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DS25LV02R Datasheet

  • DS25LV02R

  • Low-Voltage 1024-Bit EPROM

  • 218.63KB

  • 17頁(yè)

  • MAXIM   MAXIM

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DS25LV02
Low-Voltage 1024-Bit EPROM
www.maxim-ic.com
GENERAL DESCRIPTION
The DS25LV02 provides data storage and serial
number identification for battery packs. The low-
voltage Dallas 1-Wire脪 interface enables serial
communication on a single battery contact and the
64-bit unique serial number allows multidrop
networking and identification of individual devices.
The 1024-bit EPROM memory is organized as 4
pages of 32 bytes each and supports storage of
battery cell characteristics, charging voltage, current
and temperature parameters, as well as battery pack
manufacturing data. CRC verification provides data
integrity during communication. The EPROM pages
are in-circuit writable and can be individually locked
to protect data. The DS25LV02 is designed to be
completely backward-compatible with the DS2502 for
existing designs.
FEATURES
摟
摟
摟
摟
摟
摟
摟
128 Bytes of EPROM Storage Organized into
Four Separately Lockable Pages
Backward-Compatible with DS2502
Dallas 1-Wire Interface
Input Logic Thresholds Compatible with 1.8V
I/O Supply Rail
Unique 64-Bit Serial Number
Operates with V
DD
as Low as 2.2V
Tiny, Thin SOT-23 Package
PIN CONFIGURATION
TOP VIEW
APPLICATIONS
Cell Phones/Smartphones
Digital Cameras
MP3 Players
TYPICAL APPLICATION CIRCUIT
5-Pin Thin-SOT (TSOT)
ORDERING INFORMATION
PART
DS25LV02R+U
DS25LV02R+T&
R
TEMP RANGE
PIN-PACKAGE
5 Thin SOT
5 Thin SOT in
Tape-and-Reel
-30擄C to +85擄C
-30擄C to +85擄C
+Denotes lead-free package.
1-Wire is a registered trademark of Dallas Semiconductor.
Certain commands, modes, and registers are capitalized for
clarity.
1 of 17
051106

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