Pin Assignment

Block Diagram

Pad Coordinates

Unit: mil

Pad No.

X

Y

1

–23.9

13.5

2

–24.13

–7.055

323.89

13.5

413.09

13.5

5–15.89

13.5

Chip size: 60

*The IC substrate should be connected to VDD in PCB layout artwork.

Pad Description

Pad No.

Pad Name

I/O

Internal

Connection

Description

1

VDD

—

—

Power supply (positive)

2

TEST

—

—

For IC test only

3

ON/OFF

I

CMOS

Pull-High

Lamp/LED flash ON/OFF control pad

4

VSS

—

—

Power supply (ground)

5OUT

O

NMOS

Open Drain

Lamp/LED flash output

HT201XX

2

10th June ’97