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M74HC21TTR 데이터시트(PDF) 1 Page - STMicroelectronics |
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M74HC21TTR 데이터시트(HTML) 1 Page - STMicroelectronics |
1 / 8 page 1/8 August 2001 s HIGH SPEED: tPD = 11ns (TYP.) at VCC = 6V s LOW POWER DISSIPATION: ICC = 1µA(MAX.) at TA=25°C s HIGH NOISE IMMUNITY: VNIH = VNIL = 28 % VCC (MIN.) s SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 21 DESCRIPTION The M74HC21 is an high speed CMOS DUAL 4-INPUT AND GATE fabricated with silicon gate C2MOS technology. The internal circuit is composed of 3 stages including buffer output, which enables high noise immunity and stable output. All inputs are equipped with protection circuits against static discharge and transient excess voltage. M74HC21 DUAL 4-INPUT AND GATE PIN CONNECTION AND IEC LOGIC SYMBOLS ORDER CODES PACKAGE TUBE T & R DIP M74HC21B1R SOP M74HC21M1R M74HC21RM13TR TSSOP M74HC21TTR TSSOP DIP SOP |
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