AT49F002-50JC 데이터 시트보기 (PDF) - Atmel Corporation
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AT49F002-50JC Datasheet PDF : 16 Pages
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Data Polling Characteristics(1)
Symbol Parameter
Min
tDH
tOEH
tOE
tWR
Notes:
Data Hold Time
10
OE Hold Time
10
OE to Output Delay(2)
Write Recovery Time
0
1. These parameters are characterized and not 100% tested.
2. See tOE spec in AC Read Characteristics.
DATA Polling Waveforms
WE
CE
OE
tDH
I/O7
tOEH
tOE
HIGH Z
A0-A17
An
An
An
Typ
Max
tWR
An
An
Units
ns
ns
ns
ns
Toggle Bit Characteristics(1)
Symbol Parameter
Min
Typ
Max
Units
tDH
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
Notes: 1. These parameters are characterized and not 100% tested.
2. See tOE spec in AC Read Characteristics.
Toggle Bit Waveforms(1)(2)(3)
WE
CE
OE
tOEH
tOEHP
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.
10
AT49F002(N)(T)
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