SN74ALS169BNS Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74ALS169BNS is a 4-bit synchronous up/down binary counter IC by Texas Instruments using Advanced Low-power Schottky TTL technology. Key specs: 4-bit binary counting, synchronous load and clear, small outline package with 5 V operation. Available from stock with worldwide shipping for digital timing and control applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN74ALS169BNS Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Synchronous up/down counting mode with separate count direction control for flexible bidirectional digital counter designs
- Synchronous parallel load capability enabling preset of any 4-bit value for programmable counter starting points
- Advanced Low-power Schottky (ALS) logic technology offering improved speed and reduced power over standard LS TTL
- Cascadable design with carry and borrow outputs allowing expansion to 8-bit, 16-bit, or wider counting applications
Applications
The SN74ALS169BNS is commonly used in digital timing circuits, frequency dividers, and event counters for industrial automation and embedded control systems. Its synchronous up/down operation and parallel load capability make it suitable for programmable timers, address generators, and position tracking in motor control applications. It is also applied in legacy digital systems and custom logic boards requiring reliable 4-bit binary counting with bidirectional control.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74ALS169BNS:
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16
Frequently Asked Questions
What counting modes does the SN74ALS169BNS support?
The SN74ALS169BNS supports both synchronous up and down counting modes, with a dedicated count direction input allowing the counter to increment or decrement its 4-bit binary count on each clock edge based on the programmed direction control signal.
Can the SN74ALS169BNS be cascaded for wider bit-width counting?
Yes, the SN74ALS169BNS provides carry and borrow outputs that allow multiple devices to be cascaded in series, enabling extension to 8-bit, 16-bit, or wider binary counters for applications requiring larger count ranges without additional logic circuitry.
What logic family does the SN74ALS169BNS belong to?
The SN74ALS169BNS belongs to the ALS (Advanced Low-power Schottky) TTL logic family, which offers faster propagation delay and lower power consumption compared to standard LS TTL, while maintaining full compatibility with other 5 V TTL and CMOS logic devices.
Does the SN74ALS169BNS support synchronous preset loading?
Yes, the SN74ALS169BNS supports synchronous parallel load, allowing any 4-bit value to be loaded into the counter on the next clock edge when the load input is asserted. This enables programmable starting counts for timers, sequencers, and address generators.
What are typical applications for the SN74ALS169BNS?
Typical applications include digital frequency dividers, programmable timers, event counters, address sequencers, and position tracking circuits in industrial automation, digital communication equipment, and embedded systems requiring reliable 4-bit synchronous up/down binary counting.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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