AT49BV002 ATMEL Corporation, AT49BV002 Datasheet - Page 10

• Manufacturer Part Number: AT49BV002
• Description: 2-Megabit 256K x 8 Single 2.7-Volt Battery-Voltage Flash Memory
• Manufacturer: ATMEL Corporation

Data Polling Characteristics
Notes:
DATA Polling Waveforms
Toggle Bit Characteristics
Notes:
Toggle Bit Waveforms
Notes:
10
Symbol
t
t
t
t
Symbol
t
t
t
t
t
DH
OEH
OE
WR
DH
OEH
OE
OEHP
WR
1. These parameters are characterized and not 100% tested.
2. See t
1. These parameters are characterized and not 100% tested.
2. See t
1.
2.
3.
AT49BV/LV002(N)(T)
Toggling either OE or CE or both OE and CE will operate toggle bit.
The t
Beginning and ending state of I/O6 will vary.
Any address location may be used but the address should not vary.
OE
OE
OEHP
spec in AC Read Characteristics.
spec in AC Read Characteristics.
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
OE High Pulse
Write Recovery Time
specification must be met by the toggling input(s).
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
I/O6
WE
CE
OE
WE
CE
OE
I/O7
A0-A17
t
DH
(1)(2)(3)
(2)
(2)
t
OEH
t
DH
t
OEH
t
OE
t
OE
An
HIGH Z
An
HIGH Z
t
OEHP
Min
150
10
10
0
An
Min
10
10
0
An
Typ
Typ
An
t
WR
t
WR
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns