SN28846

SERIAL DRIVER

SOCS024B – FEBRUARY 1991

2

POST OFFICE BOX 655303

6

19

14

3

5

7

15

16

13

11

4

SEL0

SEL1

PD

SRG1IN

SRG2IN

SRG3IN

TRGIN

SRG1OUT

SRG2OUT

SRG3OUT

TRGOUT

Φ

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

GND

2

Ground

NC‡

8

No connect

NC‡

18

No connect

PD

3

I

Power down

SEL0

19

I

Propagation delay mode select

SEL1

11

I

Propagation delay mode select

SEL0OUT

1

O

Test pin (factory use only)

SEL1OUT

9

O

Test pin (factory use only)

SRG1IN

6

I

Serial-register gate 1 in

SRG2IN

5

I

Serial-register gate 2 in

SRG3IN

4

I

Serial-register gate 3 in

SRG1OUT

14

O

Serial-register gate 1 out

SRG2OUT

15

O

Serial-register gate 2 out

SRG3OUT

16

O

Serial-register gate 3 out

TRGIN

7

I

Transfer gate in

TRGOUT

13

O

Transfer gate out

VCC‡

12

I

Positive supply voltage

VCC‡

17

I

Positive supply voltage

VSS‡

10

I

Negative supply voltage

VSS‡

20

I

Negative supply voltage

‡ All terminals of the same name should be connected together externally.