AT45DB021B-CC View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT45DB021B-CC' PDF : 32 Pages View PDF
8.2 AC Characteristics
Symbol Parameter
fSCK
SCK Frequency
fCAR
SCK Frequency for Continuous Array Read
tWH
SCK High Time
tWL
SCK Low Time
tCS
Minimum CS High Time
tCSS
CS Setup Time
tCSH
CS Hold Time
tCSB
CS High to RDY/BUSY Low
tSU
Data In Setup Time
tH
Data In Hold Time
tHO
Output Hold Time
tDIS
Output Disable Time
tV
Output Valid
tXFR
Page to Buffer Transfer/Compare Time
tEP
Page Erase and Programming Time
tP
Page Programming Time
tPE
Page Erase Time
tBE
Block Erase Time
tRST
RESET Pulse Width
tREC
RESET Recovery Time
8.3 Input Test Waveforms and Measurement Levels
AC
DRIVING
LEVELS
tR, tF < 3 ns (10% to 90%)
2.4V
0.45V
8.4 Output Test Load
DEVICE
UNDER
TEST
Min
Max
20
20
22
22
250
250
250
200
5
10
0
18
20
250
20
14
8
12
10
1
2.0 AC
MEASUREMENT
0.8 LEVEL
30 pF
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ms
ms
ms
ms
µs
µs
14 AT45DB021B
1937J–DFLSH–9/05
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