max. Units
Note: ensure proper device operation, unused inputs must held VCCA GND.
PS8729C
09/27/04
2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply Voltage
PI74STX2G4245
Recommended Operating Conditions Port VCCB)(1)
Paramaters VCCB Description Supply Voltage High-level input voltage Low-level input voltage Input Voltage Output Votage VCCB 2.7V High-level Output Current VCCB 3.6V VCCB 4.5V 5.5V VCCB 2.3V 2.7V Low-level Output Current Input transition rise fall rate Operation free-air temperature VCCB 3.6V VCCB 4.5V 5.5V VCCB 2.3V 5.5V Data Inputs Data Inputs VCCB 2.3V 5.5V VCCB 2.3V 5.5V Test Conditions Min. VCCB VCCB VCCB VCCB Max. Units
Notes: ensure proper device operation, unused inputs must held VCCB GND.
PS8729C
09/27/04
2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply Voltage
PI74STX2G4245
Electrical Characteristics (Over recommended operating free-air temperature range)
Parameters VOHA Test Conditions -100uA -4mA -8mA -12mA 100uA VOLA 12mA -100uA VOHB -8mA -12mA -24mA 100uA VOLB II(3) IOFF ICCA ICCB 12mA 24mA VCCA/VCCB VCCB VCCA VCCA GND, VCCB GND, VCCA VCCB VCCA/VCCB 1.65V 3.6V VCCB VCCA 3.6V 1.65V 3.6V VCCB VCCA 1.8V 1.8V 1.8V 1.65V VCCA 3.6V VCCB VCCA VCCA(1) 1.65V 2.3V 3.0V 1.65V 3.6V 1.65V 2.3V 3.0V 2.3V 5.5V 2.3V 3.0V 4.5V 2.3V 5.5V 2.3V 3.0V 4.5V 2.3V 5.5V VCCB VCCA 5.5V 5.5V VCCB VCCA 3.3V 3.3V 3.3V VCCB-0.1 2.3V VCCB 5.5V VCCB VCCA VCCB(1) Min. VCCB-0.1 1.65V 3.6V
Typ.(2)
Max.
Units
0.24
0.55
Notes: When 1.65 VCCA 1.95V, VCCB greater then 3.6V Typical values ports, paraneter includes output leackage current.
PS8729C
09/27/04
2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply Voltage
PI74STX2G4245
Switching Characteristics VCCA 1.8V 0.15V
Parameter tPHL tPLH tPHL tPLH tSK(O) From (Input) (Output) Min.
(Over recommended operating free-air temperature range, figure VCCB 2.5V ±0.2V Max. VCCB 3.3V ±0.3V Min. Max. Units
Switching Characteristics VCCA 2.5V 0.2V
Parameter tPHL tPLH tPHL tPLH tSK(O) From (Input) (Output) Min.
(Over recommended operating free-air temperature range, figure VCCB 2.5V ±0.2V Max. VCCB 3.3V ±0.3V Min. Max. VCCB ±0.5V Min. Max. Units
Switching Characteristics VCCA 3.3V 0.3V
Parameter tPHL tPLH tPHL tPLH tSK(O) From (Input) (Output)
(Over recommended operating free-air temperature range, figure VCCB 3.3V ±0.3V Min. Max. VCCB ±0.5V Min. Max. Units
PS8729C
09/27/04
2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply Voltage
PI74STX2G4245
Loading Waveforms
VCCA/B 0.15V 2.5V 0.2V 3.0V 3.6V 0.5V
VCCA/B
Output
15pF 15pF 30pF 50pF
Input
tPHL
tPLH
Input
Output
Figure Waveforms
includes load stray capacitance Input MHz; 500ns
Figure Test Circuit
Input
Output
Input Waveform; 1.8ns; MHz; Duty Cycle
Figure ICCD Test Circuit
PS8729C
09/27/04
2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply Voltage
PI74STX2G4245
Packaging Mechanical: 8-Pin MSOP
Max.
.003 .012 0.07 0.30
.003 .012 0.07 0.30
Gauge Plane .010 0.25
Max.
.037 0.95
.016 .028 0.40 0.70
Detail
.112 2.85 .120 3.05
Detail
.114 2.90 .122 3.10
.114 2.90 .122 3.10
Packaging Mechanical: 12-pin TDFN (ZE)
2.50 REF.
Corner
0.50 TYP.
0.20 REF.
PS8729C
09/27/04
2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply Voltage
PI74STX2G4245
Ordering Information
Ordering Code PI74STX2G4245UX PI74STX2G4245UEX PI74STX2G4245ZEEX Package Code Package Type 8-pin MSOP Pb-free Green, 8-pin MSOP Pb-free Green, 12-pin TDFN Package Marking
Notes: Thermal Characteristics found www.pericom.com/packaging/ Tape Reel Number Transistors
Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com
PS8729C 09/27/04

2-Bit Level Shifting Buffer/Transceiver with Configurable Dual Supply

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