DS1624 Maxim Integrated Products, DS1624 Datasheet - Page 11

• 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

During the programming cycle the DS1624 will not acknowledge any further accesses to the device until
the programming cycle is complete (approximately 10 ms).
MEMORY FUNCTION EXAMPLE
{Command protocol for configuration register}
{Start here}
{Command protocol for Start Convert T}
{Start here}
{Command protocol for reading the Temperature}
{Start here}
BUS MASTER
MODE
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
DS1624
MODE
RX
RX
RX
RX
RX
TX
RX
TX
RX
TX
RX
RX
TX
RX
TX
RX
RX
TX
RX
TX
RX
TX
TX
RX
TX
DATA (MSB
<cadr,0>
<cadr,0>
<cadr,0>
<cadr,1>
FIRST)
START
START
START
START
<data>
<data>
STOP
STOP
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACh
AAh
EEh
00h
11 of 17
Bus Master Initiates a Start condition.
Bus Master sends DS1624 address;
R/
DS1624 generates acknowledge bit.
Bus Master sends Access Config
command protocol.
DS1624 generates acknowledge bit.
Bus Master sets up DS1624 for continuous
conversion.
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 Start Convert T
command protocol.
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 Read Temp command
protocol.
DS1624 generates acknowledge bit.
Bus Master initiates a Repeated Start
condition.
Bus Master sends DS1624 address;
R/
DS1624 generates acknowledge bit.
DS1624 sends the MSB byte of
Temperature.
Bus Master generates acknowledge bit.
DS1624 sends the LSB byte of
Temperature.
W
W
W
W
=”0”;
=0;
=0;
=1;
COMMENTS
NOTES
2, 4
DS1624
1
1
1