at28c256f-25um883 ATMEL Corporation, at28c256f-25um883 Datasheet - Page 9
at28c256f-25um883
Manufacturer Part Number
at28c256f-25um883
Description
At28c256 256k 32k X 8 Paged Parallel Eeprom
Manufacturer
ATMEL Corporation
Datasheet
1.AT28C256F-25UM883.pdf
(27 pages)
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16. Page Mode Characteristics
17. Page Mode Write Waveforms
Notes:
18. Chip Erase Waveforms
0006K–PEEPR–01/08
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
1. A6 through A14 must specify the same page address during each high to low transition of WE (or CE).
2. OE must be high only when WE and CE are both low.
Parameter
Write Cycle Time (option available)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
t
t
V
S
W
H
= t
= 10 msec (min.)
= 12.0V ± 0.5V
H
= 5 µsec (min.)
(1)(2)
AT28C256
AT28C256F
Min
100
50
50
50
0
0
Max
150
10
3
AT28C256
Units
ms
ms
ns
ns
ns
ns
ns
µs
ns
9
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