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M74HC643 - OCTAL BUS TRANSCEIVER

General Description

The 74HC643 is an advanced high-speed CMOS OCTAL BUS TRANSCEIVER (3-STATE) fabricated with silicon gate C2MOS technology.

DIR input.

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M74HC643 OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (INVERTING/NON INVERTING) s s s s s s s HIGH SPEED: tPD = 10ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 4µA(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 6mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 643 DIP SOP TSSOP ORDER CODES PACKAGE DIP SOP TSSOP TUBE M74HC643B1R M74HC643M1R T&R M74HC643RM13TR M74HC643TTR DESCRIPTION The 74HC643 is an advanced high-speed CMOS OCTAL BUS TRANSCEIVER (3-STATE) fabricated with silicon gate C2MOS technology.