NTE7142 查看數據表（PDF） - NTE Electronics

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NTE7142

Integrated Circuit +5V–Powered, Multichannel RS–232 Driver/Receiver

NTE Electronics 

Pin Connection Diagram

Capacitor 1 (+) 1

V+ (+10V) 2

Capacitor 1 (–) 3

Capacitor 2 (+) 4

Capacitor 2 (–) 5

V– (–10V) 6

RS–232 Output 2 7

RS–232 Input 2 8

16 VCC

15 GND

14 RS–232 Output 1

13 RS–232 Input 1

12 TTL/CMOS Out 1

11 TTL/CMOS In 1

10 TTL/CMOS In 2

9 TTL/CMOS Out 2

16

9

1

8

.765 (19.43)

Max

.325 (8.26)

Max

.180 (4.57)

Max

.100 (2.54)

.700 (17.78)

.115 (2.92) Min

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