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高速 CMOS 逻辑双路 2 位双稳态透明锁存器
Number of channels (#) 4
Technology Family HC
Supply voltage (Min) (V) 2
Supply voltage (Max) (V) 6
Input type Standard CMOS
Output type CMOS
Clock Frequency (Max) (MHz) 28
IOL (Max) (mA) 5.2
IOH (Max) (mA) -5.2
ICC (Max) (uA) 80
Features High speed (tpd 10-50ns), Partial power down (Ioff)
  • True and Complementary Outputs
  • Buffered Inputs and Outputs
  • Fanout (Over Temperature Range)
    • Standard Outputs...10 LSTTL Loads
    • Bus Driver Outputs...15 LSTTL Loads
  • Wide Operating Temperature Range . . . –55°C to 125°C
  • Balanced Propagation Delay and Transition Times
  • Significant Power Reduction Compared to LSTTL Logic ICs
  • HC Types
    • 2V to 6V Operation
    • High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • HCT Types
    • 4.5V to 5.5V Operation
    • Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
    • CMOS Input Compatibility, Il 1μA at VOL, VOH

Data sheet acquired from Harris Semiconductor

The ?HC75 and ?HCT75 are dual 2-bit bistable transparent latches. Each one of the 2-bit latches is controlled by separate Enable inputs (1E\ and 2E\) which are active LOW. When the Enable input is HIGH data enters the latch and appears at the Q output. When the Enable input (1E\ and 2E\) is LOW the output is not affected.