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Part Number

74LS191

Manufacturer Fairchild Semiconductor
Short Description Synchronous 4-Bit Up/Down Counter
Long Description DM74LS191 Synchronous 4-Bit Up/Down Counter with Mode Control August 1986 Revised February 1999 DM74LS191 Synchronous

Datasheet : 74LS191



  • 74LS10 TRIPLE 3-INPUT NAND GATE
  • 74LS10 Triple 3-Input NAND Gate
  • 74LS107 Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flops
  • 74LS109 Dual J-K Flip-Flop
  • 74LS109A LOW POWER SCHOTTKY
  • 74LS109A Dual J-K Positive-Edge-Triggered Flip-Flops
  • 74LS11 Triple 3-Input AND Gate
  • 74LS112 Dual J-K Negative-edge-triggered Flip-Flops
  • 74LS112A DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
  • 74LS112A Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flop
  • 74LS114A DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
  • 74LS12 Dual Retriggerable Monostable Multivibrators
  • 74LS12 Dual Retriggerable One-Shot
  • 74LS12 LOW POWER SCHOTTKY
  • 74LS12 RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
  • 74LS12 Dual Retriggerable One-Shot
  • 74LS121 monostable multivibrator featuring both positive and negative edge triggering
  • 74LS121 Dual Retriggerable Monostable Multivibrators
  • 74LS122 Retriggerable Monostable Multivibrators
  • 74LS122 LOW POWER SCHOTTKY
  • 74LS122 Retriggerable Monostable Multivibrators
  • 74LS122 RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
  • 74LS123 RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
  • 74LS123 Retriggerable Monostable Multivibrators
  • 74LS123 Dual Retriggerable One-Shot
  • 74LS125 QUAD 3-STATE BUFFERS
  • 74LS125 Quadriple Bus Buffer Gates
  • 74LS125 Quad 3-STATE Buffer
  • 74LS125 LOW POWER SCHOTTKY
  • 74LS125A QUADRUPLE BUS BUFFERS
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