DS1624 Maxim Integrated Products, DS1624 Datasheet - Page 12

• Manufacturer Part Number: DS1624
• Description: IC THERM/EEPROM DIG 256BYTE 8DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1624

• Function: Thermometer, Thermostat
• Topology: EEPROM, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: 2-Wire Serial
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Full Temp Accuracy: +/- 0.5 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Digital Output - Number Of Bits: 13 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

{Command protocol for writing to EEPROM}
{Start here}
{Command protocol for reading from EEPROM}
{Start here}
BUS MASTER
MODE
RX
RX
RX
RX
RX
RX
RX
RX
RX
RX
RX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
TX
.
.
.
.
DS1624
MODE
RX
RX
RX
RX
RX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
RX
TX
RX
TX
RX
TX
RX
TX
TX
RX
.
.
.
.
DATA (MSB
<cadr,0>
<cadr,0>
<cadr,1>
FIRST)
START
<madr>
START
<madr>
START
NACK
<data>
<data>
<data>
<data>
STOP
STOP
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACK
17h
17h
.
.
.
.
12 of 17
Bus Master sends “NO
ACKNOWLEDGE” bit.
Bus Master initiates the STOP condition.
Bus Master initiates a Start condition.
Bus Master sends DS1624 address;
R/
DS1624 generates acknowledge bit.
Bus Master sends Access Memory
command protocol.
DS1624 generates acknowledge bit.
Bus Master sets the starting memory
address.
DS1624 generates acknowledge bit.
Bus Master sends the first byte of data.
DS1624 generates acknowledge bit.
Bus Master sends the second byte of data.
DS1624 generates acknowledge bit.
.
.
.
.
Bus Master sends the n-th byte of data.
DS1624 generates acknowledge bit.
Bus Master initiates the STOP condition.
Bus Master initiates a Start condition.
Bus Master sends DS1624 address;
R/
DS1624 generates acknowledge bit.
Bus Master sends Access Memory
command protocol.
DS1624 generates acknowledge bit.
Bus Master sends the starting memory
address.
DS1624 generates acknowledge bit.
Bus Master initiates a Repeated Start
condition.
Bus Master sends DS1624 address;
R/
DS1624 generates acknowledge bit.
DS1624 sends the first byte of data.
Bus Master generates acknowledge bit.
W
W
W
=0;
=0;
=1;
COMMENTS
NOTES
2, 4
DS1624
1
1
3