2

Multimedia ICs

BA7242F

Parameter

Symbol

Limits

7

– 20 ~ + 70

– 55 ~ + 125

Unit

V

mW

°C

°C

Pd

Topr

Tstg

Power supply voltage

Power dissipation

Operating temperature

Storage temperature

(When mounted on a 70mm

× 70mm × 1.6mm glass epoxy board.)

Parameter

Symbol

Limits

4.5 ~ 5.5

0 ~ 0.7

0 ~ 0.7

0 ~ 0.7

0.45 ~ 0.60

Unit

V

Power supply voltage

RIN input level

GIN input level

BIN input level

SCIN input level

Pin No.

1

Pin name

Function

BIN

Input for analog B signal. Operate with low impedance.

Input for analog G signal. Operate with low impedance.

Input for analog R signal. Operate with low impedance.

Ω driver.

GND for all except 75

Ω driver.

3.58MHz or 4.43MHz pulse signal input.

Video signal output mode setting. HIGH level = NTSC, LOW level = PAL.

Chrominance signal output. Internal 75

Ω driver.

GND for 75

Ω driver.

Composite video signal output. Internal 75

Ω driver.

Luminance signal output. Internal 75

Ω driver.

Ω driver.

2

GIN

3

RIN

5

SYNC

6

BFP

7

GND1

8

SCIN

9

NT / PAL

10

11

GND2

12

13

14

Input for composite SYNC signal. Outputs SYNC signal to VOUT and YOUT pins

when input is LOW.

Input for burst timing signal. Simultaneously performs the burst output and initiates

the pedestal clamp for the RIN, GIN, and BIN input signals when input is LOW.