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Part Number

M74HC191

Manufacturer ST Microelectronics
Short Description 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
Long Description M54/M74HC190 M54/M74HC191 4 BIT SYNCHRONOUS UP/DOWN COUNTERS . . . . . . . . HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC =

Datasheet : M74HC191



  • M74HC10 TRIPLE 3-INPUT NAND GATE
  • M74HC107 DUAL J-K FLIP FLOP
  • M74HC109 DUAL J-K FLIP FLOP WITH PRESET AND CLEAR
  • M74HC11 TRIPLE 3-INPUT AND GATE
  • M74HC112 DUAL J-K FLIP FLOP WITH PRESET AND CLEAR
  • M74HC113 DUAL J-K FLIP FLOP WITH PRESET
  • M74HC123 DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
  • M74HC125 QUAD BUS BUFFERS 3-STATE
  • M74HC125 3-STATE Quad Buffers
  • M74HC126 QUAD BUS BUFFERS 3-STATE
  • M74HC131 3 TO 8 LINE DECODER/LATCH
  • M74HC132 QUAD 2-INPUT SCHMITT NAND GATE
  • M74HC133 13 INPUT NAND GATE
  • M74HC137 3 TO 8 LINE DECODER/LATCH INVERTING
  • M74HC138 3 TO 8 LINE DECODER INVERTING
  • M74HC139 DUAL 2 TO 4 DECODER/DEMULTIPLEXER
  • M74HC14 HEX SCHMITT INVERTER
  • M74HC147 10 TO 4 LINE PRIORITY ENCODER
  • M74HC148 8 TO 3 LINE PRIORITY ENCODER
  • M74HC151 8 CHANNEL MULTIPLEXER
  • M74HC153 HC253 DUAL 4-CHANNEL MULTIPLEXER
  • M74HC154 4 TO 16 LINE DECODER/DEMULTIPLEXER
  • M74HC155 DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER
  • M74HC157 QUAD 2-CHANNEL MULTIPLEXER
  • M74HC158 HC158 QUAD 2-CHANNEL MULTIPLEXER
  • M74HC160 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
  • M74HC161 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
  • M74HC162 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
  • M74HC163 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
  • M74HC164 8 BIT SIPO SHIFT REGISTER
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