SN74ABT573ADWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The Texas Instruments SN74ABT573ADWG4 is an octal D-type transparent latch with 3-state outputs, featuring active-low output enable and 64mA output sink current in the ABT logic family. It provides high-speed bus driving capability in a 20-pin SOP package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ABT573ADWG4 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
- Octal 3-state transparent D-latch with active-low output enable for direct bus interface and data buffering in 8-bit wide data paths
- ABT logic family delivers high-speed switching with 50pF load capacitance rating and 64mA output sink current for robust bus driving
- Broadside pinout version of the industry-standard 373 latch simplifies PCB routing in bus-oriented designs
- 3-state outputs allow multiple devices to share a common bus without contention in multiplexed data bus architectures
Applications
The SN74ABT573ADWG4 is used as a transparent data latch and bus driver in address and data bus buffering for microprocessor and DSP systems in industrial and communications equipment. Its high output current and 3-state capability make it ideal for driving data buses between memory, I/O peripherals, and processor banks in embedded systems requiring fast, reliable data latching. The device is also suitable for register interfacing in FPGA and CPLD designs where bus direction control and data hold capability are required.
Specifications
| YTEOL | 0 |
| Additional Feature | BROADSIDE VERSION OF 373 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | ABT |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.064A |
| 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,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 30mA |
| Prop. Delay@Nom-Sup | 6.2ns |
| Propagation Delay (tpd) | 7.2ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| 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 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74ABT573ADWG4:
Frequently Asked Questions
What does transparent latch mean in the context of the SN74ABT573ADWG4?
A transparent latch passes input data directly to the output when the latch enable is active, and holds the last data state when the enable is deactivated. The SN74ABT573ADWG4 operates transparently when the active-low enable is asserted, making it ideal for synchronous data capture and bus buffering.
What logic family is the SN74ABT573ADWG4?
The SN74ABT573ADWG4 belongs to the ABT (Advanced BiCMOS Technology) logic family, which offers high-speed switching, high output drive capability (64mA sink), and compatibility with both TTL and CMOS logic levels for reliable bus driving applications.
How does the SN74ABT573ADWG4 differ from the 373?
The SN74ABT573ADWG4 is the broadside version of the industry-standard 74373 latch, meaning its inputs and outputs are arranged on opposite sides of the package. This pinout simplifies PCB routing in data bus designs by separating input and output signal paths.
What package does the SN74ABT573ADWG4 come in?
The SN74ABT573ADWG4 is housed in a 20-pin SOP (Small Outline Package), a widely used surface-mount package with 0.050-inch pin pitch that is compatible with standard SMT assembly processes for high-volume manufacturing.
What is the output sink current of the SN74ABT573ADWG4?
The SN74ABT573ADWG4 has a maximum output sink current (IOL) of 64mA per output, which enables it to drive heavy capacitive bus loads of 50pF and multiple parallel logic inputs without violating VOL specifications in high-fanout bus architectures.
Related Guides
ADSP-BF706BCPZ-4 Selection Guide: How to Choose a Blackfin+ DSP for Your Embedded Design
Compare ADSP-BF706BCPZ-4, BF548BBCZ-5A, and BF512BSWZ-4 on clock speed, memory, peripherals, and power to select the right Blackfin+ DSP.
Jun 10, 2026
ADC128S102 Selection Guide: How to Choose the Right 8-Channel 12-Bit SAR ADC
Compare ADC128S102 variants by supply voltage, temperature range, package, and qualification to pick the right 8-channel 12-bit SAR ADC for your design.
Jun 10, 2026
Common-Mode Filter + ESD Design Guide for High-Speed Differential Interfaces
How to choose between integrated CMF+ESD devices (ECMF02-2AMX6, ECMF02-4CMX8) and discrete ESD arrays for USB 2.0/3.x, MIPI, and HDMI interfaces—covering line count, bandwidth, clamping voltage, and package selection.
Jun 9, 2026
High-Capacitance MLCC Selection Guide: 22 µF vs 10 µF, X7R, 0805 to 1210
Learn how to choose between 22 µF and 10 µF X7R MLCCs (0805–1210). Covers DC bias derating, voltage rating, case size, and recommended Samsung CL-series parts.
Jun 9, 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.”