4

0189G–EPROM–05/05

AT27C040

Notes:

1. X can be V

2. Refer to Programming Characteristics

4. Two identifier bytes may be selected. All Ai inputs are held low (V

low (V

Notes:

1. V

6.

Operating Modes

Mode/Pin

CE

OE

Ai

V

PP

Outputs

Read

Ai

X

(1)

Output Disable

X

V

IH

XX

High Z

Standby

V

IH

XX

X

High Z

Rapid Program

(2)

Ai

PGM Verify

X

V

IL

Ai

V

PP

D

OUT

PGM Inhibit

V

IH

V

IH

XV

PP

High Z

Product Identification

(4)

V

IL

V

IL

A9 = VH

(3)

A0 = V

A1 - A18 = V

IL

X

Identification Code

7.

DC and AC Operating Conditions for Read Operation

AT27C040-70

AT27C040-90

Industrial Operating Temperature (Case)

-40°C - 85°C

-40°C - 85°C

V

5V

± 10%

5V

± 10%

8.

DC and Operating Characteristics for Read Operation

Symbol

Parameter

Condition

Min

Max

Units

I

LI

Input Load Current

V

±1µA

I

LO

Output Leakage Current

V

±5µA

(2)

(1) Read/Standby Current

10

µA

I

SB

V

CC1

(1) Standby Current

I

100

µA

I

1

mA

30

mA

V

IL

Input Low Voltage

-0.6

0.8

V

V

IH

Input High Voltage

2.0

V

V

Output Low Voltage

0.4

V

V

OH

Output High Voltage

I

2.4

V