Part # M74HC393 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Dual binary counter

Part Details:

M74HC393 DUAL BINARY COUNTER s HIGH SPEED : fMAX = 79 MHz (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: DIP SOP TSSOP |IOH| = IOL = 4mA (MIN) s BALANCED PROPAGATION DELAYS:tPLH tPHL ORDER CODES s WIDE OPERATING VOLTAGE RANGE: PACKAGE TUBE T & R VCC (OPR) = 2V to 6V DIP M74HC393B1R s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 393 SOP M74HC393M1R M74HC393RM13TR TSSOP M74HC393TTR DESCRIPTIONThe M74HC393 is an high speed CMOS DUAL and each has an independent clear input. When BINARY COUNTER fabricated with silicon gate CLEAR is set to low, all four bits of each counter C2MOS technology. are set to a low level. This enables count This counter circuit contains independent ripple truncation and allows the implementation of divide carry counters and two 4-bit ripple carry binary by N counter configurations. counters, which can be cascaded to create a All inputs are equipped with protection circuits single divide by 256 counter. against static discharge and transient excess Each 4-bit counter is incremented on the high to voltage. low transition (negative edge) of the clock input, PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/11

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M74HC393.pdf Datasheet