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AT29C040A-12JI Datasheet(PDF) 11 Page - ATMEL Corporation

Part No. AT29C040A-12JI
Description  4-megabit (512K x 8) 5-volt Only 256-byte Sector Flash Memory
Download  17 Pages
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT29C040A-12JI Datasheet(HTML) 11 Page - ATMEL Corporation

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11
AT29C040A
0333I–FLASH–05/02
Notes:
1. These parameters are characterized and not 100% tested.
2. See tOE spec in AC Read Characteristics.
Data Polling Waveforms
Notes:
1. These parameters are characterized and not 100% tested.
2. See tOE 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
10
ns
t
OEH
OE Hold Time
10
ns
tOE
OE to Output Delay
(2)
ns
tWR
Write Recovery Time
0
ns
Toggle Bit Characteristics
(1)
Symbol
Parameter
Min
Typ
Max
Units
t
DH
Data Hold Time
10
ns
tOEH
OE Hold Time
10
ns
tOE
OE to Output Delay
(2)
ns
tOEHP
OE High Pulse
150
ns
tWR
Write Recovery Time
0
ns


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