DS28EA00U+ Maxim Integrated Products, DS28EA00U+ Datasheet - Page 6

• 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

1-Wire Digital Thermometer with
Sequence Detect and PIO
Figure 1. Hierarchical Structure for 1-Wire Protocol
6
_______________________________________________________________________________________
CONTROL FUNCTION COMMANDS
FUNCTION COMMANDS
COMMAND LEVEL:
DS28EA00-SPECIFIC
(SEE FIGURE 11)
(SEE FIGURE 9)
PIOB (EN)
1-Wire ROM
V
DD
IO
DS28EA00
CONFIGURATION
ALARM AND
REGISTERS
REGISTRATION
AVAILABLE COMMANDS:
READ ROM
MATCH ROM
SEARCH ROM
CONDITIONAL SEARCH ROM
CONDITIONAL READ ROM
SKIP ROM
OVERDRIVE-SKIP ROM
OVERDRIVE-MATCH ROM
WRITE SCRATCHPAD
READ SCRATCHPAD
COPY SCRATCHPAD
CONVERT TEMPERATURE
READ POWER MODE
RECALL EEPROM
PIO ACCESS READ
PIO ACCESS WRITE
CHAIN
NUMBER
64-BIT
GENERATOR
8-BIT CRC
POWER-SUPPLY
SCRATCHPAD
1-Wire ROM
FUNCTION
FUNCTION
CONTROL
CONTROL
SENSOR
DEVICE
64-BIT
DS28EA00
DATA FIELD AFFECTED:
64-BIT ROM
64-BIT ROM
64-BIT ROM
64-BIT ROM, TEMPERATURE ALARM REGISTERS, SCRATCHPAD
64-BIT ROM, PIOB PIN STATE, CHAIN STATE
(NONE)
64-BIT ROM, OD-FLAG
64-BIT ROM, OD-FLAG
SCRATCHPAD
SCRATCHPAD
TEMPERATURE ALARM AND CONFIGURATION REGISTERS
SCRATCHPAD, TEMPERATURE ALARM REGISTERS
V
SCRATCHPAD, TEMPERATURE ALARM, AND CONFIGURATION REGISTERS
PIO PINS
PIO PINS
CHAIN STATE, PIOA PIN STATE
DD
INTERNAL V
PIN VOLTAGE
TEMPERATURE
SENSOR
DD
(ON)
R
CO
PIOA (DONE)
Block Diagram