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DM54LS190 - Synchronous 4-Bit Up/Down Counters

The DM54LS190 by National Semiconductor is a Synchronous 4-Bit Up/Down Counters. Below is the official datasheet preview.

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Official preview page of the DM54LS190 Synchronous 4-Bit Up/Down Counters datasheet (National Semiconductor).

DM54LS190 Product details

Description

These circuits are synchronous reversible up down counters The LS191 is a 4-bit binary counter and the LS190 is a BCD counter Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change simultaneously when so instructed by the steering logic This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple clock) counters The outputs of the four master-slave flip-flops are triggered on a low-to-high level t

Features

📁 DM54LS190 Similar Datasheet

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Other Datasheets by National Semiconductor
  • DM54LS191 - Synchronous 4-Bit Up/Down Counters
  • DM54LS10 - Triple 3-Input NAND Gates
  • DM54LS109A - Dual Positive-Edge-Triggered J-K Flip-Flops with Preset/ Clear/ and Complementary Outputs
  • DM54LS11 - Triple 3-Input AND Gates
  • DM54LS112A - NEGATIVE-EDGE-TRIGERED MASTER-SLAVE J-K FLIP-FLOPS
  • DM54LS125A - Quad TRI-STATE Buffers
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