74HC244 Philips, 74HC244 Datasheet - Page 3

• Manufacturer Part Number: 74HC244
• Description: Octal buffer/line driver 3-state
• Manufacturer: Philips

Philips Semiconductors
PIN DESCRIPTION
December 1990
PIN NO.
1
2, 4, 6, 8
3, 5, 7, 9
10
17, 15, 13, 11
18, 16, 14, 12
19
20
Octal buffer/line driver; 3-state
Fig.1 Pin configuration.
SYMBOL
1OE
1A
2Y
GND
2A
1Y
2OE
V
CC
0
0
0
0
to 1A
to 2Y
to 2A
to 1Y
3
3
3
3
NAME AND FUNCTION
output enable input (active LOW)
data inputs
bus outputs
ground (0 V)
data inputs
bus outputs
output enable input (active LOW)
positive supply voltage
Fig.2 Logic symbol.
3
Fig.3 IEC logic symbol.
74HC/HCT244
Product specification