AT49F040A ATMEL Corporation, AT49F040A Datasheet - Page 9
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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:
20 000
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
AC Byte Load Characteristics
AC Byte Load Waveforms
WE Controlled
CE Controlled
3359B–FLASH–10/04
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
WPH
, t
, t
OES
OEH
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
t
OEH
OEH
t
CH
CH
Min
t
t
t
t
25
20
20
20
DH
DH
WPH
0
0
0
0
WPH
Max
AT49F040A
Units
ns
ns
ns
ns
ns
ns
ns
ns
9