参数资料
型号: DS1780E+T&R
厂商: Maxim Integrated
文件页数: 1/28页
文件大小: 0K
描述: IC CPU PERIPHERAL MON 24-TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
功能: 温度监控器,CPU 外围设备
传感器类型: 内部
感应温度: -40°C ~ 125°C
精确度: ±12°C(最小值)
拓扑: ADC(三角积分型),比较器,风扇速度控制,寄存器库
输出类型: I²C?/SMBus?
输出警报:
输出风扇:
电源电压: 2.8 V ~ 5.75 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
DS1780
CPU Peripheral Monitor
www.dalsemi.com
FEATURES
§ Direct-to-digital temperature sensor requires
no external components or user calibration
§ Two fan speed sensors
§ Monitors 6 power supply voltages
§ 8-bit DAC for fan speed control
§ Intrusion detect for security (detects when
chassis lid has been removed, even if power is
off)
§ Remote system reset
§ System interrupt availability on all monitored
functions (temperature, voltages, fan speed,
chassis intrusion)
§ 2-wire interface with 2-bit addressability
§ Integrated NAND TREE for board level
testability
§ Wide power supply range (2.8V £ V DD £
5.75V)
§ High integration in a small 24-pin 173-mil
TSSOP
§ Applications include monitoring of personal
computers or any microprocessor-based
system
PIN ASSIGNMENT
A0/NT OUT 1 24 VID0
A1 2 23 VID
SDA 3 22 VID2
SCL 4 21 VID3
FAN1 5 20 VID4
FAN2 6 19 +V CCP1
CHS 7 18 +2.5 V IN
GNDD 8 17 +3.3 V IN
V DD 9 16 +5 V IN
INT 10 15 +12 V IN
V OUT /NT IN 11 14 +2.5 V S /+V CCP2
RST 12 13 GNDA
DS1780E+
24-Pin TSSOP (173-mil)
PIN DESCRIPTION
A0/NT OUT - Address Input / NAND
TREE Output
A1 - Address Input
SDA - 2-Wire Serial Data
Input/Output
SCL - 2-Wire Serial Clock
FANx - Tachometer Inputs
CHS - Chassis Intrusion Detector
Input
GNDD
V DD
INT
V OUT /NT IN
RST
GNDA
+xxV IN
+2.5V S /+V CCP2
VIDx
- Digital Ground
- Power Supply Voltage (2.8V
to 5.75V)
- Hardware Interrupt output
- DAC output / NAND TREE
Input
- Remote System Reset
- Analog Ground
- Positive Voltage Inputs
- Positive/negative Voltage
Input
- Processor Voltage Supply
Readout Inputs
See Table 11 on page 27 for Ordering Information
1 of 28
032305
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