AT45DB321C-TC(2004) 查看數據表（PDF） - Atmel Corporation
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AT45DB321C-TC Datasheet PDF : 37 Pages
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AT45DB321C [Preliminary]
AC Characteristics – Serial Interface
Symbol
Parameter
Min
Typ
Max
fSCK(1)
SCK Frequency
40
fCAR(1)
SCK Frequency for Continuous Array Read
40
tWH
SCK High Time
10
tWL
SCK Low Time
10
tCS
Minimum CS High Time
250
tCSS
CS Setup Time
250
tCSH
CS Hold Time
250
tCSB
CS High to RDY/BUSY Low
150
tSU
Data In Setup Time
3
tH
Data In Hold Time
6
tHO
Output Hold Time
0
tDIS
Output Disable Time
10
tV
Output Valid
12
tXFR
tEP(2)
tP(2)
tPE(2)
tBE(2)
Page to Buffer Transfer Time
Page Erase and Programming Time
Page Programming Time
Page Erase Time
Block Erase Time
250
20
50
14
10
40
30
60
tRST
RESET Pulse Width
10
tREC
RESET Recovery Time
1
tWPE
WP Low to Protection Enabled
1
tWPD
WP High to Protection Disabled
1
Note: 1. Maximum specified frequency for SPI compatibility is 33 MHz.
2. Value are based on device characterization, not 100% tested in production.
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ms
ms
ms
ms
µs
µs
µs
µs
19
3387B–DFLSH–9/04
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