AT49BV002T-90TC Просмотр технического описания (PDF) - Atmel Corporation
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AT49BV002T-90TC Datasheet PDF : 20 Pages
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Data Polling Characteristics
Symbol
Parameter
Min
Typ
Max
tDH
Data Hold Time
10
tOEH
OE Hold Time
10
tOE
OE to Output Delay(2)
tWR
Write Recovery Time
0
Notes: 1. These parameters are characterized and not 100% tested.
2. See tOE spec in AC Read Characteristics.
DATA Polling Waveforms
WE
CE
tOEH
OE
tDH
tOE
HIGH Z
tWR
I/O7
A0-A17
An
An
An
An
An
Toggle Bit Characteristics
Symbol
Parameter
Min
tDH
Data Hold Time
10
tOEH
OE Hold Time
10
tOE
OE to Output Delay(2)
tOEHP
OE High Pulse
150
tWR
Write Recovery Time
0
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
I/O6
tOEH
tDH tOE
tOEHP
HIGH Z
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.
Typ
Max
tWR
10 AT49BV/LV002(N)(T)
Units
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
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