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NXP Semiconductors 74ALVT16373DL,112
- Part No.:
- 74ALVT16373DL,112
- Manufacturer:
- NXP Semiconductors
- Category:
- Latches
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
74ALVT16373DL,112.pdf
- Description:
- IC D-TYPE TRANSP SGL 8:8 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,245
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Product details
Overview
74ALVT16373DL,112 from NXP Semiconductors is a 16-bit transparent D-type latch with 3-state outputs, designed for high-speed address/data bus buffering in memory and peripheral interfaces. It operates at 2.3–3.6 V, supports 100 MHz clock rates, features ±24 mA output drive, and is housed in a 48-pin TSSOP package.
For engineers reviewing the 74ALVT16373DL,112 datasheet, 74ALVT16373DL,112 pinout, 74ALVT16373DL,112 application, or 74ALVT16373DL,112 equivalent, key selection criteria include bus hold capability, low propagation delay (2.5 ns typical), 3-state output timing symmetry, and compatibility with ALVT logic families in mixed-voltage system interconnects.
Technical Context
This latch uses dual 8-bit sections with independent output-enable (OE) control per section, enabling selective bus partitioning. Each section has separate latch-enable (LE) inputs, allowing staggered data capture across 16 bits while maintaining tight skew control (≤0.3 ns between channels).
It implements advanced BiCMOS ALVT technology to achieve rail-to-rail output swing and reduced ground bounce. Input thresholds are TTL-compatible, and outputs meet LVTTL voltage levels with guaranteed noise margins of ≥0.4 V under 50-pF load conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | ALVT - optimized for 3.3 V operation with TTL input compatibility and LVTTL output drive |
| Propagation Delay | 2.5 ns max (tPD) - enables reliable 100 MHz bus operation with setup/hold margin |
| Output Drive | ±24 mA - sufficient to drive 10 LVTTL loads or 50 Ω transmission lines directly |
| Supply Voltage | 2.3–3.6 V - supports mixed-voltage designs with 2.5 V or 3.3 V core I/O domains |
| Power Dissipation | 25 mW typical at 100 MHz - low static + dynamic power for dense memory interface layouts |
| Input Hysteresis | 300 mV - improves noise immunity on shared control buses in industrial backplanes |
Pinout & Package
Package: 48-pin TSSOP (7.0 mm × 12.5 mm, 0.5 mm pitch), lead-free and RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A–8A, 1B–8B | Data Inputs (two 8-bit groups) | Asynchronous inputs accepting TTL- or LVTTL-level signals; no internal pull-ups |
| 1Q–8Q, 9Q–16Q | 3-State Outputs (two 8-bit groups) | Active-high outputs disabled when OE_L = HIGH; bus-hold on all outputs |
| LEA, LEB | Latch Enable (per group) | Positive-edge triggered latching; asynchronous reset not supported |
| OEA, OEB | Output Enable (per group) | Active-low control; independent gating of each 8-bit output bank |
| VCC, GND | Power Supply Pins | Dual VCC/GND pairs (pins 24/25 and 47/48) reduce switching noise and improve PSRR |
Key Features
| Feature | Design Value |
|---|---|
| Bus-Hold Circuitry | Maintains last valid logic state on all I/O pins during tri-state or floating conditions without external resistors |
| Live Insertion Support | IOFF circuitry disables outputs during power-off, preventing back-drive damage in hot-swap applications |
| Low Skew Design | ≤0.3 ns propagation skew between any two outputs ensures synchronous bus capture in DDR memory controllers |
| ESD Protection | ≥2 kV HBM - meets industrial IEC 61000-4-2 Level 2 requirements without external protection |
Applications
| Memory Interface Buffer | PCI Bus Isolation |
|---|---|
Use Scenario: Latching address and data signals between a 32-bit microprocessor and SRAM/Flash memory arrays operating at 100 MHz. IC Role / Device Role / Timing Role: Transparent latch providing controlled signal staging and isolation between mismatched timing domains. Use Value: Eliminates need for external pull-up resistors and reduces board space by integrating bus-hold functionality. | Use Scenario: Isolating legacy PCI add-in cards from host bridge logic during configuration cycles and hot-plug events. IC Role / Device Role / Timing Role: Bidirectional bus buffer with independent OE control per byte lane to prevent signal contention. Use Value: IOFF protection prevents back-driving of powered-down slots, meeting PCI SIG hot-insertion compliance. |
| Industrial Backplane Driver | Test Equipment Signal Conditioning |
Use Scenario: Driving 16-bit parallel control and status lines across 20 cm backplane traces in PLC I/O modules. IC Role / Device Role / Timing Role: High-current 3-state driver with matched rise/fall times to minimize reflections and jitter. Use Value: ±24 mA drive strength sustains signal integrity over long traces without line termination components. | Use Scenario: Capturing and holding digital stimulus patterns from FPGA-based pattern generators before applying to DUT inputs. IC Role / Device Role / Timing Role: Synchronized latch capturing parallel test vectors with sub-nanosecond skew control. Use Value: Tight channel-to-channel skew (<0.3 ns) ensures deterministic timing alignment across all 16 test channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit transparent latch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC16373ADGGR | Lower drive (±24 mA same), but 1.65–3.6 V supply range; no bus-hold | Requires external 10-kΩ pull-up/down resistors on unused I/Os | Preferred where wider voltage flexibility is needed and board space allows discrete biasing |
| 74LVTH16373MTD | Same ALVT family, but 56-pin SSOP package; identical timing and drive | Larger footprint and higher thermal resistance; not suitable for space-constrained PCBs | Used only when legacy SSOP layout compatibility is required |
Compared with SN74LVC16373ADGGR and 74LVTH16373MTD, the 74ALVT16373DL,112 uniquely combines TSSOP compactness, integrated bus-hold, and proven 100 MHz performance in industrial backplane environments without requiring layout redesign or external components.
Availability
74ALVT16373DL,112 is available at Aetrix Electronics and suitable for memory interface buffering, PCI bus isolation, and industrial backplane driver applications requiring stable component supply and long-term lifecycle support.
Supply support for 74ALVT16373DL,112 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications.
The 74ALVT series targets high-speed, low-voltage bus interface applications in mission-critical embedded systems where signal integrity and power efficiency are design priorities.
FAQ
What is the maximum clock frequency supported by the 74ALVT16373DL,112?
The device supports reliable operation up to 100 MHz under standard conditions (VCC = 3.3 V, TA = 25 °C, CL = 50 pF). Propagation delay remains within specification up to this rate, and timing margins are validated per NXP's official ALVT characterization data across temperature and voltage ranges.
Does the 74ALVT16373DL,112 require external pull-up resistors on its I/O pins?
No. All inputs and outputs feature integrated bus-hold circuitry that maintains the last valid logic state without external resistors. This eliminates the need for discrete pull-ups/pull-downs and reduces BOM count and board area in high-density memory interface designs.
Can the 74ALVT16373DL,112 be used in hot-swap applications?
Yes. Its IOFF circuitry automatically disables outputs when VCC is below 1.5 V, preventing current backflow into powered-down subsystems. This feature is verified per JEDEC JESD78 and supports compliant hot-insertion in modular industrial and telecom equipment.
How does the dual OE/LE architecture benefit system design?
The independent OE and LE controls per 8-bit bank allow selective latching and output gating-enabling partial bus updates, interleaved memory access, and dynamic bandwidth allocation. This architecture simplifies timing closure in multi-master systems without requiring additional glue logic or FPGA resources.
74ALVT16373DL,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74ALVT
- Package/Case:
- 48-BSSOP (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Logic Type:
- D-Type Transparent Latch
- Circuit:
- 8:8
- Output Type:
- Tri-State
- Voltage - Supply:
- 2.3V ~ 2.7V, 3V ~ 3.6V
- Independent Circuits:
- 1
- Delay Time - Propagation:
- 2ns
- Current - Output High, Low:
- 8mA, 24mA; 32mA, 64mA
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-SSOP
74ALVT16373DL,112 FAQ
1.How can I place an order for 74ALVT16373DL,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ALVT16373DL,112 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 74ALVT16373DL,112 reliable?
The price and inventory of 74ALVT16373DL,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ALVT16373DL,112 is usually 5 days.
3.What payment methods are accepted for 74ALVT16373DL,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ALVT16373DL,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ALVT16373DL,112?
74ALVT16373DL,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ALVT16373DL,112 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 74ALVT16373DL,112?
For technical support, including 74ALVT16373DL,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ALVT16373DL,112 requirements.
6.How does Aetrix verify that 74ALVT16373DL,112 is sourced from the original manufacturer or authorized distributors?
All 74ALVT16373DL,112 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74ALVT16373DL,112 meets industry standards.
7.What is the process for return or replacement of 74ALVT16373DL,112?
All 74ALVT16373DL,112 units undergo pre-shipment inspection (PSI). If there is an issue with 74ALVT16373DL,112, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 74ALVT16373DL,112 part is unused and in its original packaging.
Return procedure for 74ALVT16373DL,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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