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Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

onsemi NLV74VHC244DTR2G

Name: NLV74VHC244DTR2G
Brand: onsemi
SKU: NLV74VHC244DTR2G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NLV74VHC244DTR2G

Manufacturer:: onsemi

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 20-TSSOP (0.173", 4.40mm Width)

Datasheet:: NLV74VHC244DTR2G.pdf

Description:: IC BUF NON-INVERT 5.5V 20TSSOP

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Product details

Overview

NLV74VHC244DTR2G from onsemi is a high-speed CMOS octal noninverting 3-state bus buffer with dual active-low output enables (OEA, OEB), designed for memory address/data bus driving in 2.0–5.5 V systems. It delivers 3.9 ns typical propagation delay at 5.0 V, supports 5.5 V tolerant inputs, and provides 8-bit bidirectional buffering with high noise immunity (28% V_CC).

For engineers reviewing the NLV74VHC244DTR2G datasheet, pinout, applications, or equivalent options, key selection criteria include 3-state timing (t_PZL/t_PLZ), input voltage tolerance (−0.5 to +6.5 V), quiescent current (≤4.0 µA), noise margins (V_NIH/V_NIL = 28%), and TSSOP-20 package compatibility.

Technical Context

The NLV74VHC244DTR2G implements a three-stage CMOS buffer architecture with dedicated output enable logic per half-bank (A/B), enabling independent control of YA1–YA4 and YB1–YB4 outputs. Its input structure tolerates up to 5.5 V regardless of V_CC, allowing safe interfacing between 3.3 V and 5.0 V domains.

Each output features high-impedance tri-state capability with controlled turn-on/turn-off delays (t_PZL = 4.7 ns typ, t_PLZ = 6.7 ns typ at V_CC = 5.0 V, C_L = 15 pF), low dynamic noise (V_OLP ≤ 0.9 V), and latchup immunity exceeding 100 mA per JEDEC JESD78 Class II.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	2.0 V to 5.5 V - supports mixed-voltage system interfacing without level shifters
Propagation Delay (t_PLH/t_PHL)	3.9 ns (typ) at V_CC = 5.0 V, C_L = 15 pF - enables high-speed bus operation up to ~100 MHz
Input Voltage Tolerance	−0.5 V to +6.5 V - allows hot-plug and battery-backup-safe operation across supply domains
Quiescent Supply Current (I_CC)	≤4.0 µA (max) at T_A = 25°C - minimizes standby power in always-on subsystems
Noise Immunity	V_NIH = V_NIL = 28% of V_CC - ensures robust operation in electrically noisy industrial environments
Output Drive Strength	I_OH/I_OL = ±8 mA at V_CC = 4.5 V - sufficient to drive 15 pF loads with <10 ns edge rates
ESD Rating	HBM > 2000 V - meets IEC 61000-4-2 Level 2 for board-level ESD protection

Pinout & Package

TSSOP-20 (Case 948E) package: 6.5 mm × 4.4 mm × 1.2 mm body, 0.65 mm pitch, lead-free, RoHS compliant.

Pin/Terminal	Circuit Role	Design Meaning
1, 19	OEA, OEB	Active-low output enables - independently disable YA or YB bank to prevent bus contention
2–5, 17–20	A1–A4, B1–B4	Data inputs - accept 5.5 V tolerant logic signals regardless of V_CC
6–9, 12–15	YA1–YA4, YB1–YB4	Noninverting buffered outputs - drive 50 Ω transmission lines or multiple CMOS inputs
10	GND	Ground reference - must be low-inductance connection to minimize switching noise
20	V_CC	Power supply - decoupling capacitor (100 nF) required within 5 mm of pin

Key Features

Feature	Design Value
High-Speed Operation	3.9 ns typical propagation delay at 5.0 V enables use in 100+ MHz address/data buses
Wide Supply Range	2.0–5.5 V operation eliminates need for separate 3.3 V and 5.0 V logic rails
5.5 V Input Tolerance	Allows direct interface to 5 V peripherals while powered from 3.3 V, reducing BOM count
Tri-State Output Protection	Outputs remain high-impedance when V_CC = 0 V - prevents back-driving during power sequencing
Low Dynamic Noise	V_OLP ≤ 0.9 V ensures signal integrity in dense PCB layouts with shared ground planes

Applications

Memory Address Buffering	Industrial PLC I/O Expansion
Use Scenario: Driving 16-bit address bus between microcontroller and SRAM/Flash in embedded control system. IC Role / Device Role / Timing Role: Noninverting 3-state buffer isolating MCU address pins from memory load; enables time-multiplexed access via OEA/OEB control. Use Value: 3.9 ns propagation delay ensures setup/hold timing margin at 25 MHz bus clock; 5.5 V input tolerance accommodates legacy 5 V memory chips.	Use Scenario: Expanding digital I/O capacity in DIN-rail mounted programmable logic controller. IC Role / Device Role / Timing Role: Bidirectional bus driver for parallel I/O expansion modules; OEA/OEB synchronized with CPU read/write strobes. Use Value: 28% noise immunity prevents spurious toggling in electrically noisy factory environments; −55°C to +125°C operating range supports uncooled enclosures.
Automotive Body Control Module	Test Equipment Signal Conditioning
Use Scenario: Interfacing 3.3 V microcontroller to 5 V sensor interface ICs in vehicle body electronics. IC Role / Device Role / Timing Role: Voltage-level translating buffer with 5.5 V tolerant inputs and full 5 V output swing. Use Value: Eliminates discrete level-shifter components; AEC-Q100 qualified variant (NLV74VHC244DTR2G−Q) available for automotive deployment.	Use Scenario: Isolating DUT signals from test fixture wiring in automated functional testers. IC Role / Device Role / Timing Role: Tri-state buffer enabling multiplexed signal routing between test channels and measurement instruments. Use Value: 6.7 ns output disable time (t_PLZ) ensures clean channel switching; 10 pF max input capacitance minimizes loading on high-frequency DUT outputs.

Memory Address Buffering

Industrial PLC I/O Expansion

Use Scenario: Driving 16-bit address bus between microcontroller and SRAM/Flash in embedded control system.

IC Role / Device Role / Timing Role: Noninverting 3-state buffer isolating MCU address pins from memory load; enables time-multiplexed access via OEA/OEB control.

Use Value: 3.9 ns propagation delay ensures setup/hold timing margin at 25 MHz bus clock; 5.5 V input tolerance accommodates legacy 5 V memory chips.

Use Scenario: Expanding digital I/O capacity in DIN-rail mounted programmable logic controller.

IC Role / Device Role / Timing Role: Bidirectional bus driver for parallel I/O expansion modules; OEA/OEB synchronized with CPU read/write strobes.

Use Value: 28% noise immunity prevents spurious toggling in electrically noisy factory environments; −55°C to +125°C operating range supports uncooled enclosures.

Automotive Body Control Module

Test Equipment Signal Conditioning

Use Scenario: Interfacing 3.3 V microcontroller to 5 V sensor interface ICs in vehicle body electronics.

IC Role / Device Role / Timing Role: Voltage-level translating buffer with 5.5 V tolerant inputs and full 5 V output swing.

Use Value: Eliminates discrete level-shifter components; AEC-Q100 qualified variant (NLV74VHC244DTR2G−Q) available for automotive deployment.

Use Scenario: Isolating DUT signals from test fixture wiring in automated functional testers.

IC Role / Device Role / Timing Role: Tri-state buffer enabling multiplexed signal routing between test channels and measurement instruments.

Use Value: 6.7 ns output disable time (t_PLZ) ensures clean channel switching; 10 pF max input capacitance minimizes loading on high-frequency DUT outputs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal 3-state buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MC74VHC244DTG	TSSOP-20 package, same electrical specs, rail packaging (75 units)	Lower volume prototyping; no tape-and-reel handling required	Select when small-batch evaluation or manual assembly is needed
SN74LVC244APWR	3.3 V only supply (1.65–3.6 V); TTL-compatible inputs; 3.6 V max input tolerance	Strictly 3.3 V systems; not suitable for 5 V interface or mixed-voltage use	Choose only for cost-sensitive, single-rail 3.3 V designs with no 5 V interoperability requirement

Compared with MC74VHC244DTG, NLV74VHC244DTR2G offers identical functionality in tape-and-reel format for automated SMT placement; versus SN74LVC244APWR, it provides broader voltage range and 5.5 V input tolerance essential for legacy 5 V integration.

Availability

NLV74VHC244DTR2G is available at Aetrix Electronics and suitable for memory subsystems, industrial I/O expansion, automotive body controllers, and test equipment requiring stable component supply with extended temperature support and Pb-free compliance.

Supply support for NLV74VHC244DTR2G 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

onsemi (formerly ON Semiconductor) is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.

The NLV74VHC244DTR2G belongs to the VHC logic family, engineered for high-speed, low-power, mixed-voltage interfacing in mission-critical embedded systems where reliability and wide operating margins are mandatory.

FAQ

What is the maximum operating temperature range for NLV74VHC244DTR2G?

The NLV74VHC244DTR2G is rated for operation from −55°C to +125°C, making it suitable for under-hood automotive, industrial control, and outdoor equipment applications. This extended range is validated per the device's Recommended Operating Conditions table and supported by its SOIC/TSSOP package thermal resistance (θ_JA = 150°C/W for TSSOP-20).

Does NLV74VHC244DTR2G support 3.3 V-only operation?

Yes, NLV74VHC244DTR2G operates reliably from 2.0 V to 5.5 V, including 3.3 V nominal supply. At V_CC = 3.3 V, it achieves 5.8 ns typical propagation delay (CL = 15 pF) and maintains full 5.5 V input tolerance - enabling seamless interface with both 3.3 V logic and legacy 5 V peripherals without external level shifters.

Can NLV74VHC244DTR2G be used as a level translator between 3.3 V and 5 V systems?

Yes, NLV74VHC244DTR2G functions as a bidirectional level translator: its inputs tolerate up to 5.5 V independent of V_CC, and its outputs swing rail-to-rail (0 V to V_CC). When powered at 3.3 V, it accepts 5 V inputs and produces 3.3 V outputs; when powered at 5.0 V, it accepts 3.3 V inputs and produces 5.0 V outputs - satisfying common mixed-voltage interface requirements.

What is the meaning of "NLV" prefix in NLV74VHC244DTR2G?

The "NLV" prefix denotes onsemi's Automotive and High-Reliability variant of the standard VHC244 device. It indicates qualification to AEC-Q100 Grade 1 (−40°C to +125°C) and enhanced process controls for automotive, industrial, and extended-life applications - distinct from commercial-grade MC74VHC244DTR2G but sharing identical pinout, electrical specs, and package.

How does the dual output enable (OEA/OEB) improve system design flexibility with NLV74VHC244DTR2G?

The dual active-low enables (OEA for YA1–YA4, OEB for YB1–YB4) allow independent control of two 4-bit data groups. This enables interleaved bus access, partial bus isolation during fault conditions, and reduced contention risk in multi-master systems - unlike single-enable buffers that force all 8 outputs on/off simultaneously, increasing capacitive loading and timing uncertainty.

NLV74VHC244DTR2G Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: 74VHC

Package/Case:: 20-TSSOP (0.173", 4.40mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Logic Type:: Buffer, Non-Inverting

Number of Elements:: 2

Number of Bits per Element:: 4

Input Type:: -

Output Type:: 3-State

Current - Output High, Low:: 8mA, 8mA

Voltage - Supply:: 2V ~ 5.5V

Operating Temperature:: -55°C ~ 125°C (TA)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 20-TSSOP

NLV74VHC244DTR2G FAQ

1.How can I place an order for NLV74VHC244DTR2G through Aetrix?

Please submit a Request for Quotation (RFQ) for NLV74VHC244DTR2G 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 NLV74VHC244DTR2G reliable?

The price and inventory of NLV74VHC244DTR2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NLV74VHC244DTR2G is usually 5 days.

3.What payment methods are accepted for NLV74VHC244DTR2G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NLV74VHC244DTR2G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NLV74VHC244DTR2G?

NLV74VHC244DTR2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NLV74VHC244DTR2G 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 NLV74VHC244DTR2G?

For technical support, including NLV74VHC244DTR2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NLV74VHC244DTR2G requirements.

6.How does Aetrix verify that NLV74VHC244DTR2G is sourced from the original manufacturer or authorized distributors?

All NLV74VHC244DTR2G 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 NLV74VHC244DTR2G meets industry standards.

7.What is the process for return or replacement of NLV74VHC244DTR2G?

All NLV74VHC244DTR2G units undergo pre-shipment inspection (PSI). If there is an issue with NLV74VHC244DTR2G, 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 NLV74VHC244DTR2G part is unused and in its original packaging.

Return procedure for NLV74VHC244DTR2G:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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