參數(shù)資料
型號(hào)： 9TCS1082NLGI
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, QCC32
封裝： 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件頁(yè)數(shù)： 1/28頁(yè)
文件大小： 376K
代理商： 9TCS1082NLGI
ADVANCE INFORMATION DATASHEET
MOBILE ACCESS—CLOCK SYNTHESIZER & TEMPERATURE SENSOR
FOR PORTABLE DEVICES
9TCS1082
IDT MOBILE ACCESS—CLOCK SYNTHESIZER & TEMPERATURE SENSOR FOR PORTABLE DEVICES
1
9TCS1082
REV 0.4 100411
Description
The 9TCS1082 is a highly programmable IC that integrates
clock synthesizers and multiple temperature sensors for
hardware thermal protection.
The device has an ultra-low-power 32.768 kHz frequency
generator to support Real Time Clocks (RTC). This device
can generate the 32.768 kHz frequency up to four years
powered by a CR2032 battery. The 9TCS1082 can output
computer system clock frequencies of 25, 27, and 48 MHz
which will reduce the component count on the circuit board.
The device is highly configurable through I2C for ease and
flexibility of use.
The 9TCS1082 includes a temperature monitor. The
temperature sensor is optimized to be accurate within ±1°C
within the temperature range of 60°C to 100°C. This device
is highly programmable through the use of I2C to set high
and low limits for all the temperature channels as well as set
critical limits. The hardware limits drive dedicated fault and
alert pins for system shutdown.
The 9TCS1082 is available in a 32-pin QFN package and is
available for commercial temperature range.
Applications
Notebook Computers
Netbook Computers
Smartbook Computers
Consumer Portable Devices
Embedded Systems
Networking Equipment (i.e. Routers, Switches)
Network Area Storage
Features
Thermal Sensor
One channel thermal sensor
Both H/W & S/W programmable over/under temperature
alarms
No Calibration required in application
Diode failure detection
Support SMBUS Alert
Accuracy: ±1°C (+60°C to +100°C, remote);
±2°C (0°C to + 100°C, remote and local)
Offset register for system calibration
Series resistor cancellation feature
System Clock PLL Synthesizers
Scalable Low Voltage VDD I/O (1.5V to 1.05V) to reduce
power consumption (apply to 25MHz output)
Integrated series termination resistors
Selectable – Single-ended 27MHz/48MHz clock output
@ VDD3.3V
2 – single ended 25MHz clock outputs (buffer out)
32.768 kHz outputs with < 1.8A power consumption for
system RTC circuit
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