(Hong Kong)
Product Summary
The LM78CCVFX is a microprocessor system hardware monitor. It can be used in (1)system hardware monitoring for servers and pcs; (2)office electronics; (3)electronic test equipment and instrumentation. This device has an on-chip temperature sensor, 5 positive analog inputs, two inverting inputs (for monitoring negative voltages), and an 8-bit ADC.
Parametrics
LM78CCVFX 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: 150°C; (7)Storage Temperature: -65°C to +150°C; (8)VIN Voltage Range: -0.05V to VCC + 0.05V.
Features
LM78CCVFX 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.
Diagrams
