SN74AHCT574NSRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments SN74AHCT574NSRG4 is an octal edge-triggered D-type flip-flop with 3-state outputs, operating up to 75 MHz in an SOP-20 package. It features active-low output enable control and accepts 5 V logic inputs while operating from a lower supply voltage. Used in data bus buffering, pipeline registers, and address latching in digital systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74AHCT574NSRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74AHCT574NSRG4?
- Octal D-type flip-flop with 8 independent edge-triggered registers and 3-state outputs
- Up to 75 MHz maximum operating frequency for high-speed bus applications
- Active-low output enable pin for bus isolation and tri-state control
- 50 pF load capacitance rating supporting standard backplane drive requirements
- AHCT family input compatibility accepting 5 V logic signals for mixed-voltage interfacing
What is SN74AHCT574NSRG4 used for?
The SN74AHCT574NSRG4 is used in data bus buffering, pipeline registers, and address latching in microprocessor and FPGA-based digital systems. Its 3-state outputs and 75 MHz operating speed make it suitable for parallel data path isolation, memory interface demultiplexing, and I/O expansion in industrial controllers and communications equipment.
What are the specifications of SN74AHCT574NSRG4?
| YTEOL | 0 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | AHCT/VHCT/VT |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max Frequency@Nom-Sup | 75000000Hz |
| Max I(ol) | 0.008A |
| 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 | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 12ns |
| Propagation Delay (tpd) | 12ns |
| 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 | CMOS |
| Temperature Grade | AUTOMOTIVE |
| 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 | POSITIVE EDGE |
| 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 |
Where can I find the SN74AHCT574NSRG4 datasheet?
SN74AHCT574NSRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74AHCT574NSRG4?
Compatible alternatives and drop-in replacements for SN74AHCT574NSRG4:
Bus Driver, AHCT/VHCT/VT Series, 8-Func, 8-Bit, True Output, CMOS, PDSO20
Bus Driver, AHCT/VHCT/VT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20
Frequently Asked Questions
Which design use cases are a practical fit for SN74AHCT574NSRG4?
SN74AHCT574NSRG4 is a Integrated Circuit from Texas Instruments suited to embedded systems, industrial electronics, communication equipment, test fixtures, and production BOM sourcing. The 20 pins detail helps engineers confirm schematic fit, interface allocation, and sourcing suitability before BOM approval.
How should engineers check package compatibility for SN74AHCT574NSRG4 during layout review?
Use the Small Outline Packages package information together with 20 pins when comparing footprints, assembly drawings, and mating or socket constraints. This reduces layout risk before prototype or production purchasing.
What should procurement keep aligned when cross-referencing SN74AHCT574NSRG4 against alternates?
Cross-reference checks should preserve the manufacturer, Integrated Circuit function, package style, lifecycle status, and at least one key parameter such as -40°C to 125°C. Matching these details lowers substitution risk across 1 approved BOM.
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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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