SN74ALS573CNS Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74ALS573CNS is an octal D-type transparent latch with 3-state outputs from Texas Instruments, designed to drive bus lines directly. It belongs to the ALS (Advanced Low-power Schottky) logic family, offering high speed and low power for bus interface applications. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- SN74ALS573CNS Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Octal D-type transparent latch with 3-state bus driving outputs
- ALS logic family combines high speed with low power Schottky performance
- 3-state outputs enable direct bus line driving without additional buffers
- Transparent latch design allows real-time data flow-through when enabled
Applications
The SN74ALS573CNS is used in digital systems as an address or data bus latch, commonly found in microprocessor-based designs where data must be held stable during bus arbitration cycles. It serves as a critical interface component between CPUs, memory ICs, and peripheral controllers in embedded systems and industrial computing boards. Its 3-state outputs make it especially effective in multi-master bus architectures where multiple devices share the same data or address bus.
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 SN74ALS573CNS used for?
The SN74ALS573CNS is an octal transparent latch designed to latch and hold 8-bit data while driving bus lines directly through its 3-state outputs. It is commonly used in microprocessor systems to latch address or data signals, ensuring stable bus operation during read/write cycles in memory and peripheral interfacing applications.
What logic family does the SN74ALS573CNS belong to?
The SN74ALS573CNS belongs to the ALS (Advanced Low-power Schottky) logic family from Texas Instruments. ALS offers improved speed over standard low-power Schottky (LS) logic while maintaining reduced power consumption, making it a good balance of performance and efficiency for TTL-compatible digital designs.
What package is the SN74ALS573CNS available in?
The SN74ALS573CNS is available in a Small Outline Package (SOP/SOIC), which is a surface-mount package suitable for automated PCB assembly. This package type provides a reduced footprint compared to DIP packages while maintaining good thermal performance and ease of soldering in production environments.
How do the 3-state outputs on the SN74ALS573CNS work?
The 3-state outputs on the SN74ALS573CNS can be set to logic high, logic low, or high-impedance (disabled) state via an output enable control pin. When disabled, the outputs present high impedance to the bus, allowing other devices to drive the same bus lines without signal contention, which is essential in shared bus architectures.
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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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