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M74HC155M1R 데이터시트(PDF) 1 Page - STMicroelectronics |
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M74HC155M1R 데이터시트(HTML) 1 Page - STMicroelectronics |
1 / 9 page 1/9 July 2001 s HIGH SPEED: tPD = 13ns (TYP.) at VCC = 6V s LOW POWER DISSIPATION: ICC = 4µA(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 155 DESCRIPTION The M74HC155 is an high speed CMOS QUAD 2-INPUT NAND GATE fabricated with silicon gate C2MOS technology. It features dual 1 to 4 line demultiplexers with individual strobe inputs (1G and 2G), individual data inputs (1C and 2C) and common binary address inputs (A and B). When both decoders are enabled by the strobes, the inverted output of 1C data and non-inverted output of 2C data will be brought to the select output pins of each sections. A 1 to 8 line demultiplexer can also easily built up by providing a data signal to both 1C and 2C inputs; the output order from the msb is 1Y3, 1Y2, 1Y1, 1Y0, 2Y3, 2Y2, 2Y1, 2Y0. This device can be used as a 2 to 4 line decoder or a 3 to 8 line decoder when 1C is held high and 2C is held low. All inputs are equipped with protection circuits against static discharge and transient excess voltage. M74HC155 DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER PIN CONNECTION AND IEC LOGIC SYMBOLS ORDER CODES PACKAGE TUBE T & R DIP M74HC155B1R SOP M74HC155M1R M74HC155RM13TR TSSOP M74HC155TTR TSSOP DIP SOP |
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