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AT45DB021B 数据表(PDF) 13 Page - ATMEL Corporation

部件名 AT45DB021B
功能描述  2-megabit 2.7-volt Only DataFlash
PDF  33 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT45DB021B 数据表(HTML) 13 Page - ATMEL Corporation

Back Button AT45DB021B Datasheet HTML 9Page - ATMEL Corporation AT45DB021B Datasheet HTML 10Page - ATMEL Corporation AT45DB021B Datasheet HTML 11Page - ATMEL Corporation AT45DB021B Datasheet HTML 12Page - ATMEL Corporation AT45DB021B Datasheet HTML 13Page - ATMEL Corporation AT45DB021B Datasheet HTML 14Page - ATMEL Corporation AT45DB021B Datasheet HTML 15Page - ATMEL Corporation AT45DB021B Datasheet HTML 16Page - ATMEL Corporation AT45DB021B Datasheet HTML 17Page - ATMEL Corporation Next Button
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13
AT45DB021B
1937F–DFLSH–10/02
AC Characteristics
Symbol
Parameter
Min
Max
Units
fSCK
SCK Frequency
20
MHz
fCAR
SCK Frequency for Continuous Array Read
20
MHz
t
WH
SCK High Time
22
ns
t
WL
SCK Low Time
22
ns
t
CS
Minimum CS High Time
250
ns
tCSS
CS Setup Time
250
ns
tCSH
CS Hold Time
250
ns
tCSB
CS High to RDY/BUSY Low
200
ns
t
SU
Data In Setup Time
5
ns
t
H
Data In Hold Time
10
ns
t
HO
Output Hold Time
0
ns
tDIS
Output Disable Time
18
ns
tV
Output Valid
20
ns
tXFR
Page to Buffer Transfer/Compare Time
250
µs
t
EP
Page Erase and Programming Time
20
ms
t
P
Page Programming Time
14
ms
t
PE
Page Erase Time
8ms
tBE
Block Erase Time
12
ms
tRST
RESET Pulse Width
10
µs
tREC
RESET Recovery Time
1
µs



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