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
What are the key features of SN74ALS573CNS?
- 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
What is SN74ALS573CNS used for?
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) |
Where can I find the SN74ALS573CNS datasheet?
SN74ALS573CNS Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74ALS573CNS?
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.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit