AT29C040 ATMEL Corporation, AT29C040 Datasheet - Page 6

• Manufacturer Part Number: AT29C040
• Description: 4-Megabit 512K x 8 5-volt Only 256-Byte Sector CMOS Flash Memory
• Manufacturer: ATMEL Corporation

AC Byte Load Waveforms
WE Controlled
AC Byte Load Characteristics
CE Controlled
Note:
6
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
WPH
, t
, t
OES
1. A complete sector (256-bytes) should be loaded using the waveforms shown in these byte load waveform diagrams.
OEH
Parameter
Address, OE Set-up Time
Address Hold Time
Chip Select Set-up Time
Chip Select Hold Time
Write Pulse Width (WE or CE)
Data Set-up Time
Data, OE Hold Time
Write Pulse Width High
AT29C040A
(1)
Min
100
10
50
90
50
10
0
0
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns