DS28EA00U+ Maxim Integrated Products, DS28EA00U+ Datasheet - Page 21

• 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 11b. ROM Functions Flowchart
TO FIGURE 11a
FROM FIGURE 11a
FROM FIGURE 11a
TO FIGURE 11a
*THE OD FLAG REMAINS AT 1 IF THE DEVICE WAS ALREADY AT OVERDRIVE SPEED BEFORE THE OVERDRIVE-MATCH ROM COMMAND WAS ISSUED.
______________________________________________________________________________________
SERIAL NUMBER
CONDITIONAL
FAMILY CODE
DS28EA00 Tx
DS28EA00 Tx
DS28EA00 Tx
CHAIN = ON?
READ ROM?
EN = LOW?
CRC BYTE
(6 BYTES)
(1 BYTE)
0Fh
Y
Y
Y
N
N
N
1-Wire Digital Thermometer with
COMMAND?
SKIP ROM
CCh
Y
MASTER Tx
RESET?
N
Sequence Detect and PIO
N
OVERDRIVE-
Y
SKIP ROM?
MASTER Tx
RESET?
OD = 1
3Ch
Y
N
Y
N
MASTER Tx BIT 63
MASTER Tx BIT 0
MASTER Tx BIT 1
BIT 63 MATCH?
BIT 0 MATCH?
BIT 1 MATCH?
MATCH ROM?
OVERDRIVE-
OD = 1
69h
Y
Y
Y
Y
N
N
N
N
OD = 0
OD = 0
OD = 0
*
*
*
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