CD74HC21

CD74HC21 Description

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CD74HC21 Manufacturer

CD74HC21 Datasheet (PDF)

CD74HC21 Price & Availability

CD74HC21 Features

• Buffered Inputs
• Typical Propagation Delay: 9ns at V_CC = 5V, C_L = 15pF, T_A = 25°C
• 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: N_IL = 30%, N_IH = 30% of V_CC at V_CC = 5V
• HCT Types
  • 4.5V to 5.5V Operation
  • Direct LSTTL Input Logic Compatibility, V_IL = 0.8V (Max), V_IH = 2V (Min)
  • CMOS Input Compatibility, I_l 1µA at V_OL, V_OH

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