This X24C01A device has been acquired by

IC MICROSYSTEMS from Xicor, Inc.

1

DESCRIPTION

The X24C01A is a CMOS 1024 bit serial E

2

PROM,

internally organized 128 x 8. The X24C01A features a

serial interface and software protocol allowing operation on a

simple two wire bus. Three address inputs allow up

to eight devices to share a common two wire bus.

Xicor E

2

PROMs are designed and tested for applications

requiring extended endurance. Inherent data retention

is greater than 100 years. Available in an eight pin DIP and

SOIC package.

FEATURES

—Active Current Less Than 1 mA

—Standby Current Less Than 50 µA

—Typical Write Cycle Time of 5 ms

—Bidirectional Data Transfer Protocol

—Minimizes Total Write Time Per Byte

—Endurance: 100,000 Cycles

—Data Retention: 100 Years

© Xicor, 1991 Patents Pending

Characteristics subject to change without notice

1K

X24C01A

128 x 8 Bit

Serial E

FUNCTIONAL DIAGRAM

3841 FHD F01

START

STOP

LOGIC

CONTROL

LOGIC

SLAVE ADDRESS

REGISTER

+COMPARATOR

H.V. GENERATION

TIMING

& CONTROL

WORD

ADDRESS

COUNTER

XDEC

YDEC

D

OUT

ACK

E

2

PROM

32x32

DATA REGISTER

START CYCLE

(8) V

CC

R/W

PIN

(4) V

SS

(5) SDA

(6) SCL

(3) A2

(2) A1

(1) A0

D

OUT

LOAD

INC

CK

8

(7) WC

3841-1

IC MICROSYSTEMS

TM