SN55107A, SN75107A, SN75107B, SN75108A

DUAL LINE RECEIVERS

SLLS069D – JANUARY 1977 – REVISED APRIL 1998

3

POST OFFICE BOX 655303

schematic (each receiver)

13

2, 11

14

1, 12

See

Note 2

To Other Receiver

Output Y

GND

Strobe G

Strobe S

4, 9

7

5, 8

6

800

Ω

Common

to Both

Receivers

1 k

Ω

1 k

Ω

400

Ω

4 k

Ω

1.6 k

Ω

120

Ω

4.8 k

Ω

760

Ω

R†

4.25 k

Ω

3 k

Ω

3 k

Ω

VCC +

A

B

Inputs

VCC –

Pin numbers shown are for D, J, N, and W packages.

† R = 1 k

Ω for ’107A and SN75107B, 750 Ω for SN75108A.

NOTES:

1.

Resistor values shown are nominal.

2. Components shown with dashed lines in the output circuitry are applicable to the ’107A and SN75107B only. Diodes in series with

the collectors of the differential input transistors are short circuited on ’107A and SN75108A.

See

Note 2