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PRELIMINARY DATA

February 1999

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

M28C16B

M28C17B

16 Kbit (2K x 8) Parallel EEPROM

With Software Data Protection

s

s

Single Supply Voltage:

– 4.5 V to 5.5 V for M28CxxB

– 2.7 V to 3.6 V for M28CxxB-W

s

Low Power Consumption

s

Fast BYTE and PAGE WRITE (up to 64 Bytes)

s

Enhanced Write Detection and Monitoring:

– Data Polling

– Toggle Bit

– Page Load Timer Status

s

JEDEC Approved Bytewide Pin-Out

s

Software Data Protection

s

100000 Erase/Write Cycles (minimum)

s

Data Retention (minimum): 40 Years

DESCRIPTION

The M28C16B and M28C17B devices consist of

2048x8 bits of low power, parallel EEPROM, fabri-

cated with STMicroelectronics’ proprietary single

polysilicon CMOS technology. The devices offer

fast access time, with low power dissipation, and

require a single voltage supply.

Figure 1. Logic Diagram

AI02816

11

A0-A10

W

DQ0-DQ7

VCC

M28C16B

M28C17B

G

E

VSS

8

RB

(M28C17B only)

Table 1. Signal Names

A0-A10

Address Input

DQ0-DQ7

Data Input / Output

W

Write Enable

E

Chip Enable

G

Output Enable

RB

Ready/Busy (M28C17B only)

Supply Voltage

Ground

PLCC32 (K)