Pin Description

Pin Name I/O

Internal

Connection

Description

A0~A11

I

NMOS

TRANSMISSION

GATE

Input pins for address A0~A11 setting

They can be externally set to VDD or VSS.

D8~D11

O

CMOS OUT

Output data pins

DIN

I

CMOS IN

Serial data input pin

VT

O

CMOS OUT

Valid transmission, active high

OSC1

I

OSCILLATOR

Oscillator input pin

OSC2

O

OSCILLATOR

Oscillator output pin

VSS

I

¾

Negative power supply (GND)

VDD

I

¾

Positive power supply

Approximate internal connection circuits

Absolute Maximum Ratings

Supply Voltage...............................-0.3V to 13V

Storage Temperature.................-50°Cto125°C

Operating Temperature ..............-20°Cto75°C

Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi-

mum Ratings² may cause substantial damage to the device. Functional operation of this de-

vice at other conditions beyond those listed in the specification is not implied and prolonged

exposure to extreme conditions may affect device reliability.

3

July 12, 1999

NM O S

T R AN SM I SSI O N

GA T E

C M O S IN

O S C I LLA T O R

OS C 1

OS C 2

CM O S O UT

EN