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MC74AC163 Key Features

  • Synchronous Counting and Loading
  • High-Speed Synchronous Expansion
  • Typical Count Rate of 125 MHz
  • Outputs Source/Sink 24 mA
  • These are Pb-Free Devices
  • Rev. 8
  • R Q0 Q1 Q2 Q3
  • MR for ′161 -SR for ′163
  • Master Reset (MR, ′161), Synchronous Reset (SR, ′163), Parallel Enable (PE), Count Enable Parallel (CEP) and Count Enabl

Related onsemi Datasheets

Part Number Description
MC74AC161 Synchronous Presettable Binary Counter
MC74AC10 Triple 3-Input NAND Gate
MC74AC109 Dual JK Positive Edge Triggered Flip-Flop
MC74AC11 Triple 3-Input AND Gate
MC74AC125 Quad Buffer

MC74AC163 Description

The MC74AC161/ACT161 and MC74AC163/ACT163 count modulo−16 binary sequence. From state 15 (HHHH) they increment to state 0 (LLLL). The clock inputs of all flip−flops are driven in parallel through a clock buffer.