DS28EA00U+ Maxim Integrated Products, DS28EA00U+ Datasheet - Page 15

• Manufacturer Part Number: DS28EA00U+
• Description: IC THERMOMETER 1-WIRE 8-USOP
• Manufacturer: Maxim Integrated Products

Specifications of DS28EA00U+

• Function: Thermometer, Thermostat
• Topology: Register Bank, Scratchpad
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 85°C
• Output Type: Digital
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 9c. Control Function Flowchart
FROM FIGURE 9b
TO FIGURE 9b
DS28EA00 STARTS RECALL
EEPROM TO SCRATCHPAD
MASTER Tx RESET?
RECALL EEPROM?
______________________________________________________________________________________
MASTER Rx "0"s
MASTER Rx "1"s
MASTER Rx "1"s
COMPLETED?
RECALL
B8h
Y
N
N
*SEE THE COMMAND DESCRIPTION FOR THE EXACT TIMING OF THE PIO PIN SAMPLING AND UPDATING.
N
Y
Y
1-Wire Digital Thermometer with
DS28EA00 SAMPLES
MASTER Tx RESET?
BUS MASTER Rx
PIO PIN STATUS
PIO ACCESS
PIO PIN
READ?
F5h
Y
Y
Sequence Detect and PIO
N
N
*
N
BUS MASTER Tx INVERTED NEW
BUS MASTER Tx NEW PIO
PIO OUTPUT DATA BYTE
DS28EA00 SAMPLES
DS28EA00 UPDATES
CONFIRMATION AAh
OUTPUT DATA BYTE
MASTER Tx RESET?
BUS MASTER Rx
BUS MASTER Rx
PIO PIN STATUS
TRANSMISSION
PIO ACCESS
WRITE?
PIO PIN
A5h
OK?
PIO
Y
Y
Y
N
N
*
*
BUS MASTER Rx "1"s
MASTER Tx RESET?
Y
FROM FIGURE 9d
TO FIGURE 9d
N
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