3

AT27C040

0189F–EPROM–4/03

Notes:

2. Refer to Programming Characteristics

3. V

low (V

Operating Modes

Mode/Pin

CE

OE

Ai

Outputs

Read

V

IL

V

IL

Ai

X

(1)

D

OUT

Output Disable

X

V

IH

XX

High Z

Standby

XX

X

High Z

Rapid Program

(2)

V

IL

V

IH

Ai

V

PP

D

IN

PGM Verify

X

V

IL

Ai

V

PP

D

OUT

PGM Inhibit

High Z

Product Identification

(4)

V

IL

V

IL

A9 = V

H

(3)

A0 = V

X

Identification Code

Absolute Maximum Ratings*

Temperature Under Bias................................ -55°C to +125°C

*NOTICE:

Stresses beyond those listed under “Absolute

Maximum Ratings” may cause permanent dam-

age to the device. This is a stress rating only and

functional operation of the device at these or any

other conditions beyond those indicated in the

operational sections of this specification is not

implied. Exposure to absolute maximum rating

conditions for extended periods may affect

device reliability.

Storage Temperature ..................................... -65°C to +150°C

Voltage on Any Pin with

Respect to Ground ............................................-2.0V to +7.0V

Voltage on A9 with

Respect to Ground .........................................-2.0V to +14.0V

Respect to Ground ..........................................-2.0V to +14.0V