AT45DB021B-SI Atmel, AT45DB021B-SI Datasheet - Page 14
AT45DB021B-SI
Manufacturer Part Number
AT45DB021B-SI
Description
IC FLASH 2MBIT 20MHZ 8SOIC
Manufacturer
Atmel
Datasheet
1.AT45DB021B-RC.pdf
(32 pages)
Specifications of AT45DB021B-SI
Format - Memory
FLASH
Memory Type
DataFLASH
Memory Size
2M (1024 pages x 264 bytes)
Speed
20MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT45DB021B-SI
Manufacturer:
AD
Quantity:
430
8.2
8.3
8.4
14
Symbol
f
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SCK
CAR
WH
WL
CS
CSS
CSH
CSB
SU
H
HO
DIS
V
XFR
EP
P
PE
BE
RST
REC
AC Characteristics
Input Test Waveforms and Measurement Levels
Output Test Load
AT45DB021B
Parameter
SCK Frequency
SCK Frequency for Continuous Array Read
SCK High Time
SCK Low Time
Minimum CS High Time
CS Setup Time
CS Hold Time
CS High to RDY/BUSY Low
Data In Setup Time
Data In Hold Time
Output Hold Time
Output Disable Time
Output Valid
Page to Buffer Transfer/Compare Time
Page Erase and Programming Time
Page Programming Time
Page Erase Time
Block Erase Time
RESET Pulse Width
RESET Recovery Time
t
R
, t
F
< 3 ns (10% to 90%)
DRIVING
LEVELS
AC
0.45V
2.4V
DEVICE
UNDER
TEST
2.0
0.8
30 pF
Min
250
250
250
22
22
10
10
5
0
AC
MEASUREMENT
LEVEL
Max
200
250
20
20
18
20
20
14
12
8
1
1937J–DFLSH–9/05
Units
MHz
MHz
ms
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
µs