at49f020-90ti ATMEL Corporation, at49f020-90ti Datasheet - Page 6

• Manufacturer Part Number: at49f020-90ti
• Description: 2-megabit 256k X 8 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

AC Byte Load Characteristics
AC Byte Load Waveforms
WE Controlled
CE Controlled
6
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
WPH
, t
, t
OES
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
AT49F020
Min
50
90
50
90
0
0
0
0
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns