TC74VHC125

The TC74VHC125 is high speed CMOS QUAD BUS BUFFERS fabricated with silicon gate C2MOS technology. The feature of TC74VHC125 are as follows: (1)high speed: tpd = 3.8ns at VCC = 5V; (2)low power dissipation: ICC = 4A at Ta = 25; (3)high noise immunity: VNIH = VNIL = 28% Vcc; (4)power down protavtion is provided on all inputs; (5)balanced propagation delays: tpLHtpHL;(6)wide operating voltage range: VCC(opr.) = 2V~5.5V; (7)low noise: VOLP = 0.8V; (8)pin and function compatible with 74ALS125.

The absolute maximum ratings of the TC74VHC125 are: (1)supply voltage range:  -0.5~7.0V; (2)DC input voltage:  -0.5~7.0V; (3)DC output voltage:  -0.5~Vcc + 0.5V; (4)input diode current: -20mA; (5)output diode current: ±20mA; (6)DC output current: ±25mA; (7)DC VCC/ground current: ±50mA; (8)power dissipation: 180mW; (9)storage temperature: -65~150.

The following is about the electrical characteristics of TC74VHC125: (1)high-level input voltage: 1.50V min; (2)low-level input voltage: 0.50V max; (3)high-level output voltage: 1.9V min and 2.0V typical at VIN = VIH or VIL, IOH = -50A, 2.58V min and 2.48V typical at VIN = VIH or VIL, IOH = -4mA; (4)low-level output voltage: 0.0V typical and 0.1V max at VIN = VIH or VIL, IOH = 50A,  0.36V max at  VIN = VIH or VIL, IOH = 4mA; (5)input leakage current: ±0.1A at VIN = 5.5V or GND; (6)quiescent supply current: 4.0A min at VIN = Vcc or GND.