SN74LS75N Latch

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  • SN74LS75N Quad bistable latch
  • Number of channels 4
  • Technology family LS
  • Supply voltage (min) (V) 4.75
  • Supply voltage (max) (V) 5.25
  • Input type Bipolar
  • Output type TTL
  • Clock frequency (max) (MHz) 35
  • IOL (max) (mA) 8
  • IOH (max) (mA) -0.4
  • Supply current (max) (µA) 53000
  • Very high speed (tpd 5-10ns)
  • Operating temperature range (°C) 0-70


  • SN74LS75N Quad bistable latches
  • These latches are ideally suited for use as temporary storage for binary information between processing units and input/output or indicator units. Information present at a data (D) input is transferred to the Q output when the enable (C) is high and the Q output will follow the data input as long as the enable remains high. When the enable goes low, the information (that was present at the data input at the time the transition occurred) is retained at the Q output until the enable is permitted to go high.
  • The ’75 and ‘LS75 feature complementary Q and Q\ outputs from a 4-bit latch, and are available in various 16-pin packages.
  • These circuits are completely compatible with all popular TTL families. All inputs are diode-clamped to minimize transmission-line effects and simplify system design.
  • Series 54 and 54LS devices are characterized for operation over the full military temperature range of -55°C to 125°C; Series 74, and 74LS devices are characterized for operation from 0°C to 70°

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