74LVTH162373ZQLR Texas Instruments Integrated Circuit (BGA) In Stock
The 74LVTH162373ZQLR is a 16-bit transparent D-type latch from Texas Instruments in the LVT family, operating at 2.5V to 3.6V with 3-state outputs for bus driving. It features dual 8-bit enable controls and supports mixed 3.3V/5V interfacing. Suitable for high-density memory bus buffering and FPGA I/O expansion in embedded systems.
- Manufacturer
- Texas Instruments
- Package
- BGA
- Pin Count
- 56
- Lifecycle
- OBSOLETE
- Datasheet
- 74LVTH162373ZQLR 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
- 16-bit transparent D-type latch with 3-state outputs for driving shared memory and data buses at 2.5V to 3.6V
- Dual independent 8-bit output-enable controls allowing flexible bus partitioning in FPGA and DSP designs
- Mixed-voltage I/O supporting 5V-tolerant inputs for seamless 3.3V-to-5V bus interfacing without level shifters
- 50 pF load capacitance rating and 12 mA output drive sustaining signal integrity on long backplane traces
- Compact 56-ball BGA package minimizing PCB footprint in high-density server and communications line-card layouts
Applications
The 74LVTH162373ZQLR is used to buffer wide address and data buses in memory subsystems, where its 16-bit width reduces the number of latch ICs and simplifies board layout. Its 3-state outputs make it a natural fit for FPGA I/O expansion and bus isolation in embedded computing platforms operating from 3.3V rails. The device is also deployed in industrial control backplanes and communications equipment where multiple boards share a common 16-bit parallel bus.
Specifications
| YTEOL | 0 |
| Control Type | ENABLE LOW/HIGH |
| Count Direction | UNIDIRECTIONAL |
| Family | LVT |
| JESD-30 Code | R-PBGA-B56 |
| JESD-609 Code | e1 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.012A |
| Number of Bits | 8 |
| Number of Functions | 2 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE WITH SERIES RESISTOR |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA56,6X10,25 |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 5mA |
| Prop. Delay@Nom-Sup | 4.6ns |
| Propagation Delay (tpd) | 5.8ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | TIN SILVER COPPER |
| Terminal Form | BALL |
| Terminal Pitch | 0.65mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 74LVTH162373ZQLR handle mixed 3.3V and 5V bus interfacing in a memory controller design?
The device's 5V-tolerant inputs accept logic driven from legacy 5V components while its outputs switch at 3.3V levels, eliminating the need for external level-shift buffers and reducing component count on a 16-bit address bus by at least 2 devices.
For a high-density FPGA I/O expansion board, how does the BGA-56 package compare to TSSOP alternatives for the 74LVTH162373ZQLR?
The 56-ball BGA package offers a smaller PCB footprint than a 56-pin TSSOP, reducing routed trace length on a 16-bit bus and improving signal integrity at switching speeds above 100 MHz for FPGA-based data acquisition or communications designs.
Which backplane bus architectures can the 74LVTH162373ZQLR buffer across its 16 latch outputs?
The device supports unidirectional bus driving with 12 mA output current and 50 pF rated load capacitance, making it suitable for buffering VME, CompactPCI, or custom industrial backplanes with traces up to several inches at 3.3V bus voltages.
When is the 74LVTH162373ZQLR preferred over a 74FCT series latch for 3.3V embedded processor designs?
The LVT family operates from 2.5V to 3.6V and draws lower quiescent current than most 74FCT devices, making the 74LVTH162373ZQLR the better choice for battery-backed embedded processors where standby power on the 16-bit data bus must stay below 1 mW.
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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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