74LS193 Binary Up/Down Counter with Clear

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The 74LS series of integrated circuits (ICs) was one of the most popular logic families of transistor-transistor logic (TTL) logic chips. 74LS series is a bipolar, low-power Schottky IC.74LS193 is a UP/DOWN Module-16 Binary Counter. Separate Count Up and Count Down Clocks are used and in either counting mode the circuits operate synchronously

74LS193 Features

  • Synchronous Up/Down Mudulo-16 Binary Counter, Count is Updated with Low-to-High Clock Transition
  • Synchronous Counting
  • High Speed up to 25MHz
  • Individual Preset Inputs
  • Standard TTL Switching Voltages

74LS193 Specifications

Supply Voltage4.75 – 5.25Vdc
Maximum Clock Frequency40Mhz
Power Dissipation2mW/gate @100kHz
Minimum Output Current8mA
Propagation Delay10nS
Fan Out (TTL Loads)20

74LS193 Pinout Diagram

74LS193 Pin Description

Pin NoPin NameDescription
1BData Input Of Counter B
2QBOutput Of Counter QB
3QAOutput Of Counter QA
4DOWNDown Pin
5UPUp Pin
6QCOutput Of Counter QC
7QDOutput Of Counter QD
8GNDGround
9DData Input Of Counter D
10CData Input Of Counter C
11LOAD’Load Pin(Active Low)
12CO’Carry Output(Active Low)
13BO’Borrow Output(Active Low)
14CLRClear Pin
15AData Input Of Counter A
16VCCPositive Supply

Applications

  • Self-reversing counter
  • Clock divider circuit

74LS193 Alternative Equivalent

74LS192

Download 74LS193 Binary Up/Down Counter with Clear Datasheet from the link given below.