74lvc161284 STMicroelectronics, 74lvc161284 Datasheet - Page 2

• Manufacturer Part Number: 74lvc161284
• Description: Low Voltage High Speed Ieee1284 Transceiver
• Manufacturer: STMicroelectronics

74LVC161284
LOGIC DIAGRAM
NOTE A:
NOTE B:
PIN DESCRIPTION
2/11
41, 40, 38, 37, 36, 35, 33, 32
8, 9, 11, 12, 13, 14, 16, 17
47, 46, 45, 44, 43
20, 21, 22, 23
29, 28, 27, 26
10, 15, 34, 39
The PMOS transistors prevent backdriving current from the signal pins to V
PMOS transistor is turned off when the associated driver is in the low state.
The PMOS transistor prevents backdriving current from the signal pins to V
2, 3, 4, 5, 6
PIN No
31, 42
7, 18
19
24
25
30
48
1
C14 to C17
A14 to A17
V
A9 to A13
Y9 to Y13
SYMBOL
A1 to A8
B1 to B8
CC/CABLE
GND
HLO
PLO
V
DIR
HLI
HD
PLI
CC
High Drive Enable Input
Side A Input
Side A Input or Output
Peripheral Logic Input
Side A Output
Host Logic Output
Host Logic Input
Side Cable Output
Peripheral Logic Output
Side Cable Input or Output
Side Cable Output
Direction Control Input
Ground (0V)
Positive Supply Voltage
Cable Power Supply
CC/CABLE
CC/CABLE
NAME AND FUNCTION
when V
when V
CC/CABLE
CC/CABLE
is open or at GND. The
is open or at GND.