参数资料
型号: IN74VHC244DW
厂商: INTEGRAL JOINT STOCK COMPANY
英文描述: Octal Buffer /Line Driver NINV (3-state)
中文描述: 八路缓冲器/线路驱动器NINV(3态)
文件页数: 2/7页
文件大小: 296K
代理商: IN74VHC244DW
IN74VHC244
IN74VHC244 truth table
Input
Output
G
A
Y
L
L
H
L
H
X
L
H
Z
Note –
H - high voltage level;
L - low voltage level;
X - any voltage level (low or high);
Z - output in third state
Pins description in IN74VHC244
Pin No.
Symbol
Description
01
1G
Input OUTPUT ENABLE
02
1A1
Data input
03
2Y4
Data output
04
1A2
Data input
05
2Y3
Data output
06
1A3
Data input
07
2Y2
Data output
08
1A4
Data input
09
2Y1
Data output
10
GND
Common output
11
2A1
Data input
12
1Y4
Data output
13
2A2
Data input
14
1Y3
Data output
15
2A3
Data input
16
1Y2
Data output
17
2A4
Data input
18
1Y1
Data output
19
2G
Input OUTPUT ENABLE
Pinout
01
1A1
02
03
04
05
06
07
08
09
GND
10
20
19
18
17
16
15
14
13
12
11
V
CC
1G
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
2A1
1Y4
2A2
1Y3
2A3
1Y2
2A4
1Y1
2G
20
V
CC
Supply output from voltage source
2
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