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AT45DB021D-MU 数据表(PDF) 34 Page - ATMEL Corporation

部件名 AT45DB021D-MU
功能描述  2-megabit 2.7-volt DataFlash
PDF  52 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT45DB021D-MU 数据表(HTML) 34 Page - ATMEL Corporation

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34
3638B–DFLASH–02/07
AT45DB021D [Preliminary]
Table 18-4.
AC Characteristics – RapidS/Serial Interface
Symbol
Parameter
Min
Typ
Max
Units
f
SCK
SCK Frequency
66
MHz
fCAR1
SCK Frequency for Continuous Array Read
66
MHz
f
CAR2
SCK Frequency for Continuous Array Read (Low Frequency)
33
MHz
tWH
SCK High Time
6.8
ns
tWL
SCK Low Time
6.8
ns
t
SCKR
(1)
SCK Rise Time, Peak-to-Peak (Slew Rate)
0.1
V/ns
tSCKF
(1)
SCK Fall Time, Peak-to-Peak (Slew Rate)
0.1
V/ns
tCS
Minimum CS High Time
50
ns
t
CSS
CS Setup Time
5
ns
tCSH
CS Hold Time
5
ns
tSU
Data In Setup Time
2
ns
t
H
Data In Hold Time
3
ns
tHO
Output Hold Time
0
ns
tDIS
Output Disable Time
6ns
t
V
Output Valid
6ns
tWPE
WP Low to Protection Enabled
1
µs
tWPD
WP High to Protection Disabled
1
µs
t
EDPD
CS High to Deep Power-down Mode
3
µs
tRDPD
CS High to Standby Mode
30
µs
t
XFR
Page to Buffer Transfer Time
400
µs
t
comp
Page to Buffer Compare Time
400
µs
tEP
Page Erase and Programming Time (256/264 bytes)
14
35
ms
t
P
Page Programming Time (256/264 bytes)
2
4
ms
t
PE
Page Erase Time (256/264 bytes)
13
32
ms
tBE
Block Erase Time (2,048/2,112 bytes)
15
35
ms
t
SE
Sector Erase Time (32,768/33,792 bytes)
0.8
2.5
s
t
CE
Chip Erase Time
TBD
TBD
s
tRST
RESET Pulse Width
10
µs
t
REC
RESET Recovery Time
1µs



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