
4
PS8729F
10/11/08
PI74STX2G4245
2-Bit Level Shifting Buffer/Transceiver with
Congurable Dual Supply Voltage
Electrical Characteristics (Over recommended operating free-air temperature range)
Parameters
Test Conditions
VDDA
(1)
VDDB
(1)
Min.
Typ.(2)
Max.
Units
VOHA
(B to A)
IOH = -100uA
1.65V to 3.6V
2.3V ≤ VDDB ≤
5.5V and VDDB ≥
VDDA
VDDB-0.1
V
IOH = -4mA
1.65V
1.3
IOH = -8mA
2.3V
1.8
IOH = -12mA
3.0V
2.4
VOLA
(B to A)
IOH = 100uA
1.65V to 3.6V
0.1
IOH = 4mA
1.65V
0.24
IOH = 8mA
2.3V
0.3
IOH = 12mA
3.0V
0.4
VOHB
(A to B)
IOH = -100uA
1.65V ≤ VDDA ≤
3.6V and VDDB ≥
VDDA
2.3V to 5.5V
VDDB-0.1
IOH = -8mA
2.3V
1.8
IOH = -12mA
3.0V
2.4
IOH = -24mA
4.5V
3.8
VOLB
(A to B)
IOH = 100uA
2.3V to 5.5V
0.1
IOH = 8mA
2.3V
0.3
IOH = 12mA
3.0V
0.4
IOH = 24mA
4.5V
0.55
II(3)
VI = VDDA/VDDB or GND
1.65V to 3.6V and
VDDB ≥ VDDA
2.3V to 5.5V and
VDDB ≥ VDDA
±5
μA
IOFF
VI or VO = VDDB or GND
0V
0 to 5.5V
±10
VI or VO = VDDA or GND
0 to 3.6V
0V
±10
ICCA
VI = VDDA or GND, IO = 0 1.65V to 3.6V and
VDDB ≥ VDDA
2.3 to 5.5V and
VDDB ≥ VDDA
10
ICCB
VI = VDDB or GND, IO = 0
10
CI
A1, DIR
VI = VDDA or GND
1.8V
3.3V
4.5
pF
CO
B1
Vo = VDDB or GND
1.8V
3.3V
4.5
CIO
A2, B2
VI or VO = VDDA/VDDB or
GND
1.8V
3.3V
6.0
Notes:
1.
When 1.65 ≤ VDDA ≤ 1.95V, VDDB can not be greater then 3.6V
2.
All Typical values are at TA = 25C
3.
For I/O ports, the paraneter II includes the output leackage current.
08-0291