The LS7166A is no longer available for purchase.

LS7166A 24-bit Quadrature Counter

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  • LFLS7166R1
  • LFLS7166
  • LFLS7166R1

Overview

  • Programmable count modes
  • DC to 40MHz count frequency
  • 8-Bit I/O Bus for μP communication and control
  • 24-Bit comparator for pre-set count comparison
  • Readable status register
  • Input/Output TTL and CMOS compatible
  • 3V to 5.5V operation
  • 20-pin DIP package

The LSI Computer Systems LS7166A is a CMOS, 24-bit counter which can be programmed to operate in several functional modes. The operating modes are set up by writing configuration data into control registers. There are...

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Product Description

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The LSI Computer Systems LS7166A is a CMOS, 24-bit counter which can be programmed to operate in several functional modes. The operating modes are set up by writing configuration data into control registers. There are three 6-bit and one 2-bit control registers for configuring the functional modes. In addition to the control registers there is a 5-bit status register which indicates the instantaneous device status. A 24-bit preset register is available for presetting the counter. It also serves as the division factor in the mod-N count mode. The device communicates with a host controller over an 8-bit 3-state bidirectional data bus through read/write operations. In addition, a number of discrete inputs and outputs facilitate instantaneous hardware control functions and instantaneous status indication.

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Product Configuration

This product is no longer configurable or available for new applications.