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AT45DB021D Datasheet(PDF) 35 Page - ATMEL Corporation

Part # AT45DB021D
Description  2-megabit 2.7-volt Minimum DataFlash
PDF  54 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB021D Datasheet(HTML) 35 Page - ATMEL Corporation

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35
3638I–DFLASH–04/09
AT45DB021D
Table 18-4.
AC Characteristics – RapidS/Serial Interface
Symbol
Parameter
Min
Typ
Max
Units
fSCK
SCK Frequency
66
MHz
fCAR1
SCK Frequency for Continuous Array Read
66
MHz
fCAR2
SCK Frequency for Continuous Array Read (Low Frequency)
33
MHz
tWH
SCK High Time
6.8
ns
tWL
SCK Low Time
6.8
ns
tSCKR
(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
tCSS
CS Setup Time
5
ns
tCSH
CS Hold Time
5
ns
tSU
Data In Setup Time
2
ns
tH
Data In Hold Time
3
ns
tHO
Output Hold Time
0
ns
tDIS
Output Disable Time
27
35
ns
tV
Output Valid
6ns
tWPE
WP Low to Protection Enabled
1
µs
tWPD
WP High to Protection Disabled
1
µs
tEDPD
CS High to Deep Power-down Mode
3
µs
tRDPD
CS High to Standby Mode
35
µs
tXFR
Page to Buffer Transfer Time
200
µs
tcomp
Page to Buffer Compare Time
200
µs
tEP
Page Erase and Programming Time (256/264 bytes)
14
35
ms
tP
Page Programming Time (256/264 bytes)
2
4
ms
tPE
Page Erase Time (256/264 bytes)
13
32
ms
tBE
Block Erase Time (2,048/2,112 bytes)
15
35
ms
tSE
Sector Erase Time (32,768/33,792 bytes)
0.8
2.5
s
tCE
Chip Erase Time
3.6
6
s
tRST
RESET Pulse Width
10
µs
tREC
RESET Recovery Time
1µs



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