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M28C64

Figure 3. Block Diagram

AI01355

ADDRESS

LATCH

A6-A12

(Page Address)

CONTROL LOGIC

64K ARRAY

ADDRESS

LATCH

A0-A5

Y DECODE

VPP GEN

RESET

SENSE AND DATA LATCH

I/O BUFFERS

RB

E

G

W

PAGE LOAD

TIMER STATUS

TOGGLE BIT

DATA POLLING

DQ0-DQ7

Note: 1. Except for the rating “Operating Temperature Range”, stresses above those listed in the Table “Absolute Maximum Ratings” may

cause permanent damage to the device. These are stress ratings only, and operation of the device at these or any other conditions

above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating condi-

tions for extended periods may affect device reliability. Refer also to the ST SURE Program and other relevant quality documents.

2. MIL-STD-883C, 3015.7 (100 pF, 1500

Ω)

Symbol

Parameter

Value

Unit

Ambient Operating Temperature

-40 to 125

°C

Storage Temperature

-65 to 150

°C

Supply Voltage

V

Input or Output Voltage

V

Input Voltage

-0.3 to 6.5

V

4000

V