TMS3473B

PARALLEL DRIVER

SOCS022B – NOVEMBER 1990

3

POST OFFICE BOX 655303

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

ABIN

4

I

Antiblooming in

ABLVL

16

I

DC antiblooming midlevel voltage

ABOUT

14

O

Antiblooming out

ABSR

18

I

Antiblooming slew rate

GND

8

Ground

IAIN

3

I

Parallel-image-area in

IALVL

1

I

DC parallel-image-area midlevel voltage

IAOUT

15

O

Parallel-image-area out

IASR

19

I

Parallel-image-area slew rate

I/N

2

I

Interlace/noninterlace select

MIDSEL

5

I

IAOUT/ABOUT midlevel voltage select

PD

7

I

Power down

SAIN

6

I

Parallel storage area in

SAOUT

13

O

Parallel storage area out

VABG+

9

I

Positive ABG supply voltage

VABG –

11

I

Negative ABG supply voltage

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.

IAIN

ABIN

MIDSEL

IAOUT

ABOUT

I/N

Integrate

Readout

or

Transfer to

Memory‡

ABOUT

IAOUT

MIDSEL

ABIN

IAIN

I/N

TV Field B

TV Field A

Integrate

Readout

or

Transfer to

Memory‡

–9 V

5 V

0 V

5 V

0 V

5 V

0 V

1.5 V

–9 V

–3 V

3 V

–8 V

– 2.5 V

2 V

5 V

0 V

5 V

0 V

5 V

0 V

1.5 V

–9 V

3 V

–8 V

– 2.5 V

Figure 1. Parallel-Driver Timing Diagram

(interlace mode)

Figure 2. Parallel-Driver Timing Diagram

(noninterlace mode)

‡ A readout occurs if the TMS3473B is driving a full-frame CCD image sensor; a transfer to memory occurs if the TMS3473B is driving a

frame-transfer CCD image sensor.