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Features
* * * * *
MultiMediaCard (MMC) Form Factor Single 2.7V to 3.6V Supply 40 MHz Max Clock Frequency Serial Peripheral Interface (SPI) Compatible Low Power Dissipation - 10mA Active Read Current Typical - 6A CMOS Standby Current Typical * Industrial Temperature Range * Pb-free/RoHS-compliant Package
1. Description
The AT45DCB004C is 2.7-volt SPI compatible serial interface DataFlash(R) Card. This 7-pin card is 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 AT45DB321C DataFlash datasheet.
4-megabyte 2.7-volt DataFlash(R) Card AT45DCB004C
Table 1-1.
Pin 1 2 3 4 5 6 7
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
3577C-DFLASH-04/06
2. Ordering Information
fSCK (MHz) 40 Note: ICC (mA) Active 15 Standby 0.015 Ordering Code AT45DCB004C 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
AT45DCB004C
3577C-DFLASH-04/06
AT45DCB004C
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
3577C-DFLASH-04/06
4. Revision History
Revision Level - Revision Date A - June 2005 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
AT45DCB004C
3577C-DFLASH-04/06
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Printed on recycled paper.
3577C-DFLASH-04/06

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