at49bv002nt-90pi ATMEL Corporation, at49bv002nt-90pi Datasheet - Page 10

• Manufacturer Part Number: at49bv002nt-90pi
• Description: At49bv002 2-megabit 256k X 8 Single 2.7-volt Battery-voltage Flash Memory
• Manufacturer: ATMEL Corporation

AC Byte Load Characteristics
AC Byte Load Waveforms
WE Controlled
CE Controlled
10
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
WPH
, t
, t
OES
OEH
AT49BV/LV002(N)(T)
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
ADDRESS
ADDRESS
DATA IN
DATA IN
WE
WE
OE
OE
CE
CE
t
t
OES
t
t
t
OES
t
AS
CS
CS
AS
t
t
AH
AH
t
t
WP
WP
t
t
DS
DS
t
t
OEH
t
OEH
t
CH
CH
t
t
t
t
DH
DH
Min
WPH
WPH
90
70
90
70
0
0
0
0
Max
0982D–FLASH–02/03
Units
ns
ns
ns
ns
ns
ns
ns
ns