AT49F040A datasheet(6/16 Pages) ATMEL | 4-megabit (512K x 8) 5-volt Only Flash Memory

Part No.	AT49F040A

Description	4-megabit (512K x 8) 5-volt Only Flash Memory

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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6

AT49F040A

3359B–FLASH–10/04

Notes:

1. X can be VIL or VIH.

2. Refer to AC Programming Waveforms.

3. V

H = 12.0V ± 0.5V.

4. Manufacturer Code: 1FH, Device Code: 13H.

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

Note:

1. In the erase mode, I

CC is 90 mA.

DC and AC Operating Range

AT49F040A-55

AT49F040A-70

Operating Temperature (Case)

Ind.

-40

°C - 85°C

-40

°C - 85°C

VCC Power Supply

5V ± 10%

Operating Modes

Mode

CE

OE

WE

Ai

I/O

Read

VIL

VIH

Ai

DOUT

Program/Erase

(2)

V

IL

V

IH

V

IL

Ai

D

IN

Standby/Write Inhibit

V

IH

X(1)

X

High Z

Program Inhibit

X

VIH

X

V

IL

X

Output Disable

X

V

IH

X

High Z

Reset

X

High Z

Product Identification

Hardware

V

IL

V

IL

V

IH

A1 - A18 = V

IL, A9 = VH,

(3) A0 = V

IL

Manufacturer Code(4)

A1 - A18 = VIL, A9 = VH,

(3) A0 = V

IH

Device Code

(4)

Software

(5)

A0 = V

IL, A1 - A18 =VIL

Manufacturer Code

(4)

A0 = V

IH, A1 - A18 =VIL

Device Code(4)

DC Characteristics

Symbol

Parameter

Condition

Min

Max

Units

I

LI

Input Load Current

V

IN = 0V to VCC

10

µA

I

LO

Output Leakage Current

V

I/O = 0V to VCC

10

µA

ISB1

VCC Standby Current CMOS

CE = VCC - 0.3V to VCC

70

µA

I

SB2

V

CC Standby Current TTL

CE = 2.0V to V

CC

1mA

I

CC

(1)

V

CC Active Current

f = 5 MHz; I

OUT = 0 mA

20

mA

VIL

Input Low Voltage

0.8

V

IH

Input High Voltage

2.0

V

VOL

Output Low Voltage

IOL = 2.1 mA

0.45

V

OH1

Output High Voltage

I

OH = -400 µA

2.4

V

OH2

Output High Voltage CMOS

I

OH = -100 µA; VCC = 4.5V

4.2

V

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