2-Bit Level Shifting Buffer/Transceiver with
Configurable Dual Supply Voltage
PI74STX2G4245
Recommended Operating Conditions for B Port ( V
CCB
)
(1)
Paramaters
V
CCB
V
IH
V
IL
V
IB
V
OB
I
OH
Description
Supply Voltage
High-level input voltage
Low-level input voltage
Input Voltage
Output Votage
V
CCB
= 2.3 V to 2.7V
High-level Output Current
V
CCB
= 3V to 3.6V
V
CCB
= 4.5V to 5.5V
V
CCB
= 2.3V to 2.7V
I
OL
∆t/∆V
T
A
Low-level Output Current
Input transition rise or fall rate
Operation free-air temperature
V
CCB
= 3V to 3.6V
V
CCB
= 4.5V to 5.5V
V
CCB
= 2.3V to 5.5V
-40
Data Inputs
DIR pin
Data Inputs
DIR pin
V
CCB
= 2.3V to 5.5V
V
CCB
= 2.3V to 5.5V
0
0
Test Conditions
Min.
2.3
0.7 x V
CCB
0.3 x V
CCB
V
CCB
V
CCB
-8
-12
-24
8
12
24
10
85
m/V
ºC
mA
V
Max.
5.5
Units
Notes:
1. To ensure proper device operation, all unused inputs must be held at V
CCB
or GND.
3
PS8729C
09/27/04