AT49F020

4

Notes:

1. X can be V

2. Refer to AC Programming Waveforms.

3. V

4. Manufacturer Code: 1FH, Device Code 0BH.

5. See details under Software Product Identification Entry/Exit.

Note:

In the erase mode, I

DC and AC Operating Range

AT49F020-55

AT49F020-70

AT49F020-90

Operating

Temperature (Case)

Com.

0°C - 70°C

0°C - 70°C

0°C - 70°C

Ind.

-40°C - 85°C

-40°C - 85°C

-40°C - 85°C

V

5V

± 10%

5V

± 10%

5V

± 10%

Operating Modes

Mode

CE

OE

WE

Ai

I/O

Read

V

IL

V

IL

V

IH

Ai

D

OUT

V

IL

V

IH

V

IL

Ai

D

IN

Standby/Write Inhibit

V

IH

XX

High Z

Program Inhibit

X

X

V

IH

Program Inhibit

X

V

IL

X

Output Disable

X

V

IH

XHigh Z

Product Identification

Hardware

V

IL

V

IL

V

IH

A1 - A17 = V

(3)

A0 = V

IL

A1 - A17 = V

(3)

A0 = V

IH

A0 = V

A0 = V

DC Characteristics

Symbol

Parameter

Condition

Min

Max

Units

I

LI

Input Load Current

V

10

µA

I

LO

Output Leakage Current

V

10

µA

I

SB1

V

CE = V

Com.

100

µA

Ind.

300

µA

I

SB2

V

CE = 2.0V to V

CC

3mA

I

CC

(1)

V

f = 5 MHz; I

50

mA

V

IL

Input Low Voltage

0.8

V

V

IH

Input High Voltage

2.0

V

V

OL

Output Low Voltage

I

.45

V

V

OH1

Output High Voltage

I

V

V

OH2

Output High Voltage CMOS

I

4.2

V