TMS3472A

SERIAL DRIVER

SOCS025B – FEBRUARY 1991

3

POST OFFICE BOX 655303

CCD Driver

[T]

TTL/CCD

[S3]

TTL/CCD

[S2]

TTL/CCD

PLL2,3

[S1]

TTL/CCD

PLL1

Slew

TRGOUT

SRG3OUT

SRG2OUT

SRG1OUT

TSR

TRGIN

SRG2,3IN

2,3PC2

2,3PC1

SRG1IN

1PC2

1PC1

DLADJ

SSR

PD

Phase

Phase

Ser Delay Adj

Ser Slew

Pwr Dwn

3

9

1

18

19

5

7

8

4

6

11

14

15

16

13

† This symbol is in accordance with ANSI/IEEE Std 91-1984.

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

DLADJ

1

I

Delay adjust for all serial-register gates

GND

2

Ground

2,3PC1‡

7

I

Phase adjust control for SRG2OUT SRG3OUT

2,3PC2‡

8

I

Phase-adjust control for SRG2OUT, SRG3OUT

1PC1‡

18

I

Phase adjust control for SRG1OUT

1PC2‡

19

I

Phase-adjust control for SRG1OUT

PD

3

I

Power down

SRG1IN

5

I

Serial-register gate 2 and 3 in

SRG2,3IN

4

I

Serial-register gate 1 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

SSR

9

I

Serial-register gate out slew-rate adjust

TRGIN

6

I

Transfer gate in

TRGOUT

13

O

Transfer gate out

TSR

11

I

Transfer gate out slew-rate adjust

VCC§

12

I

Positive supply voltage

VCC§

17

I

Positive supply voltage

VSS§

10

I

Negative supply voltage

VSS§

20

I

Negative supply voltage

‡ A 270-pF capacitor should be connected between terminals 7 and 8 and between

terminals 18 and 19.

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