AT49F040A ATMEL Corporation, AT49F040A Datasheet - Page 11
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AT49F040A
Manufacturer Part Number
AT49F040A
Description
4-megabit (512K x 8) 5-volt Only Flash Memory
Manufacturer
ATMEL Corporation
Datasheet
1.AT49F040A.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT49F040A-70JI
Manufacturer:
TI/NSC
Quantity:
4 300
Part Number:
AT49F040A-70JI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
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Part Number:
AT49F040A-70JU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT49F040A-70TI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Data Polling Characteristics
Notes:
Data Polling Waveforms
Toggle Bit Characteristics
Notes:
Toggle Bit Waveforms
Notes:
3359B–FLASH–10/04
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. The t
2. Beginning and ending state of I/O6 will vary.
3. Any address location may be used but the address should not vary.
input(s).
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
OE
OE
spec in AC Read Characteristics.
spec in AC Read Characteristics.
I/O6
WE
CE
OE
WE
CE
OE
I/O7
A0-A18
t
DH
(2)
(2)
(1)(2)(3)
(1)
(1)
t
t
OEH
DH
t
OEH
t
OE
t
OE
An
HIGH Z
An
HIGH Z
t
OEHP
An
Min
Min
10
10
10
10
50
0
0
OEHP
An
specification must be met by the toggling
An
Typ
Typ
t
WR
t
WR
AT49F040A
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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