DM74LS169AN The DM74LS169AN is a synchronous, presettable 4-bit up/down binary counter from Texas Instruments. It features internal carry look-ahead for high-speed cascading.
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DM74LS169AN

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The DM74LS169AN is a synchronous, presettable 4-bit up/down binary counter from Texas Instruments. It features internal carry look-ahead for high-speed cascading.
✓ Total Stock: 59 pcs
$ Price Range: $0.30

DM74LS169AN Available from 1 distributor

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DM74LS169AN Specifications Quick View

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DM74LS169AN Description

Short technical summary and product information.

The Texas Instruments DM74LS169AN is a synchronous, presettable 4-bit up/down binary counter designed for high-speed counting applications. Its synchronous operation ensures all flip-flops are clocked simultaneously, eliminating output counting spikes common in ripple counters. The counter includes internal carry look-ahead circuitry, facilitating cascading for n-bit synchronous systems without additional gating.

 

Key features include a buffered clock input that triggers on the rising edge, and diode-clamped inputs to minimize transmission-line effects. The device is fully programmable, allowing outputs to be preset high or low. The direction of the count is controlled by the up/down input, with high indicating count up and low indicating count down. Both count-enable inputs (P and T) must be low for counting to occur.

 

This counter operates within a 0°C to 70°C free air temperature range and has a maximum supply and input voltage of 7V. It is available in a N16E package and is designed for through-hole mounting.

DM74LS169AN Quick Information

Product Type: Synchronous 4-Bit Up/Down Binary Counter
Canonical Name: DM74LS169AN Synchronous 4-Bit Up/Down Binary Counter
Subcategory: Synchronous 4-Bit Up/Down Binary Counter

DM74LS169AN Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DM74LS169AN Estimated Pricing

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1+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

DM74LS169AN Features

  • Synchronous 4-bit up/down binary counter.
  • Internal carry look-ahead for cascading.
  • Buffered clock input triggers on rising edge.
  • Fully programmable outputs.
  • Diode-clamped inputs minimize effects.

DM74LS169AN Applications

  • High-speed synchronous counting.
  • Cascading for n-bit applications.
  • Digital system design.
  • Programmable frequency division.

DM74LS169AN FAQs

5 frequently asked questions generated from this part’s specifications.
What type of counter is the DM74LS169AN?

The DM74LS169AN is a Synchronous 4-Bit Up/Down Binary Counter.

What is the operating temperature range for the DM74LS169AN?

The operating free air temperature range for the DM74LS169AN is 0°C to +70°C.

What is the maximum supply voltage for the DM74LS169AN?

The maximum supply voltage for the DM74LS169AN is 7V.

Does the DM74LS169AN support cascading?

Yes, the DM74LS169AN features internal carry look-ahead circuitry that permits cascading counters for n-bit synchronous applications.

How is the count direction determined on the DM74LS169AN?

The direction of the count is determined by the level of the up/down input. When the input is high, the counter counts up; when low, it counts down.

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