SN74AHCT374DGVRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments SN74AHCT374DGVRG4 is an octal D-type edge-triggered flip-flop with 3-state outputs, operating up to 75 MHz in a 20-pin VSOP package. It features active-low output enable and AHCT logic family compatibility for 5 V input signals. Designed for data bus latching, pipelining, and address register applications in digital systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74AHCT374DGVRG4 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
What are the key features of SN74AHCT374DGVRG4?
- Octal 8-bit D-type edge-triggered flip-flop with 3-state outputs for bus isolation
- 75 MHz maximum operating frequency for high-speed bus and pipeline register designs
- Active-low output enable pin allowing bus tri-state isolation in shared bus architectures
- AHCT family 5 V-compatible inputs for seamless interfacing with 5 V logic sources
- 50 pF load capacitance rating supporting standard digital bus drive requirements
What is SN74AHCT374DGVRG4 used for?
The SN74AHCT374DGVRG4 is used in digital bus interfaces, pipeline data registers, and address latching circuits in microprocessor, FPGA, and memory interface designs. Its 3-state outputs and 75 MHz speed make it suitable for parallel data buffering, I/O port expansion, and multi-master bus arbitration in industrial control systems and embedded computing platforms.
What are the specifications of SN74AHCT374DGVRG4?
| YTEOL | 0 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | AHCT/VHCT/VT |
| JESD-30 Code | R-PDSO-G20 |
| 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 | TSSOP20,.25,16 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 11.5ns |
| Propagation Delay (tpd) | 11.5ns |
| 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 | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.4mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trigger Type | POSITIVE EDGE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74AHCT374DGVRG4 datasheet?
SN74AHCT374DGVRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74AHCT374DGVRG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
For a 16-bit data bus interface, can two SN74AHCT374DGVRG4 devices be cascaded for a complete 16-bit register?
Yes, two SN74AHCT374DGVRG4 devices each provide 8 bits of registered storage, and cascading them creates a 16-bit latched bus register. Both chips can share a common clock and output enable signal, ensuring simultaneous capture and output of all 16 bits. Their 75 MHz maximum frequency supports high-speed 16-bit bus cycles, and output drive of 8 mA per pin handles typical backplane loads.
How does the AHCT logic family in SN74AHCT374DGVRG4 differ from ACT or HCT when interfacing with 5 V bus drivers?
The AHCT family combines CMOS output drive levels with TTL-compatible input thresholds that accept 5 V input signals, similar to HCT. Compared to ACT, AHCT offers faster propagation times at a given supply voltage and lower power consumption. At 75 MHz maximum frequency, the AHCT variant outperforms standard HCT-family parts at comparable supply voltages of 3.3 V to 5 V.
What package and thermal considerations apply to SN74AHCT374DGVRG4 in high-density PCB designs?
The SN74AHCT374DGVRG4 is housed in a VSOP-20 package, which has a smaller footprint than standard SOIC-20, enabling tighter component placement in high-density digital logic sections. Thermal dissipation is minimal at 75 MHz with 50 pF loads and 8 mA output drive, so no additional thermal management is typically required at standard industrial operating temperatures up to +85°C.
What does the G4 suffix indicate for RoHS compliance and SMT reel availability of SN74AHCT374DGVRG4?
The G4 suffix on SN74AHCT374DGVRG4 indicates RoHS-compliant, lead-free, and halogen-free construction meeting current global environmental directives. The part is supplied in tape-and-reel format compatible with automated SMT pick-and-place assembly equipment. Procurement teams should confirm reel quantity and distributor stock levels when ordering in production volumes of 3,000 to 5,000 units per reel.
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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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