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TI(德州仪器) CD74HC377
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  • TI(德州仪器) CD74HC377
  • TI(德州仪器) CD74HC377
  • TI(德州仪器) CD74HC377
  • TI(德州仪器) CD74HC377
  • TI(德州仪器) CD74HC377
  • TI(德州仪器) CD74HC377
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CD74HC377

CD74HC377

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具有数据使能端的高速 CMOS 逻辑八路 D 类触发器

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The ’HC377 and ’HCT377 are octal D-type flip-flops with a buffered clock (CP) common to all eight flip-flops. All the flip-flops are loaded simultaneously on the positive edge of the clock (CP) when the Data Enable (E) is Low.

  • Buffered Common Clock
  • Buffered Inputs
  • Typical Propagation Delay at CL = 15pF, VCC = 5V, TA = 25°C
    • 14 ns (HC Types)
    • 16 ns (HCT Types)
  • 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
Number of channels8
Technology familyHC
Supply voltage (min) (V)2
Supply voltage (max) (V)6
Input typeStandard CMOS
Output typePush-Pull
Clock frequency (max) (MHz)29
IOL (max) (mA)5.2
IOH (max) (mA)-5.2
Supply current (max) (µA)80
FeaturesBalanced outputs, High speed (tpd 10-50ns), Positive input clamp diode
Operating temperature range (°C)-55 to 125
RatingCatalog
PDIP (N)20228.702 mm² 24.33 x 9.4
SOIC (DW)20131.84 mm² 12.8 x 10.3
TSSOP (PW)2041.6 mm² 6.5 x 6.4
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