ASC7511 Datasheet, PDF (4/19 Pages) List of Unclassifed Manufacturers – LOW- OLTAGE 2-WIRE DIGITAL TEMPERATURE SENSOR

aSC7511
Pin Descriptions
Pin #
Name
Direction
Description
1
V_DD
2
D+
Supply
Current
Source
Supply Voltage
Remote Diode Anode or Positive Lead
3
D-
Current Sink Remote Diode Cathode or Negative Lead
4
THERM
Output
Open-drain logic output that may be used to control a fan or throttle CPU
when programmed temperature limit is exceeded.
5
GND
Supply
Ground
6 _{ALERT / THERM2}
Output
Open-drain logic output used as a mask-able interrupt or SMBus alert.
Configurable as second THERM output.
7
SDA
Input/Output Serial Data—Open drain I/0-data pin for two-wire serial interface.
8
SCL
Input
Serial Clock—Clock for two-wire serial interface.
Note: Open-drain pins require a pull-up resistor.
D+ ²
D- ³
Local
Sensor
Local Temp.
ADC
Remote Temp.
Busy
Remote Diode Open
15
VDD VSS
Conversion Rate
Address Pointer
Remote Low Limit
Com-
parator
Remote High Limit
Remote THERM Limit
Local Low Limit
Local High Limit
Local THERM Limit
Status
Remote Offset
Configuration
SMBus Interface
7
SDA
8
4
SCL THERM
Mask
6
ALERT /
THERM2
Figure 1. Block Diagram
© Andigilog, Inc. 2006
-4-
www.andigilog.com
August 2006 - 70A04010