DS2430A Maxim Integrated Products, DS2430A Datasheet - Page 15

• Manufacturer Part Number: DS2430A
• Description: IC EEPROM 256BIT TO92-3
• Manufacturer: Maxim Integrated Products

Specifications of DS2430A

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 256 (32 x 8)
• Interface: 1-Wire Serial
• Operating Temperature: -40°C ~ 85°C
• Package / Case: TO-92-3 (Standard Body), TO-226
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Supply: -
• Speed: -

MEMORY FUNCTION EXAMPLE
Example: Write 2 data bytes to data memory locations 0006h and 0007h. Read entire data memory.
MASTER MODE
RX
RX
RX
RX
RX
RX
RX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
DATA (LSB FIRST)
<Data Line High>
<2 Data Bytes>
<2 Data Bytes>
<32 Bytes>
Presence
Presence
Presence
Presence
Presence
Reset
Reset
Reset
Reset
Reset
AAh
CCh
CCh
CCh
CCh
A5h
0Fh
F0h
06h
06h
55h
00h
Reset pulse (480µs to 960µs)
Presence pulse
Issue “Skip ROM” command
Issue “Write Scratchpad” command
Start address = 06h
Write 2 bytes of data to scratchpad
Reset pulse
Presence pulse
Issue “Skip ROM” command
Issue “Read Scratchpad” command
Start address = 06h
Read scratchpad data and verify
Reset pulse
Presence pulse
Issue “Skip ROM” command
Issue “Copy Scratchpad” command
Validation key
Data line must be above V
Reset pulse
Presence pulse
Issue “Skip ROM” command
Issue “Read Memory” command
Start address = 00h
Read EEPROM data page
Reset pulse
Presence pulse
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COMMENTS
PUPmin
for t
PROG
.
DS2430A