at49bv642dt ATMEL Corporation, at49bv642dt Datasheet - Page 22

• Manufacturer Part Number: at49bv642dt
• Description: 64-megabit 4m X 16 3-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

23. Data Polling Characteristics
Notes:
24. Data Polling Waveforms
25. Toggle Bit Characteristics
Notes:
26. Toggle Bit Waveforms
Notes:
22
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. Toggling either OE or CE or both OE and CE will operate toggle bit.
2. Beginning and ending state of I/O6 will vary.
3. Any address location may be used but the address should not vary.
AT49BV642D(T)
The t
OEHP
OE
OE
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
OE High Pulse
Write Recovery Time
spec on
spec on
specification must be met by the toggling input(s).
page
page
A0-A21
I/O7
WE
OE
CE
19.
19.
(2)
(2)
(1)(2)(3)
(1)
Min
10
10
50
0
Min
10
10
0
Typ
Typ
Max
Max
3631A–FLASH–04/06
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns