SN74ALS323NIn StockTexas Instruments
SN74ALS323N is an 8-bit universal shift/storage register with 3-state outputs by Texas Instruments. Key specs: 8-bit parallel/serial I/O, 3-state outputs, ALS logic family, DIP-20 package. From $4.19, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $4.1860(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit universal shift/storage register with both serial and parallel input/output modes
- 3-state outputs for direct bus interfacing and wired-OR connections
- Advanced Low-power Schottky (ALS) technology for reduced power consumption vs standard TTL
- Synchronous parallel load capability for fast data insertion
- Compatible with standard TTL logic levels for easy system integration
Applications
The SN74ALS323N is widely used in data buffering and serial-to-parallel conversion applications in microprocessor-based systems. It is commonly employed in shift register chains for serial communication interfaces, data bus expansion, and pipeline data storage in digital logic designs. The device also finds use in industrial control systems and embedded systems requiring reliable parallel data latching and shifting operations.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | HOLD MODE; COMMON I/O PINS; TOTEMPOLE SERIAL SHIFT RIGHT & SHIFT LEFT OUTPUTS; GATED OUTPUT CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | ALS |
| JESD-30 Code | R-PDIP-T20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | PARALLEL IN PARALLEL OUT |
| Max Frequency@Nom-Sup | 17000000Hz |
| Max I(ol) | 0.024A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 40mA |
| Prop. Delay@Nom-Sup | 19ns |
| Propagation Delay (tpd) | 19ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 17MHz |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74ALS323N and what are its key specifications?
The SN74ALS323N is an 8-bit universal shift/storage register with 3-state outputs from Texas Instruments. It features parallel and serial input/output capability, operates on ALS (Advanced Low-power Schottky) logic technology, comes in a 20-pin DIP package, and is compatible with standard TTL logic levels for straightforward integration into existing digital systems.
What are the typical applications for the SN74ALS323N?
The SN74ALS323N is commonly used in serial-to-parallel and parallel-to-serial data conversion, data bus buffering, shift register chains in communication interfaces, and pipeline data storage. It is well-suited for microprocessor peripheral expansion, industrial control systems, and any digital design requiring 8-bit shift and storage functionality with 3-state bus driving capability.
How do the 3-state outputs benefit system design with the SN74ALS323N?
The 3-state outputs on the SN74ALS323N allow multiple devices to share a common data bus without contention. When outputs are disabled (high-impedance state), the device effectively disconnects from the bus, enabling simple bus-sharing schemes in microprocessor systems, memory interfaces, and multi-device data multiplexing designs without requiring additional buffers or isolation logic.
What is the difference between the SN74ALS323N and standard TTL shift registers?
The SN74ALS323N uses ALS (Advanced Low-power Schottky) technology, which offers significantly lower power consumption compared to standard TTL (74S or 74LS series) while maintaining high-speed switching performance. ALS devices typically consume 20-75% less power than equivalent LS-TTL devices, making the SN74ALS323N a better choice for power-sensitive digital systems requiring reliable shift register functionality.
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Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $9.6600 | $9.66 |
| 4+ | $7.0840 | $28.34 |
| 5+ | $4.8300 | $24.15 |
| 42+ | $4.1860 | $175.81 |
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