Manual

MAX6654
1°C Accurate Remote/Local Temperature
Sensor with SMBus Serial Interface
_______________________________________________________________________________________ 7
Figure 1. Functional Diagram
REMOTE
MUX
LOCAL
REMOTE TEMPERATURE
DATA REGISTER
HIGH-TEMPERATURE THRESHOLD
(REMOTE T
HIGH
)
LOW-TEMPERATURE THRESHOLD
(REMOTE T
LOW
)
DIGITAL COMPARATOR
(REMOTE)
LOCAL TEMPERATURE
DATA REGISTER
HIGH-TEMPERATURE THRESHOLD
(LOCAL T
HIGH)
LOW-TEMPERATURE THRESHOLD
(LOCAL T
LOW
)
DIGITAL COMPARATOR
(LOCAL)
COMMAND BYTE
(INDEX) REGISTER
SMBDATA
SMBCLK
ADDRESS
DECODER
READ WRITE
CONTROL
LOGIC
SMBus
ADD1ADD0STBY
STATUS BYTE REGISTER
CONFIGURATION
BYTE REGISTER
CONVERSION RATE
REGISTER
ALERT RESPONSE
ADDRESS REGISTER
SELECTED VIA SLAVE ADD = 0001 100
ADC
+
DIODE FAULT
DXP DXN GND
V
CC
- -
+ -
8
8
8
8
8
8
88
2
7
ALERT
QS
R
MAX6654