Datasheet

CHIP CARRIER
INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION (HCT240)
PIN No SYMBOL NAME AND FUNCTION
1 1G Output Enable Input
2, 4, 6, 8 1A1 to 1A4 Data Inputs
9, 7, 5, 3 2Y1 to 2Y4 Data Outputs
11, 13, 15,
17
2A1 to 2A4 Data Inputs
18, 16, 14,
12
1Y1 to 1Y4 Data Outputs
19 2G Output Enabel Input
10 GND Ground (0V)
20 V
CC
Positive Supply Voltage
PIN DESCRIPTION (HCT244)
PIN No SYMBOL NAME AND FUNCTION
1 1G Output Enable Input
2, 4, 6, 8 1A1 to 1A4 Data Inputs
9, 7, 5, 3 2Y1 to 2Y4 Data Outputs
11, 13, 15,
17
2A1 to 2A4 Data Inputs
18, 16, 14,
12
1Y1 to 1Y4 Data Outputs
19 2G Output Enabel Input
10 GND Ground (0V)
20 V
CC
Positive Supply Voltage
PIN DESCRIPTION (HCT241)
PIN No SYMBOL NAME AND FUNCTION
1 1G Output Enable Input
2, 4, 6, 8 1A1 to 1A4 Data Inputs
9, 7, 5, 3 2Y1 to 2Y4 Data Outputs
11, 13, 15,
17
2A1 to 2A4 Data Inputs
18, 16, 14,
12
1Y1 to 1Y4 Data Outputs
19 2G Output Enabel Input
10 GND Ground (0V)
20 V
CC
Positive Supply Voltage
HCT244HCT241HCT240
M54/M74HCT240/241/244
2/12