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Texas Instruments SN74LVC162244AZQLR
- Part No.:
- SN74LVC162244AZQLR
- Manufacturer:
- Texas Instruments
- Package:
- 56-VFBGA
- Datasheet:
-
SN74LVC162244AZQLR.pdf
- Description:
- IC BUFFER NON-INVERT 3.6V 56BGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,191
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Product details
Overview
SN74LVC162244AZQLR from Texas Instruments is a 16-bit noninverting 3-state buffer/driver with four independent 4-bit sections, operating from 1.65 V to 3.6 V, featuring 5.5-V-tolerant inputs, 26-Ω integrated output series resistance, and Ioff support for live insertion-used in memory address buffering, bus isolation, and mixed-voltage level translation in industrial control backplanes.
For engineers reviewing the SN74LVC162244AZQLR datasheet, SN74LVC162244AZQLR pinout, SN74LVC162244AZQLR application, or SN74LVC162244AZQLR equivalent, key selection criteria include VCC range (1.65–3.6 V), tpd ≤ 4.4 ns at 3.3 V, 5.5-V input tolerance, Ioff protection, and 48-pin TVSOP (ZQL) package compatibility with high-density PCB layouts.
Technical Context
This device implements four independent 4-bit noninverting buffers, each with dedicated active-low output-enable (OE) control. Each section drives true (noninverted) outputs with symmetrical drive strength and built-in 26-Ω series termination to suppress overshoot/undershoot without external resistors.
It supports mixed-mode signal operation: inputs tolerate up to 5.5 V regardless of VCC, enabling down-translation from 5-V logic to 3.3-V buses. The Ioff circuit disables outputs and blocks current flow when VCC = 0 V, ensuring safe partial-power-down and hot-swap capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65 V to 3.6 V - Enables direct integration into 1.8-V, 2.5-V, and 3.3-V systems without level shifters. |
| Input Voltage Tolerance | Up to 5.5 V - Allows interfacing with legacy 5-V peripherals while powered from 3.3-V rails. |
| tpd (Max) | 4.4 ns at VCC = 3.3 V - Supports >200-MHz bus timing margins in high-speed address/data paths. |
| Output Drive | ±12 mA per Y output - Sinks or sources sufficient current for LED indicators, TTL loads, and terminated transmission lines. |
| Ioff | < ±10 µA at VCC = 0 V - Prevents back-drive damage during hot-plug or power sequencing in modular systems. |
| ESD Rating | 2000-V HBM, 1000-V CDM - Meets industrial-grade robustness requirements without external protection diodes. |
| Power Dissipation Cap. | 35 pF per buffer at 3.3 V - Predictable dynamic loading for accurate timing analysis and power estimation. |
Pinout & Package
The SN74LVC162244AZQLR is packaged in a 48-ball ZQL (TVSOP) package measuring 9.70 × 4.40 mm, with 0.4-mm pitch and Q1 pin-1 quadrant orientation. It features four ground (GND) and three VCC pins distributed across the package for low-inductance power delivery and noise reduction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OE, 2OE, 3OE, 4OE | Active-low output enable (input) | Individually controls 4-bit sections; asserted low enables corresponding Y outputs, high places them in high-impedance state. |
| 1A1–1A4, 2A1–2A4, 3A1–3A4, 4A1–4A4 | Data inputs (input) | Noninverting inputs for each 4-bit group; accept 0–5.5 V signals regardless of VCC. |
| 1Y1–1Y4, 2Y1–2Y4, 3Y1–3Y4, 4Y1–4Y4 | Buffered outputs (output) | True (noninverted) outputs with 26-Ω series resistance; drive loads directly without external termination. |
| VCC (Pins 7, 18, 31, 42) | Supply voltage | Four dedicated VCC connections reduce IR drop and improve transient response across wide bus widths. |
| GND (Pins 4, 10, 15, 21, 28, 34, 39, 45) | Ground reference | Eight GND pins provide low-impedance return paths, minimizing ground bounce in high-speed switching. |
Key Features
| Feature | Design Value |
|---|---|
| 5.5-V tolerant inputs | Enables seamless interface between 5-V legacy subsystems and 3.3-V core logic without external translators. |
| Integrated 26-Ω output series resistance | Eliminates need for discrete series resistors on each output, reducing BOM count and PCB area in dense bus designs. |
| Ioff partial-power-down protection | Prevents damaging current flow when VCC is unpowered-critical for hot-swap backplane and modular I/O applications. |
| Low ground bounce (VOLP < 0.8 V) | Ensures signal integrity during simultaneous switching of multiple outputs in memory or address drivers. |
| Wide temperature range | Specified from –40°C to +125°C ambient - suitable for under-hood automotive, industrial PLC, and telecom infrastructure. |
Applications
| Memory Address Buffering | Industrial Backplane Isolation |
|---|---|
|
Use Scenario: Driving 16-bit address lines from a microcontroller to multiple SRAM or flash devices on a shared bus. IC Role / Device Role / Timing Role: Noninverting buffer with per-group OE control isolates memory banks and prevents contention during bank switching. Use Value: 4.4-ns propagation delay ensures setup/hold timing compliance at >200-MHz clock rates; 26-Ω output impedance damps reflections on long traces. |
Use Scenario: Interfacing fieldbus modules (e.g., Profibus, CAN) to a central controller via isolated 16-bit data lanes. IC Role / Device Role / Timing Role: Bus driver with Ioff and 5.5-V input tolerance allows safe hot-swap of modules while main system remains powered. Use Value: Independent OE pins enable selective activation of module-specific data paths; 125°C rating supports operation in enclosed enclosures. |
| Motor Drive Control Logic | Mixed-Voltage Test Fixture |
|
Use Scenario: Translating 3.3-V FPGA GPIO outputs to 5-V-compatible control signals for gate drivers and position sensors. IC Role / Device Role / Timing Role: Level translator and current booster for PWM enable, direction, and fault feedback lines. Use Value: 5.5-V input tolerance accepts sensor feedback up to 5 V; ±12-mA drive sustains logic levels across optocoupler inputs and long cables. |
Use Scenario: Automated test equipment (ATE) routing 3.3-V pattern generator outputs to DUTs requiring 5-V logic thresholds. IC Role / Device Role / Timing Role: Programmable bus driver enabling flexible pin mapping and voltage-domain bridging in multi-DUT test racks. Use Value: Four independent OE inputs allow per-lane enable/disable for parallel test execution; low ICC (20 µA) minimizes fixture power consumption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC16244ADGGR | TSSOP-48 (DGG) package; identical electrical specs but larger body size (12.50 × 6.10 mm vs. ZQL's 9.70 × 4.40 mm). | Preferred where board space permits and thermal mass requirements favor TSSOP over TVSOP. | Select when footprint compatibility with legacy DGG-layouts is required or when higher thermal mass improves reliability in sustained high-current operation. |
| SN74ALVC162244DL | SSOP-48 (DL) package; same pinout but wider body (15.88 × 7.49 mm); ALVC variant offers faster tpd (3.5 ns) but narrower VCC range (2.3–3.6 V). | Suitable for fixed 3.3-V systems needing marginally better speed and legacy SSOP socket compatibility. | Choose only if design operates strictly at ≥2.3 V and requires sub-4-ns timing; avoid in battery-powered or 1.8-V systems due to ALVC's lower VCC floor. |
Compared with SN74LVC162244ADGGR and SN74ALVC162244DL, the SN74LVC162244AZQLR delivers optimal density for space-constrained industrial PCBs, maintains full 1.65–3.6-V flexibility, and provides identical functional behavior-making it the preferred choice for new designs prioritizing miniaturization and wide supply adaptability.
Availability
SN74LVC162244AZQLR is available at Aetrix Electronics and suitable for industrial automation, motor control, and test equipment applications requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for SN74LVC162244AZQLR 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions, with decades of expertise in high-reliability interface and bus technologies.
The SN74LVC162244AZQLR belongs to TI's Widebus™ family of advanced logic devices, engineered specifically to enhance density, timing performance, and voltage interoperability in memory addressing, bus driving, and mixed-signal system interconnects.
FAQ
What is the maximum operating temperature for SN74LVC162244AZQLR?
The SN74LVC162244AZQLR is fully specified from –40°C to +125°C ambient temperature. This extended range supports deployment in harsh environments such as industrial motor drives, under-hood automotive modules, and telecom base station hardware where thermal management is constrained.
Does SN74LVC162244AZQLR support hot-swap or live insertion?
Yes, the SN74LVC162244AZQLR includes Ioff circuitry that actively disables outputs and limits leakage to <±10 µA when VCC = 0 V. This feature protects against back-drive damage during hot-plug events in modular backplanes and reconfigurable I/O systems-no external circuitry is required.
Can SN74LVC162244AZQLR translate 5-V inputs to 3.3-V outputs?
Yes, the SN74LVC162244AZQLR accepts input voltages up to 5.5 V regardless of VCC level. When powered at 3.3 V, it reliably converts 5-V logic-high signals to 3.3-V compatible outputs-enabling direct interface with legacy 5-V peripherals without external level shifters.
What is the purpose of the multiple VCC and GND pins on SN74LVC162244AZQLR?
The SN74LVC162244AZQLR has four VCC and eight GND pins strategically distributed to minimize power delivery impedance and reduce simultaneous switching noise. This layout lowers ground bounce (VOLP < 0.8 V) and improves signal integrity in high-speed 16-bit bus applications like memory addressing and data multiplexing.
Is SN74LVC162244AZQLR pin-compatible with other 48-pin Widebus™ buffers?
SN74LVC162244AZQLR shares identical pin functions and assignment with SN74LVC162244A variants in DGG, DGV, and DL packages-but not with unrelated families (e.g., ALVC or AVC). Its ZQL (TVSOP) footprint is mechanically distinct from TSSOP (DGG) and SSOP (DL), though logic-level and timing behavior remain consistent across all LVC162244A orderables.
SN74LVC162244AZQLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74LVC
- Package/Case:
- 56-VFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 4
- Number of Bits per Element:
- 4
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 12mA, 12mA
- Voltage - Supply:
- 1.65V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-BGA Microstar Junior (7x4.5)
SN74LVC162244AZQLR FAQ
1.How can I place an order for SN74LVC162244AZQLR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74LVC162244AZQLR 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 SN74LVC162244AZQLR reliable?
The price and inventory of SN74LVC162244AZQLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74LVC162244AZQLR is usually 5 days.
3.What payment methods are accepted for SN74LVC162244AZQLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74LVC162244AZQLR transactions.
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4.How is shipping managed for SN74LVC162244AZQLR?
SN74LVC162244AZQLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74LVC162244AZQLR 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 SN74LVC162244AZQLR?
For technical support, including SN74LVC162244AZQLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74LVC162244AZQLR requirements.
6.How does Aetrix verify that SN74LVC162244AZQLR is sourced from the original manufacturer or authorized distributors?
All SN74LVC162244AZQLR 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 SN74LVC162244AZQLR meets industry standards.
7.What is the process for return or replacement of SN74LVC162244AZQLR?
All SN74LVC162244AZQLR units undergo pre-shipment inspection (PSI). If there is an issue with SN74LVC162244AZQLR, 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 SN74LVC162244AZQLR part is unused and in its original packaging.
Return procedure for SN74LVC162244AZQLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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