at28c040 ATMEL Corporation, at28c040 Datasheet - Page 9

• Manufacturer Part Number: at28c040
• Description: 4-megabit 512k X 8 Paged Parallel Eeproms
• Manufacturer: ATMEL Corporation

16. Page Mode Characteristics
17. Page Mode Write Waveforms
Notes:
0542E–PEEPR–1/08
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
1. A8 through A18 must specify the 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
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
(1)(2)
Min
100
50
50
50
0
0
Max
150
10
AT28C040
Units
ms
ns
ns
ns
ns
ns
µs
ns
9