Manual

8
AT29C040A
0333I–FLASH–05/02
AC Byte Load Waveforms
(1)
WE Controlled
CE Controlled
Note: 1. A complete sector (256 bytes) should be loaded using the waveforms shown in these byte load waveform diagrams.
AC Byte Load Characteristics
Symbol Parameter Min Max Units
t
AS
,t
OES
Address, OE Setup Time 10 ns
t
AH
Address Hold Time 50 ns
t
CS
Chip Select Setup Time 0 ns
t
CH
Chip Select Hold Time 0 ns
t
WP
Write Pulse Width (WE or CE)90ns
t
DS
Data Setup Time 50 ns
t
DH
,t
OEH
Data, OE Hold Time 10 ns
t
WPH
Write Pulse Width High 100 ns