Program cycle characteristics, Program cycle waveforms – Rainbow Electronics AT29C257 User Manual
Page 7
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Program Cycle Characteristics
Symbol
Parameter
Min
Max
Units
t
WC
Write Cycle Time
10
ms
t
AS
Address Set-up Time
0
ns
t
AH
Address Hold Time
50
ns
t
DS
Data Set-up Time
35
ns
t
DH
Data Hold Time
0
ns
t
WP
Write Pulse Width
90
ns
t
BLC
Byte Load Cycle Time
150
µ
s
t
WPH
Write Pulse Width High
100
ns
Program Cycle Waveforms
(1, 2, 3)
Notes: 1. A6 through A14 must specify the page address
during each high to low transition of WE (or CE).
2. OE must be high when WE and CE are both low.
3. All bytes that are not loaded within the page being
programmed will be indeterminate.
AT29C257
4-111
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