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Maxim Integrated Semiconductor Electronic Components Datasheet

DS25LV02 Datasheet

Low-Voltage 1024-Bit EPROM

No Preview Available !

www.maxim-ic.com
GENERAL DESCRIPTION
The DS25LV02 provides data storage and serial
number identification for battery packs. The low-
voltage Dallas 1-WireÒ 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
wwwan.DdattaeSmhpeeetr4aUtu.croemparameters, 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.
APPLICATIONS
Cell Phones/Smartphones
Digital Cameras
MP3 Players
TYPICAL APPLICATION CIRCUIT
DS25LV02
Low-Voltage 1024-Bit EPROM
FEATURES
§ 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 VDD as Low as 2.2V
§ Tiny, Thin SOT-23 Package
PIN CONFIGURATION
TOP VIEW
5-Pin Thin-SOT (TSOT)
ORDERING INFORMATION
PART
TEMP RANGE PIN-PACKAGE
DS25LV02R+U -30°C to +85°C
DS25LV02R+T&
R
-30°C to +85°C
+Denotes lead-free package.
5 Thin SOT
5 Thin SOT in
Tape-and-Reel
1-Wire is a registered trademark of Dallas Semiconductor.
Certain commands, modes, and registers are capitalized for
clarity.
1 of 17
051106


Maxim Integrated Semiconductor Electronic Components Datasheet

DS25LV02 Datasheet

Low-Voltage 1024-Bit EPROM

No Preview Available !

ABSOLUTE MAXIMUM RATINGS
Voltage Range on DQ, Relative to VSS
Voltage Range on VDD, Relative to VSS
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
DS25LV02: Low-Voltage 1024-Bit EPROM
-0.3V to +12V
-0.3V to +6V
-30°C to +85°C
-55°C to +125°C
See IPC/JEDEC J-STD-020A Specification
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.
RECOMMENDED DC OPERATING CONDITIONS
(2.2V £ VDD £ 5.5V, TA = -30°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage
VDD (Notes 1, 2)
2.2 5.5 V
wwwD.DaatataPShineeCto4mU.mcoumnication Voltage
VDQ (Note 1)
-0.3 +5.5 V
Data Pin Programming Voltage
VPP (Notes 1, 2, 5)
11.5 12.0 V
DC ELECTRICAL CHARACTERISTICS
(2.2V £ VDD £ 5.5V, TA = -30°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
Supply Current
IDD0 DQ Idle (Note 4)
IDD1 Communication mode, DQ active
Input-Logic High: DQ
VIH (Note 1)
Input-Logic Low: DQ (Note 1)
VDD 2.5V
VIL
MIN
1.5
Output-Logic Low: DQ
Pulldown Current: DQ
VOL IOL = 4mA (Note 1)
IPD
TYP MAX UNITS
0.8 2
300
mA
V
0.6
V
0.4
0.4 V
0.5 mA
EPROM RELIABILITY SPECIFICATION
(2.2V £ VDD £ 5.5V, TA = -30°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
Storage
tEES (Notes 2, 3)
MIN TYP MAX UNITS
10 Years
2 of 17


Part Number DS25LV02
Description Low-Voltage 1024-Bit EPROM
Maker Maxim Integrated Products
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DS25LV02 Datasheet PDF






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