74HC244 Datasheet, PDF (3/7 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state

Philips Semiconductors
Octal buffer/line driver; 3-state
PIN DESCRIPTION
PIN NO.
1
2, 4, 6, 8
3, 5, 7, 9
10
17, 15, 13, 11
18, 16, 14, 12
19
20
SYMBOL
1OE
1A₀ to 1A₃
2Y₀ to 2Y₃
GND
2A₀ to 2A₃
1Y₀ to 1Y₃
2OE
V_CC
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
Product specification
74HC/HCT244
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3