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Texas Instruments SN74LVT162244AZRDR
- Part No.:
- SN74LVT162244AZRDR
- Manufacturer:
- Texas Instruments
- Package:
- 54-TFBGA
- Datasheet:
-
SN74LVT162244AZRDR.pdf
- Description:
- IC BUFFER NON-INVERT 3.6V 54BGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SN74LVT162244AZRDR from Texas Instruments is a 3.3-V ABT 16-bit buffer/driver with 3-state outputs, designed for mixed-mode interfacing between 3.3-V logic and 5-V systems. It provides true outputs, four independent 4-bit channels, 12-mA output drive capability, integrated 22-Ω series termination resistors, and supports hot insertion via Ioff and power-up 3-state. Used in high-speed bus interface applications such as memory address/data buffering in industrial control backplanes.
For engineers reviewing the SN74LVT162244AZRDR datasheet, SN74LVT162244AZRDR pinout, SN74LVT162244AZRDR application, or SN74LVT162244AZRDR equivalent, key selection considerations include 3.3-V VCC operation with 5-V tolerant inputs, distributed VCC/GND pinning for noise reduction, flow-through pinout for optimized PCB layout, and guaranteed hot-insertion support per JESD 78 Class II latch-up performance.
Technical Context
The SN74LVT162244AZRDR implements four independent 4-bit noninverting buffers, each with an active-low output-enable (OE) input. Its ABT (Advanced BiCMOS Technology) architecture enables TTL-level compatibility while operating from a 2.7–3.6-V supply, with input voltage tolerance up to 5.5 V and output voltage swing referenced to VCC.
It features distributed power and ground pins across the package to minimize simultaneous switching noise, and its flow-through pinout-inputs on one side, outputs on the opposite-reduces trace crossovers. The device enters high-impedance state when VCC is below 1.5 V or when OE is asserted low, and includes built-in 22-Ω series resistors on all outputs to suppress overshoot/undershoot without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Supply Range | 2.7 V to 3.6 V - Enables stable operation under unregulated battery or noisy rail conditions down to 2.7 V. |
| Input Voltage Tolerance | Up to 5.5 V - Allows direct connection to 5-V TTL buses without level-shifting circuitry. |
| Output Drive Strength | ±12 mA - Sufficient to drive standard 50-Ω transmission lines or multiple CMOS/TTL loads. |
| Output Series Resistance | 22 Ω (integrated) - Eliminates need for external series termination resistors, reducing BOM count and board space. |
| Propagation Delay (tPLH/tPHL) | Typ. 3.4 ns at VCC = 3.3 V - Supports >200-MHz data rates in point-to-point or short-bus configurations. |
| Hot-Insertion Support | Ioff and power-up 3-state enabled - Prevents backdrive current and bus contention during live card insertion. |
| Latch-Up Immunity | >100 mA per JESD 78 Class II - Ensures robustness in industrial environments with transient coupling. |
Pinout & Package
VFBGA package (ZRD, 54-ball, 0.5-mm pitch), footprint-optimized for high-density routing. Ball grid layout follows JEDEC MO-153-compliant ZQL/ZRD mechanical standard with dedicated VCC/GND pairs per quadrant to suppress simultaneous switching noise.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1Y1–1Y4, 2Y1–2Y4, 3Y1–3Y4, 4Y1–4Y4 | True buffered outputs | Four groups of 4-bit noninverting outputs, each independently controlled by corresponding OE signal. |
| 1A1–1A4, 2A1–2A4, 3A1–3A4, 4A1–4A4 | Buffer inputs | Corresponding input signals for each 4-bit channel; 5-V tolerant with VI ≤ 5.5 V. |
| 1OE, 2OE, 3OE, 4OE | Active-low output-enable | Independent gating per 4-bit group; drives outputs high-impedance when high. |
| VCC (Balls C3, C4, G3, G4, H3, H4, J3, J4) | Supply voltage | Distributed across package to reduce IR drop and improve PSRR at high frequencies. |
| GND (Balls B3, B4, D3, D4, E3, E4, G7, G8, H7, H8, J7, J8) | Ground reference | 12 dedicated GND balls minimize ground bounce and provide low-inductance return paths. |
Key Features
| Feature | Design Value |
|---|---|
| Mixed-mode signal operation | 3.3-V VCC with 5-V input/output voltage tolerance enables seamless interconnection between legacy 5-V and modern 3.3-V subsystems. |
| Integrated 22-Ω output series resistors | Eliminates external termination components, reduces PCB area, and improves signal integrity on unterminated traces. |
| Distributed VCC and GND pins | 12 GND and 8 VCC balls placed strategically across the 54-ball array suppress high-frequency switching noise and improve EMI performance. |
| Flow-through architecture | Input and output terminals located on opposite sides of the package simplify layer routing and minimize trace length mismatch in parallel buses. |
| Hot-insertion support | Ioff circuitry disables outputs when powered down; power-up 3-state prevents bus conflicts during power sequencing - critical for modular backplane systems. |
Applications
| Industrial Backplane Bus Interface | Memory Address/Data Buffering |
|---|---|
Use Scenario: Isolating and driving address/data lines between a 3.3-V FPGA controller and 5-V legacy memory modules in programmable logic controllers. IC Role / Device Role / Timing Role: Noninverting 16-bit buffer providing level translation, drive strength enhancement, and bus isolation with 3-state control per 4-bit segment. Use Value: Enables direct connection without external level shifters; 22-Ω series resistors suppress reflections on 10-cm backplane traces, maintaining signal integrity at 100-MHz clock rates. |
Use Scenario: Driving multiplexed address lines from a 3.3-V microcontroller to dual-rank DDR2 SDRAM operating at 5-V-compatible I/O levels. IC Role / Device Role / Timing Role: 16-bit address driver with independent OE control per nibble, supporting staggered enable timing to reduce peak current draw. Use Value: Distributed VCC/GND pins limit ground bounce to <0.8 V (VOLP), preventing setup/hold violations during high-speed address strobing. |
| Hot-Swappable Module Interconnect | Test Equipment Signal Conditioning |
Use Scenario: Enabling safe insertion/removal of I/O expansion cards into a powered 3U CompactPCI chassis with shared 5-V peripheral bus. IC Role / Device Role / Timing Role: Hot-insertion–qualified buffer isolating module-local 3.3-V logic from backplane 5-V signaling, with Ioff and power-up 3-state behavior. Use Value: Prevents damaging backdrive current during card insertion; guarantees high-Z state during VCC ramp-up from 0 to 3.3 V, eliminating bus contention. |
Use Scenario: Conditioning digital stimulus signals from a 3.3-V pattern generator before injection into 5-V DUTs in automated test equipment. IC Role / Device Role / Timing Role: Precision 16-bit line driver with matched propagation delay (<0.5 ns skew) and low-output impedance for clean edge fidelity. Use Value: Integrated 22-Ω resistors dampen ringing on 50-Ω coaxial cables; tPLH/tPHL matching ensures sub-nanosecond timing alignment across all 16 channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit buffer/driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC16244ADGGR | Lower drive (±24 mA), 1.65–3.6-V VCC range, no integrated series resistors, LVC logic family. | Better suited for ultra-low-power 1.8-V/2.5-V systems; requires external termination for signal integrity on longer traces. | Select when operating below 2.7 V or when higher drive and lower static current are prioritized over built-in termination. |
| SN74ALVC162244DGGR | ALVC family: 1.65–3.6-V VCC, ±24 mA drive, no integrated resistors, faster tPD (~2.3 ns), higher ICC. | Optimized for speed-critical 2.5-V/3.3-V interfaces where external termination is acceptable and layout space allows discrete resistors. | Choose for maximum speed in compact 3.3-V-only systems where board area permits external 33-Ω resistors and noise margin is less constrained. |
Compared with SN74LVC16244ADGGR and SN74ALVC162244DGGR, the SN74LVT162244AZRDR uniquely combines 5-V input tolerance, integrated 22-Ω termination, and guaranteed hot-insertion support - making it the only option among the three qualified for mixed-voltage backplane and live-insertion applications without design compromises.
Availability
SN74LVT162244AZRDR is available at Aetrix Electronics and suitable for industrial backplane interfaces, memory subsystem buffering, hot-swappable module interconnects, and test equipment signal conditioning requiring stable component supply and long-term lifecycle continuity.
Supply support for SN74LVT162244AZRDR 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 heritage in high-reliability interface ICs and widebus technologies.
The SN74LVT162244AZRDR belongs to TI's Widebus™ ABT logic family, engineered specifically for high-speed, mixed-voltage bus interfacing in industrial, telecom, and computing infrastructure where signal integrity, hot-swap capability, and layout efficiency are critical.
FAQ
What is the recommended operating voltage range for the SN74LVT162244AZRDR?
The SN74LVT162244AZRDR is specified for a supply voltage (VCC) range of 2.7 V to 3.6 V. Operation within this window ensures full compliance with all AC and DC specifications, including output drive strength, propagation delay, and input threshold levels. Below 2.7 V, VOL and VOH may degrade; above 3.6 V risks exceeding absolute maximum ratings.
Does the SN74LVT162244AZRDR support 5-V input signals while powered from 3.3 V?
Yes, the SN74LVT162244AZRDR supports input voltages up to 5.5 V while operating from a 3.3-V VCC supply. This 5-V tolerance is explicitly guaranteed in the datasheet and enables direct interfacing with legacy 5-V TTL logic without external level shifters - a core feature of the ABT logic family.
How does the SN74LVT162244AZRDR handle hot insertion in live backplane systems?
The SN74LVT162244AZRDR incorporates both Ioff and power-up 3-state circuitry. When VCC = 0 V, Ioff disables all outputs to prevent backdrive current. During power-up, the outputs remain in high-impedance until VCC exceeds ~1.5 V - ensuring no bus contention occurs during live card insertion into a powered system.
Are external series termination resistors required when using the SN74LVT162244AZRDR?
No. The SN74LVT162244AZRDR integrates 22-Ω series resistors on all 16 outputs, specifically designed to dampen overshoot and undershoot on typical PCB traces. This eliminates the need for discrete 22–33-Ω resistors, simplifying layout and reducing BOM cost - confirmed in the device's "Output Ports Have Equivalent 22-Ω Series Resistors" feature statement.
What package type and pin count does the SN74LVT162244AZRDR use?
The SN74LVT162244AZRDR uses a 54-ball Very Thin Fine-Pitch Ball Grid Array (VFBGA) package designated ZRD, with 0.5-mm ball pitch and JEDEC MO-153 mechanical compliance. Its pinout includes 16 inputs, 16 outputs, 4 OE controls, 8 VCC, and 12 GND connections - optimized for noise suppression and high-density routing.
SN74LVT162244AZRDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74LVT
- Package/Case:
- 54-TFBGA
- 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:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 54-BGA Microstar Junior (8x5.5)
SN74LVT162244AZRDR FAQ
1.How can I place an order for SN74LVT162244AZRDR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74LVT162244AZRDR 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 SN74LVT162244AZRDR reliable?
The price and inventory of SN74LVT162244AZRDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74LVT162244AZRDR is usually 5 days.
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4.How is shipping managed for SN74LVT162244AZRDR?
SN74LVT162244AZRDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74LVT162244AZRDR 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 SN74LVT162244AZRDR?
For technical support, including SN74LVT162244AZRDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74LVT162244AZRDR requirements.
6.How does Aetrix verify that SN74LVT162244AZRDR is sourced from the original manufacturer or authorized distributors?
All SN74LVT162244AZRDR 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 SN74LVT162244AZRDR meets industry standards.
7.What is the process for return or replacement of SN74LVT162244AZRDR?
All SN74LVT162244AZRDR units undergo pre-shipment inspection (PSI). If there is an issue with SN74LVT162244AZRDR, 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 SN74LVT162244AZRDR part is unused and in its original packaging.
Return procedure for SN74LVT162244AZRDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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