at29c040a ATMEL Corporation, at29c040a Datasheet - Page 9

• Manufacturer Part Number: at29c040a
• Description: At29c040a 4-megabit 512k X 8 5-volt Only 256-byte Sector Flash Memory
• Manufacturer: ATMEL Corporation

14. AC Byte Load Characteristics
15. AC Byte Load Waveforms
15.1
15.2
Note:
0333K–FLASH–2/05
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
WPH
, t
, t
OES
OEH
WE Controlled
CE Controlled
1. A complete sector (256 bytes) should be loaded using the waveforms shown in these byte load waveform diagrams.
Parameter
Address, OE Setup Time
Address Hold Time
Chip Select Setup Time
Chip Select Hold Time
Write Pulse Width (WE or CE)
Data Setup Time
Data, OE Hold Time
Write Pulse Width High
(1)
Min
100
10
50
90
50
10
0
0
Max
AT29C040A
Units
ns
ns
ns
ns
ns
ns
ns
ns
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