AT49F040T Datasheet, PDF (7/12 Pages) ATMEL Corporation – 4-Megabit (512K x 8) 5-volt Only CMOS Flash Memory

AC Byte Load Characteristics
Symbol
Parameter
Min
t_AS, t_OES
Address, OE Set-up Time
0
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
0
t_WPH
Write Pulse Width High
90
AC Byte Load Waveforms
WE Controlled
AT49F040/040T
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
CE Controlled
7