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HD74HC109 - Dual J-K Flip-Flops

General Description

Each flip-flop has independent J, K, preset, clear and clock inputs and Q and Q outputs.

This device is edge sensitive to the clock input and changes state on the positive going transition of the clock pulse.

Key Features

  • High Speed Operation: tpd (Clock to Q) = 15 ns typ (CL = 50 pF).
  • High Output Current: Fanout of 10 LSTTL Loads.
  • Wide Operating Voltage: VCC = 2 to 6 V.
  • Low Input Current: 1 µA max.
  • Low Quiescent Supply Current: ICC (static) = 2 µA max (Ta = 25°C).
  • Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation HD74HC109P DILP-16 pin PRDP0016AE-B (DP-16FV) P HD74HC109FPEL SOP-16 pin (JEITA) PRSP0016DH-.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HD74HC109 Dual J-K Flip-Flops (with Preset and Clear) REJ03D0561-0200 (Previous ADE-205-434) Rev.2.00 Oct 11, 2005 Description Each flip-flop has independent J, K, preset, clear and clock inputs and Q and Q outputs. This device is edge sensitive to the clock input and changes state on the positive going transition of the clock pulse. Clear and preset are independent of the clock and accomplished by a low logic level on the corresponding input.