AT45DCB008/004/002 - Mature

Features
•
•
•
•
•
MultiMediaCard (MMC) Form Factor
Single 2.7V to 3.6V Supply
20 MHz Max Clock Frequency
Serial Peripheral Interface (SPI) Compatible
Low Power Dissipation
– 4 mA Active Read Current Typical
– 2 µA CMOS Standby Current Typical
• Industrial Temperature Range
• Pb-free/RoHS-compliant Package
1. Description
The AT45DCB008, AT45DCB004 and AT45DCB002 are 2.7-volt only SPI compatible
serial interface DataFlash® Cards. They are offered in 8-megabyte (64-Mbit), 4-megabyte (32-Mbit) and 2-megabyte (16-Mbit) densities. These 7-pin cards are form factor
compatible to the MultiMediaCard standard leveraging on a wide range of low cost
connectors that are commercially available. Additionally, the DataFlash Card is pinout
compatible to the SPI version of the MMC card.
The small form factor and simple interface make the DataFlash Card ideal for a wide
variety of data- and program code-storage applications where a removable storage
medium is required. Applications range from voice/audio, text or image storage to
software applications, system upgrades and software patches.
For detailed device specifications, please refer to the corresponding DataFlash
datasheets:
8-megabyte,
4-megabyte,
and 2-megabyte
2.7-volt Only
DataFlash®
Cards
AT45DCB008
AT45DCB004
AT45DCB002
• AT45DCB008 reference AT45DB642
• AT45DCB004 reference AT45DB321B
• AT45DCB002 reference AT45DB161B
Table 1-1.
Pin Configuration
Pin #
Pin Name
Function
1
CS
Chip Select
2
SI
Serial Input
3
GND
Ground
4
VCC
Supply
5
SCK
Serial Clock
6
NC
No Connect
7
SO
Serial Output
Figure 1-1.
DataFlash Card - Top View
7 6 5 4 3 2 1
3257C–DFLASH–04/06
2. Ordering Information
ICC (mA)
fSCK
(MHz)
Active
Standby
Ordering Code
Package
Operation Range
20
10
0.01
AT45DCB008
AT45DCB004
AT45DCB002
7DF1(1)
Industrial
(-40°C to 85°C)
Note:
1. The 7DF1 is a Pb-free/RoHS-compliant package.
Package Type
7DF1
2
7-lead, 2.5 mm Pitch 24 x 32 x 1.4 mm Body DataFlash Card
AT45DCB008/004/002
3257C–DFLASH–04/06
AT45DCB008/004/002
3. Packaging Information
3.1
7DF1 – DataFlash Card
E2
A
LABEL AREA
D
D1
3XR1.0
E1
SIDE VIEW
R0.25 ALL AROUND
E
TOP VIEW
COMMON DIMENSIONS
(Unit of Measure = mm)
E3
e
B
G
SYMBOL
MIN
NOM
MAX
A
1.30
1.40
1.50
B
2.40 TYP
C
1234567
D
C
4.00 TYP
31.90
D1
E
F
BOTTOM VIEW
NOTE
32.00
32.10
28.00 REF
23.90
24.00
E1
22.00 REF
E2
20.00 REF
E3
15.00 TYP
F
11.20 REF
G
8.13 TYP
e
2.50 TYP
24.10
11/10/05
R
2325 Orchard Parkway
San Jose, CA 95131
TITLE
7DF1, 7-pad, 2.5 mm Pitch 24 x 32 x 1.4 mm Body DataFlash Card
DRAWING NO.
7DF1
REV.
B
3
3257C–DFLASH–04/06
4. Revision History
4
Revision Level – Revision Date
History
A – November 2001
Initial release
B – March 2006
Added text to indicate that DataFlash cards are Pb-free
C – April 2006
Added text to indicate that DataFlash cards are RoHS compliant
AT45DCB008/004/002
3257C–DFLASH–04/06
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3257C–DFLASH–04/06
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