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2
PS8729F
10/11/08
PI74STX2G4245
2-Bit Level Shifting Buffer/Transceiver with
Congurable Dual Supply Voltage
Supply voltage range: VDDA ............................. –0.5V to +6V
VDDB ............................. –0.5V to +6V
Input Voltage Range, VI:
Input A1(1) ................... –0.5V to +6V
I/O A2(1,2) ....... –0.5V to VDDA+0.5V
I/O B2(1,2) ........–0.5V to VDDB+0.5V
Output Voltage Range, VO
Output B1(1,2) ...–0.5V to VDDB +0.5V
Notes:
Stresses greater than those listed under 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 above those indicated in the operational sections of this specication is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
1.
The input negative voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
2.
This value is limited to 6V.
Maximum Ratings
(Absolute maximum ratings over operating free-air temperature range from VDDB at 2.5V & VDDA at 1.2V, unless otherwise noted)
DC Input Diode Current, IIK (VO <0).......................... –50mA
DC Output Diode Current, IOK (VO <0) ....................... –50mA
DC Output Current, (IOUT) ........................................... ±50mA
DC VCC or GND Current (ICC/IGND).......................... ±100mA
Storage temperature range, TSTG .................... –65°C to 150°C
Junction Lead Temperature (IOS) ....................................260°C
Power Dissipation: MSOP............................................ 200mW
Recommended Operating Conditions for A Port ( VDDA)
(1)
Parameter
Description
Test Conditions
Min.
Max.
Units
VDDA
Supply Voltage
1.65
3.6
V
VIH
High-level input voltage
VDDA = 1.65V to 1.95V
0.7 x VDDA
VDDA = 2.3V to 3.6V
0.7 x VDDA
VIL
Low-level input voltage
VDDA = 1.65 to 1.95V
0.3 x VDDA
VDDA = 2.3V to 3.6V
0.3 x VDDA
VIA
Input Voltage
0
VDDA
VOA
Output Votage
0
VDDA
IOH
High-level Output Current
VDDA = 1.65 V to 1.95V
-4
mA
VDDA = 2.3V to 2.7V
-8
VDDA = 3V to 3.6V
-12
IOL
Low-level Output Current
VDDA = 1.65V to 1.95V
4
VDDA = 2.3V to 2.7V
8
VDDA = 3V to 3.6V
12
t/V
Input transition rise or fall rate
VDDA = 1.65V to 1.95V
20
ns/V
VDDA = 2.3V to 3.6V
10
TA
Operation free-air temperature
-40
85
C
Notes:
1.
To ensure proper device operation, all unused inputs must be held at VDDA or GND.
08-0291
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