74ALVCH16973DGVRE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The 74ALVCH16973DGVRE4 is an 18-bit bus transceiver and D-type latch from Texas Instruments in the ALVCH logic family, supporting bidirectional data transfer with 1.65 V to 3.6 V supply operation. It provides 24 mA output drive strength with a 50 pF load capacitance rating in a 48-pin SSOP package. Designed for high-speed bus interface and data buffering in memory and microprocessor systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 48
- Lifecycle
- OBSOLETE
- Datasheet
- 74ALVCH16973DGVRE4 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 74ALVCH16973DGVRE4?
- 18-bit bidirectional ALVCH bus transceiver and D-type latch with 1.65 V to 3.6 V supply for mixed-voltage bus interfaces
- 24 mA output drive current with 50 pF load rating enabling high-speed data transfer across long PCB bus traces at low voltage
- 48-pin SSOP package with common control for simultaneous 18-bit latch and transceiver operation in memory buffering designs
What is 74ALVCH16973DGVRE4 used for?
The 74ALVCH16973DGVRE4 is ideal for microprocessor address and data bus buffering, FPGA I/O expansion, and multi-board backplane interfaces requiring bidirectional 18-bit signal routing at 1.65 V to 3.6 V logic levels. It enables voltage level translation between 1.8 V and 3.3 V logic domains in mixed-supply embedded systems and communication equipment. The integrated latch function supports bus multiplexing and data hold applications in DDR memory controllers and high-density processor boards.
What are the specifications of 74ALVCH16973DGVRE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Control Type | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | ALVC/VCX/A |
| JESD-30 Code | R-PDSO-G48 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS TRANSCEIVER |
| Max I(ol) | 0.024A |
| 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 | TSSOP48,.25,16 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Prop. Delay@Nom-Sup | 3ns |
| Propagation Delay (tpd) | 3.3ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 1.65V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.4mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| 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 74ALVCH16973DGVRE4 datasheet?
74ALVCH16973DGVRE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for 74ALVCH16973DGVRE4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range does 74ALVCH16973DGVRE4 support for mixed-voltage bus designs?
The 74ALVCH16973DGVRE4 operates from 1.65 V to 3.6 V supply, enabling level translation and bidirectional data transfer between 1.8 V and 3.3 V logic domains in microprocessor, FPGA, and memory interface designs.
How does the integrated D-type latch in 74ALVCH16973DGVRE4 benefit bus multiplexing designs?
The on-chip D-type latch in the 74ALVCH16973DGVRE4 allows transparent data hold across all 18 bits simultaneously, enabling address bus multiplexing in microprocessor systems without external latch ICs at 1.65 V to 3.6 V supply rails.
What output drive current does 74ALVCH16973DGVRE4 provide for driving loaded bus traces?
The 74ALVCH16973DGVRE4 delivers 24 mA output drive current per pin into a 50 pF load, providing sufficient drive strength for backplane and board-level PCB bus traces with multiple receiving devices at ALVCH logic voltage levels.
In which system-level applications does 74ALVCH16973DGVRE4's 18-bit width provide the most value?
Eighteen-bit width is particularly valuable in 16-bit data bus plus 2-bit parity configurations, DDR memory buffer boards, and FPGA I/O expanders where the 74ALVCH16973DGVRE4 consolidates 18 bidirectional signals in a single 48-pin SSOP package.
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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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