AT49BV040-20VC Ver la hoja de datos (PDF) - Atmel Corporation
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AT49BV040-20VC Datasheet PDF : 12 Pages
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Data Polling Characteristics(1)
Symbol
Parameter
Min
tDH
Data Hold Time
0
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
AT49BV/LV040
Typ
Max
Units
ns
ns
ns
ns
Toggle Bit Characteristics(1)
Symbol
Parameter
tDH
Data Hold Time
tOEH
tOE
OE Hold Time
OE to Output Delay (2)
tOEHP
OE High Pulse
tWR
Write Recovery Time
Notes: 1. These parameters are characterized and not 100% tested.
2. See tOE spec in AC Read Characteristics.
Toggle Bit Waveforms(1)(2)(3)
Min
Typ
Max
0
10
150
0
Units
ns
ns
ns
ns
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.
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