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Part Name
Description
29C040 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
29C040
4 Megabit (512K x 8) 5-volt Only 256-Byte Sector CMOS Flash Memory
Atmel Corporation
29C040 Datasheet PDF : 11 Pages
1
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3
4
5
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7
8
9
10
AC Byte Load Characteristics
Symbol
Parameter
Min
t
AS
, t
OES
Address, OE Set-up Time
10
t
AH
Address Hold Time
50
t
CS
Chip Select Set-up Time
0
t
CH
Chip Select Hold Time
0
t
WP
Write Pulse Width (WE or CE)
90
t
DS
Data Set-up Time
50
t
DH
, t
OEH
Data, OE Hold Time
10
t
WPH
Write Pulse Width High
100
AC Byte Load Waveforms
(1)
WE Controlled
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
CE Controlled
Note: 1. A complete sector (256-bytes) should be loaded using the waveforms shown in these byte load waveform diagrams.
4-170
AT29C040A
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