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74VHCT14AM Datasheet(PDF) 1 Page - STMicroelectronics |
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74VHCT14AM Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 7 page  74VHCT14A HEX SCHMITT INVERTER PRELIMINARY DATA ® August 1999 s HIGH SPEED: tPD = 4 ns (TYP.) at VCC =5V s LOW POWER DISSIPATION: ICC =2 µA (MAX.) at TA =25 oC s TYPICAL HYSTERESIS: 0.7V at VCC = 4.5V s POWER DOWN PROTECTION ON INPUTS & OUTPUTS s SYMMETRICAL OUTPUT IMPEDANCE: |IOH|=IOL = 8 mA (MIN) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s OPERATING VOLTAGE RANGE: VCC (OPR) = 4.5V to 5.5V s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 14 s IMPROVED LATCH-UP IMMUNITY s LOW NOISE: VOLP = 0.8V (Max.) DESCRIPTION The 74VHCT14A is an advanced high-speed CMOS HEX SCHMITT INVERTER fabricated with sub-micron silicon gate and double-layer metal wiring C 2MOS technology. The internal circuit is composed of 3 stages including buffer output, which enable high noise immunity and stable output. Power down protection is provided on all inputs and outputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V. Pin configuration and function are the same as those of the VHC04 but the VHC14 has hysteresis. This together with its schmitt trigger function allows it to be used on line receivers with slow rise/fall input signals. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS ORDER CODES : 74VHCT14AM 74VHCT14AT M (Micro Package) T (TSSOP Package) 1/7 |
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