5

AT49F2048A

1159F–04/01

Notes:

2. Refer to AC programming waveforms.

3. V

4. Manufacturer Code: 001FH, Device Code: 0082H

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

Note:

1. In the erase mode, I

DC and AC Operating Range

AT49F2048A-70

AT49F2048A-90

Operating

Temperature (Case)

Com.

0°C - 70°C0°C - 70°C

Ind.

-40°C - 85°C-40°C - 85°C

V

5V

± 10%

5V

± 10%

Operating Modes

Mode

CE

OE

WE

RESET

Ai

I/O

Read

Ai

Program/Erase

(2)

V

IL

V

IH

V

IL

V

IH

Ai

D

IN

Standby/Write Inhibit

V

IH

XV

IH

X

High-Z

Program Inhibit

X

X

Program Inhibit

X

V

IL

XV

IH

Output Disable

X

V

IH

XV

IH

High-Z

Reset

X

X

X

X

High-Z

Product Identification

Hardware

V

IL

V

IL

V

IH

V

IH

A1 - A16 = VIL, A9 = V

(3)

Manufacturer Code

(4)

A1 - A16 = V

(3)

A0 = V

IH

Device Code

(4)

V

IH

Manufacturer Code

(4)

A0 = V

Device Code

(4)

DC Characteristics

Symbol

Parameter

Condition

Min

Max

Units

Input Load Current

10.0

µA

I

LO

Output Leakage Current

V

10.0

µA

I

SB1

V

CE = V

100.0

µA

I

SB2

V

CE = 2.0V to V

CC

3.0

mA

I

CC

(1)

V

f = 5 MHz; I

50.0

mA

Input Low Voltage

0.8

V

V

IH

Input High Voltage

2.0

V

V

OL

Output Low Voltage

I

0.45

V

Output High Voltage

2.4

V

V

OH2

Output High Voltage CMOS

I

4.2

V