AT28C040-20 ATMEL Corporation, AT28C040-20 Datasheet - Page 7

• Manufacturer Part Number: AT28C040-20
• Description: 4-Megabit 512K x 8 Paged E2PROM
• Manufacturer: ATMEL Corporation

Page Mode Characteristics
Page Mode Write Waveforms
Notes:
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
1.
2.
Parameter
Write Cycle Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
A8 through A18 must specify the page address during each high to low transition of WE (or CE).
OE must be high only when WE and CE are both low.
(1)(2)
Min
100
50
50
50
0
0
Max
150
10
Units
ms
ns
ns
ns
ns
ns
ns
s
7