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AT49F1024A

1-megabit (64K x 16) 5-volt Only Flash Memory

Atmel Corporation 

Data Polling Characteristics(1)

Symbol Parameter

tDH

tOEH

tOE

tWR

Notes:

Data Hold Time

OE Hold Time

OE to Output Delay(2)

Write Recovery Time

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

2. See tOE spec in “AC Read Characteristics” on page 6.

Data Polling Waveforms

Min

Typ

Max

Units

10

ns

10

ns

ns

0

ns

Toggle Bit Characteristics(1)

Symbol Parameter

tDH

tOEH

tOE

tOEHP

tWR

Notes:

Data Hold Time

OE Hold Time

OE to Output Delay(2)

OE High Pulse

Write Recovery Time

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

2. See tOE spec in “AC Read Characteristics” on page 6.

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

Min

Typ

Max

Units

10

ns

10

ns

ns

150

ns

0

ns

Notes:

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

10 AT49F1024A

3415B–FLASH–12/03

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