AT49BV020 datasheet(7/10 Pages) ATMEL

Part #	AT49BV020

Description	2-Megabit 256K x 8 Single 2.7-volt Battery-Voltage Flash Memory

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Manufacturer	ATMEL [ATMEL Corporation]

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AT49BV020

7

Notes:

1. These parameters are characterized and not 100% tested.

2. See t

OE spec in AC Read Characteristics.

Data Polling Waveforms

Notes:

1. These parameters are characterized and not 100% tested.

2. See t

OE spec in AC Read Characteristics.

Toggle Bit Waveforms(1)(2)(3)

Notes:

1. Toggling either OE or CE or both OE and CE will operate toggle bit. The t

OEHP specification must be met by the toggling

input(s).

2. Beginning and ending state of I/O6 will vary.

3. Any address location may be used but the address should not vary.

Data Polling Characteristics(1)

Symbol

Parameter

Min

Typ

Max

Units

t

DH

Data Hold Time

0

ns

t

OEH

OE Hold Time

10

ns

t

OE

OE to Output Delay(2)

ns

t

WR

Write Recovery Time

0

ns

Toggle Bit Characteristics(1)

Symbol

Parameter

Min

Typ

Max

Units

t

DH

Data Hold Time

0

ns

t

OEH

OE Hold Time

10

ns

t

OE

OE to Output Delay(2)

ns

t

OEHP

OE High Pulse

150

ns

t

WR

Write Recovery Time

0

ns

CE

OE

I/O7

tOE

WE

tDH

An

tOEH

tWR

A0-A17

An

HIGH Z

CE

OE

I/O6

tOE

WE

tDH

tOEHP

HIGH Z

tOEH

tWR

Similar Part No. - AT49BV020

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Manufacturer	Part #	Datasheet	Description
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AT49BV020 Datasheet(PDF) 7 Page - ATMEL Corporation

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