DS2430A
256-Bit 1-Wire EEPROM
www.maxim-ic.com
FEATURES
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PIN ASSIGNMENT
256-bit Electrically Erasable Programmable
Read Only Memory (EEPROM) plus 64-bit
one-time programmable application register
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
Built-in multidrop controller ensures
compatibility with other MicroLAN products
EEPROM organized as one page of 32 bytes
for random access
Reduces control, address, data, and power to a
single data pin
Directly connects to a single port pin of a
microprocessor and communicates at up to
16.3kbits per second
8-bit family code specifies DS2430A
communication requirements to reader
Presence detector acknowledges when reader
first applies voltage
Low cost TO-92 or 6-pin TSOC surface mount
package
Reads and writes over a wide voltage range of
2.8V to 6.0V from -40°C to +85°C
ORDERING INFORMATION
DS2430A
DS2430AP
DS2430A/T&R
DS2430AP/T&R
DS2430AX
DS2430AX-S
TO-92 package
6-pin TSOC package
Tape & Reel version of
DS2430A
Tape & Reel version of
DS2430AP
Chip Scale Pkg., 10k Tape
& Reel
Chip Scale Pkg., 2.5k Tape
& Reel
TO-92
DALLAS
DS2430A
TSOC PACKAGE
1
2
3
6
5
4
TOP VIEW
3.7mm x 4.0mm x 1.5mm
1
2
SIDE VIEW
3
See Mech.
Drawing Section
1 2 3
BOTTOM VIEW
See Mech.
Drawings Section
PIN DESCRIPTION
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
1 of 16
TO-92
Ground
Data
NC
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TSOC
Ground
Data
NC
NC
NC
022002
