LM79CCVF

Microprocessor System Hardware Monitor, 5V, 1mA, QFP, LM79CCVF

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Price:: US $1.60~2.60 / piece [Get Latest Price]

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	US $1.60~2.60

PartNumber:: LM79CCVF

Brand:: National Semiconductor - NS | Pack: QFP | D/C: 01+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-06-24

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Part Number:LM79CCVF
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Product Summary

The LM79CCVF is a Microprocessor System Hardware Monitor. In a PC, the device can be used to monitor power supply voltages, temperatures, and fan speeds. Actual values for these inputs can be read at any time, and programmable WATCHDOG limits in the LM79CCVF activate a fully programmable and maskable interrupt system with two outputs. It has an on-chip temperature sensor, 5 positive analog inputs, two inverting inputs (for monitoring negative voltages), and an 8-bit ADC. The applications of the LM79CCVF include: System Hardware Monitoring for Servers and PCs, Office Electronics, Electronic Test Equipment and Instrumentation.

Parametrics

LM79CCVF absolute maximum ratings: (1)Positive Supply Voltage (VCC): 6.5V; (2)Voltage on Any Input or Output Pin: -0.3V to (VCC+0.3V); (3)Ground Difference (GNDD–GNDA): ±300 mV; (4)Input Current at any Pin: ±5 mA; (5)Package Input Current: ±20 mA; (6)Maximum Junction Temperature(TJ max): 150℃; (7)ESD Susceptibility Human Body Model: 2000V, Machine Model: 175V; (8)Storage Temperature: -65℃ to +150℃.

Features

LM79CCVF features: (1)Temperature sensing; (2)5 positive voltage inputs; (3)2 op amps for negative voltage monitoring; (4)3 fan speed monitoring inputs; (5)Input for additional temperature sensors; (6)Chassis Intrusion Detector input; (7)WATCHDOG comparison of all monitored values; (8)POST code storage RAM; (9)ISA and I2C Serial Bus interfaces.