M54/M74HC7240/7241/7244
CHIP CARRIER
HC7240
HC7241
HC7244
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION (HC7240)
PIN No
1
SYMBOL
NAME AND FUNCTION
1G
Output Enable Input
2, 4, 6, 8
9, 7, 5, 3
1A1 to 1A4 Data Inputs
2Y1 to 2Y4 Data Outputs
11, 13, 15, 2A1 to 2A4 Data Inputs
17
18, 16, 14, 1Y1 to 1Y4 Data Outputs
12
19
10
20
2G
GND
VCC
Output Enabel Input
Ground (0V)
Positive Supply Voltage
PIN DESCRIPTION (HC7241)
PIN DESCRIPTION (HC7244)
PIN No
1
SYMBOL
NAME AND FUNCTION
PIN No
1
SYMBOL
NAME AND FUNCTION
1G
Output Enable Input
1G
Output Enable Input
2, 4, 6, 8
9, 7, 5, 3
1A1 to 1A4 Data Inputs
2Y1 to 2Y4 Data Outputs
2, 4, 6, 8
9, 7, 5, 3
1A1 to 1A4 Data Inputs
2Y1 to 2Y4 Data Outputs
11, 13, 15, 2A1 to 2A4 Data Inputs
17
11, 13, 15, 2A1 to 2A4 Data Inputs
17
18, 16, 14, 1Y1 to 1Y4 Data Outputs
12
18, 16, 14, 1Y1 to 1Y4 Data Outputs
12
19
10
20
2G
GND
VCC
Output Enabel Input
Ground (0V)
19
10
20
2G
GND
VCC
Output Enabel Input
Ground (0V)
Positive Supply Voltage
Positive Supply Voltage
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STMICROELECTRONICS [ ST ]
