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74HCU04
DIGITAL & RS232 BOARD:
U1201 & U1202
74HC251
DIGITAL & RS232 BOARD:
U1203
DS232A
DIGITAL & RS232 BOARD:
U901
1A
1
1Y
2
2A
3
2Y
4
3A
5
3Y
6
GND
7
PIN7 STROBE
PIN4 D0
S0
S0
S0
PIN3 D1
S1
S1
S1
PIN2 D2
S2
S2
S2
PIN1 D3
S3
S3
S3
S4
PIN15 D4
S4
S4
S5
PIN14 D5
S5
S5
S6
PIN13 D6
S6
S6
PIN12 D7
S7
S7
S7
PIN11 A
PIN10 B
PIN9 C
35
14
V
CC
6A
13
6Y
12
5A
11
5Y
10
4A
9
4Y
8
W PIN6
Y PIN5
PIN8 GND
PIN16 VCC
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