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74LS193 Major Brands Synchronous Binary Up/Down Counter, 4-Bit, Cascading Circuitry, Pack of 10

KWD 4.500
Brand
Xytronic
Weight
12 g
– 1 +

Special Features

  • A clear input has been provided which, when taken to a high level, forces all outputs to the low level;
  • These counters were design to be cascaded without the need for external circuitry. Both borrow and carry outputs are available to cascade both the up and down counting functions
  • The counters can then be easily cascaded by feeding the borrow and carry outputs to the count down and count up inputs respectively of the succeeding counter
  • Independent of the count and load inputs. The clear, count, and load inputs are buffered to lower the drive requirements of clock drivers, etc., required for long words
  • The borrow output produces a pulse equal in width to the count down input when an overflow condition exists

Description

This is a CMOS 8-bit successive approximation A/D converter that uses a differential potentiometric ladder-similar to the 256R products. This converter is designed to allow operation with the NSC800 and INS8080A derivative control bus with TRI-STATE output latches directly driving the data bus. This A/D appears like memorylocations or I/O ports to the microprocessor and no interfacing logic is needed.

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