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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 A 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(R) 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: * AT45DCB008 reference AT45DB642 * AT45DCB004 reference AT45DB321B * AT45DCB002 reference AT45DB161B Table 1-1.
Pin # 1 2 3 4 5 6 7
8-megabyte, 4-megabyte, and 2-megabyte 2.7-volt Only DataFlash(R) Cards AT45DCB008 AT45DCB004 AT45DCB002
Pin Configuration
Function Chip Select Serial Input
7654321
Pin Name CS SI GND VCC SCK NC SO
Figure 1-1.
DataFlash Card - Top View
Ground Supply Serial Clock No Connect Serial Output
3257C-DFLASH-04/06
2. Ordering Information
fSCK (MHz) 20 Note: ICC (mA) Active 10 Standby 0.01 Ordering Code AT45DCB008 AT45DCB004 AT45DCB002 Package 7DF1(1) Operation Range Industrial (-40C to 85C)
1. The 7DF1 is a Pb-free/RoHS-compliant package.
Package Type 7DF1 7-lead, 2.5 mm Pitch 24 x 32 x 1.4 mm Body DataFlash Card
2
AT45DCB008/004/002
3257C-DFLASH-04/06
AT45DCB008/004/002
3. Packaging Information
3.1 7DF1 - DataFlash Card
E2
LABEL AREA
A
D D1
3XR1.0
E1
SIDE VIEW
R0.25 ALL AROUND
E
TOP VIEW
E3 e B G
1234567 SYMBOL A B C D D1 E
COMMON DIMENSIONS (Unit of Measure = mm) MIN 1.30 NOM 1.40 2.40 TYP 4.00 TYP 31.90 32.00 28.00 REF 23.90 24.00 22.00 REF 20.00 REF 15.00 TYP 11.20 REF 8.13 TYP 2.50 TYP 24.10 32.10 MAX 1.50 NOTE
C
F
E1 E2
BOTTOM VIEW
E3 F G e
11/10/05 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
R
3
3257C-DFLASH-04/06
4. Revision History
Revision Level - Revision Date A - November 2001 B - March 2006 C - April 2006 History Initial release Added text to indicate that DataFlash cards are Pb-free Added text to indicate that DataFlash cards are RoHS compliant
4
AT45DCB008/004/002
3257C-DFLASH-04/06
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3257C-DFLASH-04/06

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