AT49BV040A 데이터 시트보기 (PDF) - Atmel Corporation
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AT49BV040A Datasheet PDF : 17 Pages
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AT49BV040A
Data Polling Characteristics
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.
Min
Typ
Max
10
10
0
Data Polling Waveforms
WE
CE
tOEH
OE
tDH
tOE
HIGH Z
tWR
I/O7
A0-A18
An
An
An
An
An
Toggle Bit Characteristics
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.
Toggle Bit Waveforms(1)(2)(3)
WE
Min
Typ
Max
10
10
50
0
CE
tOEH
tOEHP
OE
tDH tOE
HIGH Z
I/O6
tWR
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.
Units
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
11
3358A–FLASH–6/03
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