AT49BV040 ATMEL Corporation, AT49BV040 Datasheet - Page 8

• Manufacturer Part Number: AT49BV040
• Description: 4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory
• Manufacturer: ATMEL Corporation

Program Cycle Characteristics
Program Cycle Waveforms
Chip Erase Cycle Waveforms
Note:
8
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
OE must be high only when WE and CE are both low.
AT49BV/LV040
Parameter
Byte Programming Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Erase Cycle Time
Min
100
100
200
200
0
0
Typ
30
Max
50
10
seconds
Units
ns
ns
ns
ns
ns
ns
s