SN74LV573ANS Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74LV573ANS is an octal transparent D-type latch with 3-state outputs from Texas Instruments operating from 1.65 V to 5.5 V in a 20-pin SOIC package. It features active-low output enable control and 16 mA sink current for bus interfacing in mixed-voltage systems. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74LV573ANS Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide 1.65 V to 5.5 V supply voltage range enabling seamless operation in 1.8 V, 2.5 V, 3.3 V, and 5 V mixed-voltage system designs
- Octal 3-state outputs with 16 mA IOL sink current supporting direct bus driving without additional buffer components
- Transparent latch operation with active-low enable control allowing real-time data capture or latch-hold mode switching
- 20-pin SOIC surface-mount package with 50 pF load capacitance rating suitable for high-speed bus buffering applications up to 85°C
Applications
The SN74LV573ANS is used as a data bus latch and buffer in microprocessor and microcontroller systems, enabling address demultiplexing and parallel data capture across 3.3 V and 5 V logic interfaces. Its 3-state outputs allow multiple devices to share a common data bus without contention, making it suitable for memory interface circuits and FPGA I/O expansion. The device is also widely used in industrial control panels, communication equipment, and embedded systems requiring reliable 8-bit data holding and bus isolation.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | LV/LV-A/LVX/H |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.016A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.02mA |
| Prop. Delay@Nom-Sup | 16.5ns |
| Propagation Delay (tpd) | 23ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | HIGH LEVEL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LV573ANS:
Bus Driver, LV/LV-A/LVX/H Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20
Frequently Asked Questions
What is the operating voltage range of the SN74LV573ANS?
The SN74LV573ANS operates from 1.65 V to 5.5 V supply voltage, making it compatible with 1.8 V, 2.5 V, 3.3 V, and 5 V logic systems, and suitable for mixed-voltage interface designs in modern embedded and communication systems.
How do the 3-state outputs of the SN74LV573ANS work?
The SN74LV573ANS has active-low output enable (OE) control. When OE is low, the outputs are active and reflect the latch state. When OE is high, all eight outputs enter a high-impedance (3-state) mode, allowing multiple devices to share a common bus without signal contention.
What package is the SN74LV573ANS available in?
The SN74LV573ANS comes in a 20-pin SOIC (Small Outline Integrated Circuit) package with JESD-30 code R-PDSO-G20, a standard surface-mount format with 1.27 mm lead pitch rated for -40°C to +85°C operation.
What is the maximum output sink current of the SN74LV573ANS?
The SN74LV573ANS has a maximum IOL (output low current) of 16 mA, providing sufficient drive capability to directly interface with most CMOS and TTL logic loads without the need for additional buffer stages.
What are typical applications for the SN74LV573ANS?
Common applications include address bus latching in microprocessor systems, data pipeline buffering between FPGA and memory devices, I/O port expansion in embedded controllers, and mixed-voltage signal isolation between 3.3 V and 5 V logic domains in industrial and communication equipment.
Related Guides
SN74LVC14APWR Hex Schmitt-Trigger Inverter: Application Note and Design Guide
Complete design guide for the SN74LVC14APWR hex Schmitt-trigger inverter: thresholds, decoupling, oscillator design, package selection, and common pitfalls.
May 21, 2026
TPS62841DGRR Buck Converter Selection Guide: Ultra-Low 60 nA IQ for Battery-Powered IoT
How to choose the right TPS62841 variant for IoT, wearables, and wireless sensors: quiescent current, voltage range, package, and application examples.
May 21, 2026
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 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.
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.”