AT5FC008-20 データシートの表示（PDF） - Atmel Corporation
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AT5FC008-20 Datasheet PDF : 15 Pages
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Write Cycle Characteristics
Symbol
Parameter
Min
tWC
Write Cycle Time
tAS
Address Set-up Time
10
tAH
Address Hold Time
60
tDS
Data Set-up Time
60
tDH
Data Hold Time
10
tWP
Write Pulse Width
100
tBLC
Byte Load Cycle Time
tWPH
Write Pulse Width High
100
AT5FC008
Max
Units
10
ms
ns
ns
ns
ns
ns
150
µs
ns
A.C. Write Waveforms (Byte Mode)
OE
CE2
CE1
WE
tAS
A0
A1-A8
A9-A19
DATA
tWP
tAH
BYTE
ADDRESS
SECTOR
ADDRESS
tDS
BYTE 0
BYTE 1
tWPH
tBLC
tDH
BYTE 2
tWC
BYTE 510
BYTE 511
Notes:
1. A20, A21 and A22 specify the pair of AT29C040 devices to be
written, while A0 controls the selection of even and odd bytes.
A0, A20, A21 and A22 must be valid throughout the entire WE
low pulse.
2. A9 through A19 must specify the sector address during each high
to low transition of WE (or CE).
3. OE must be high when WE and CE are both low.
4. All bytes that are not loaded within the sector being pro-
grammed will be erased to FF.
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