AT45DB321E-SHF-B View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
AT45DB321E-SHF-B
Unspecified
'AT45DB321E-SHF-B' PDF : 72 Pages View PDF
18.4 AC Characteristics
Symbol
Parameter
Min
fSCK
fCAR1
fCAR2
SCK Frequency
SCK Frequency for Continuous Read (0x0B)
SCK Frequency for Continuous Read (0x03)
(Low Frequency)
fCAR3
SCK Frequency for Continuous Read
(Low Power Mode – 01h Opcode)
fCAR4
SCK Frequency for Continuous Read (0x1B)
tWH
SCK High Time
4
tWL
SCK Low Time
4
tSCKR(1)
SCK Rise Time, Peak-to-peak
0.1
tSCKF(1)
SCK Fall Time, Peak-to-peak
0.1
tCS
Minimum CS High Time
20
tCSS
CS Setup Time
5
tCSH
CS Hold Time
5
tSU
Data In Setup Time
2
tH
Data In Hold Time
1
tHO
Output Hold Time
0
tDIS
Output Disable Time
tV
Output Valid
tWPE
WP Low to Protection Enabled
tWPD
WP High to Protection Disabled
tLOCK
Freeze Sector Lockdown Time (from CS High)
tEUDPD
CS High to Ultra-Deep Power-Down
tCSLU
Minimum CS Low Time to Exit Ultra-Deep Power-Down
20
tXUDPD
Exit Ultra-Deep Power-Down Time
tEDPD
CS High to Deep Power-Down
tRDPD
Resume from Deep Power-Down Time
tXFR
Page to Buffer Transfer Time
tCOMP
Page to Buffer Compare Time
tRST
RESET Pulse Width
10
tREC
RESET Recovery Time
tSWRST
Software Reset Time
Note: 1. Values are based on device characterization, not 100% tested in production.
Max
70
85
50
15
104
6
7
1
1
100
4
180
2
35
200
200
1
35
Units
MHz
MHz
MHz
MHz
MHz
ns
ns
V/ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
μs
μs
μs
ns
μs
μs
μs
μs
μs
μs
μs
μs
AT45DB321E 48
8784E–DFLASH–10/2013
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