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DS2433 Datasheet

  • DS2433

  • 4k-Bit 1-WireTM Eeprom

  • Dallas   Dallas

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PRELIMINARY
DS2433
4k-Bit 1-Wire
TM
EEPROM
www.dalsemi.com
FEATURES
摟
4096 bits Electrically Erasable Programmable
Read Only Memory (EEPROM)
摟
Unique, factory-lasered and tested 64-bit
registration number (8-bit family code + 48-
bit serial number + 8-bit CRC tester) assures
absolute identity because no two parts are
alike
摟
Built-in multidrop controller ensures
compatibility with other MicroLAN products
摟
Memory partitioned into sixteen 256-bit pages
for packetizing data
摟
256-bit scratchpad with strict read/write
protocols ensures integrity of data transfer
摟
Reduces control, address, data and power to a
single data pin
摟
Directly connects to a single port pin of a
microprocessor and communicates at up to
16.3k bits per second
摟
Overdrive mode boosts communication speed
to 142k bits per second
摟
8-bit family code specifies DS2433
communication requirements to reader
摟
Presence detector acknowledges when reader
first applies voltage
摟
Low cost PR-35 or 8-pin SOIC surface mount
package
摟
Reads and writes over a wide voltage range of
2.8V to 6.0V from -40擄C to +85擄C
PIN ASSIGNMENT
NC
NC
DATA
GND
1
2
3
4
8
7
6
5
NC
NC
NC
NC
8-PIN SOIC (208 MIL)
1
2
3
1 2
3
PR-35
BOTTOM VIEW
PIN DESCRIPTION
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5-8
PR-35
Ground
Data
NC
--
--
SOIC
NC
NC
Data
Ground
NC
ORDERING INFORMATION
DS2433
DS2433S
DS2433T
DS2433Y
DS2433X
PR-35 package
8-pin SOIC package
Tape & Reel version of DS2433
Tape & Reel version of DS2433S
Chip Scale Pkg., Tape & Reel
SILICON LABEL DESCRIPTION
The DS2433 4K-bit 1-Wire EEPROM identifies and stores relevant information about the product to
which it is associated. This lot or product specific information can be accessed with minimal interface,
for example a single port pin of a microcontroller. The DS2433 consists of a factory-lasered registration
number that includes a unique 48-bit serial number, an 8-bit CRC, and an 8-bit Family Code (23h) plus
4096 bits of user-programmable EEPROM. The power to read and write the DS2433 is derived entirely
1 of 19
062299

DS2433 產(chǎn)品屬性

  • Maxim Integrated Products

  • 4 Kbit

  • 16 Pages x 256

  • 3.3 V, 5 V

  • + 85 C

  • PR35

  • 1-Wire Serial

  • - 40 C

  • 6 V

  • 2.8 V

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