FEDR44V064A-01

MR44V064A

2/16

PIN CONFIGURATION

PIN DESCRIPTIONS

Pin Name

Description

A0 – A2

Address ( input )

Address pin indicates device address. When Address value is match the device address

code from SDA, the device will be selected. The address pins are pulled down internally.

SDA

Serial data input serial data output ( input / output )

SDA is a bi-directional line for I2C interface. The output driver is open-drain. A pull-up

resistor is required.

SCL

Serial Clock ( input )

Serial Clock is the clock input pin for setting for serial data timing. Inputs are latched on

the rising edge and outputs occur on the falling edge.

WP

Write protect ( input )

Write Protect pin controls write-operation to the memory. When WP is high, all address in

the memory will be protected. When WP is low, all address in the memory will be written.

WP pin is pulled down internally.

Power supply

8-pin plastic SOP

A0

A1

A2

VSS

VCC

WP

SCL

SDA

1

8

2

7

3

6

4

5