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Home > Products > Integrated Circuits (ICs) > Logic > Gates and Inverters

NXP Semiconductors 74ABT08D,112

Name: 74ABT08D,112
Brand: NXP Semiconductors
SKU: 74ABT08D,112
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74ABT08D,112

Manufacturer:: NXP Semiconductors

Category:: Gates and Inverters

Package:: -

Datasheet:: 74ABT08D,112.pdf

Description:: IC GATE AND

Quantity:: RFQ Add To RFQ list

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Product details

Overview

74ABT08D from Nexperia is a quad 2-input AND gate logic IC in SO14 (SOT108-1) package, operating from 4.5 V to 5.5 V supply, with propagation delays as low as 1.0 ns (tPLH/tPHL), IOFF-enabled partial power-down protection, and guaranteed operation from –40 °C to +85 °C. It serves as a high-speed combinational logic building block in bus interface, address decoding, and control signal gating circuits.

For engineers reviewing the 74ABT08D datasheet, 74ABT08D pinout, 74ABT08D application, or 74ABT08D equivalent, this page delivers verified functional identity, validated SO14 pin mapping, real-world timing and drive specifications, and confirmed alternatives for industrial control and legacy TTL-compatible digital systems.

Technical Context

The 74ABT08D implements four independent 2-input AND gates using BiCMOS technology, combining bipolar speed with CMOS input impedance and output drive strength. Its IOFF circuitry actively disables outputs during VCC = 0 V, preventing backflow current in hot-swap or partial-power-down configurations.

Each gate exhibits symmetric propagation delay (tPLH = tPHL = 1.0–4.0 ns at VCC = 5.0 V), sub-0.5 ns output skew between any two outputs, and TTL-compatible input thresholds (VIL ≤ 0.8 V, VIH ≥ 2.0 V), enabling direct interfacing with legacy 5 V logic families without level translation.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5 V to 5.5 V - Ensures compatibility with standard 5 V TTL/CMOS rails and tolerates ±10 % regulation variation.
Propagation Delay	1.0–4.0 ns (tPLH/tPHL) - Enables reliable operation in >200 MHz clock-domain gating and fast control-path logic.
Output Drive	IOL = 20 mA / IOH = –15 mA - Sinks or sources sufficient current to drive 10+ standard TTL loads or 20+ CMOS inputs.
IOFF Leakage	±100 μA max at VCC = 0 V - Limits backfeed current during partial power-down, protecting upstream/downstream devices.
Operating Temp	–40 °C to +85 °C - Qualified for industrial-grade embedded control, instrumentation, and telecom infrastructure.
ESD Rating	HBM >2000 V, CDM >1000 V - Provides robust handling margin in automated assembly and field-replaceable module environments.

Pinout & Package

74ABT08D is housed in a plastic small outline package (SO14, SOT108-1) with 14 leads, 3.9 mm body width, and standard 1.27 mm lead pitch. Pin 1 is marked by a notch or bevel on the package top-left corner.

Pin/Terminal	Circuit Role	Design Meaning
1, 4, 9, 12	1A, 2A, 3A, 4A	Independent data inputs for each of the four AND gates - accept TTL/CMOS logic levels directly.
2, 5, 10, 13	1B, 2B, 3B, 4B	Second data inputs per gate - paired with corresponding A inputs to form 2-input AND functions.
3, 6, 8, 11	1Y, 2Y, 3Y, 4Y	Active-high AND outputs - each reflects Y = A · B for its respective gate pair.
7	GND	Ground reference (0 V) - must be connected to system common to ensure correct logic thresholds and noise immunity.
14	VCC	Positive supply rail - powers internal BiCMOS circuitry; requires local 100 nF decoupling near pin.

Key Features

Feature	Design Value
BiCMOS process architecture	Delivers 2.4 ns typical propagation delay while maintaining CMOS-level input leakage (<±1.0 μA) and TTL-compatible output drive.
IOFF partial power-down	Automatically disables all outputs when VCC = 0 V, eliminating destructive back-current paths in mixed-voltage or hot-plug subsystems.
Latch-up immunity	Exceeds 500 mA per JESD78B Class II Level A - ensures robustness against transient overvoltage and ground bounce events.
Wide temperature range	Specified across –40 °C to +85 °C with no derating - supports deployment in uncontrolled industrial enclosures and outdoor equipment.

Applications

Bus Interface Logic

Address Decoding

Use Scenario: Isolating data bus segments during DMA transfers or peripheral arbitration in microcontroller-based systems.

IC Role / Device Role / Timing Role: Quad AND gate enables/disables bidirectional data flow based on chip-select and direction-control signals.

Use Value: Sub-4 ns propagation ensures minimal bus turnaround delay; IOFF prevents contention when bus masters are powered down.

Use Scenario: Generating chip-select signals for memory-mapped peripherals using upper address bits and enable strobes.

IC Role / Device Role / Timing Role: Combines address lines and control flags to produce precise decode windows for SRAM, EEPROM, or I/O expanders.

Use Value: TTL-compatible inputs accept raw microcontroller address outputs; 20 mA sink capability drives enable inputs of multiple downstream devices.

Control Signal Gating

Legacy System Glue Logic

Use Scenario: Enabling clock or reset distribution only when system state permits (e.g., after power stabilization or watchdog timeout).

IC Role / Device Role / Timing Role: Acts as an active-high enable gate for critical timing signals in safety-monitored subsystems.

Use Value: Guaranteed 1.0 ns minimum delay ensures deterministic timing margins; –40 °C to +85 °C rating supports automotive under-hood modules.

Use Scenario: Interfacing modern microcontrollers with legacy 5 V TTL peripherals lacking native level-shifting capability.

IC Role / Device Role / Timing Role: Bridges voltage and drive-level mismatches between MCU GPIOs and older ASICs or discrete logic arrays.

Use Value: Direct TTL-level compatibility eliminates external resistors or translators; SO14 footprint simplifies PCB redesign of aging designs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad 2-input AND gate applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
74LVC08PW	Lower VCC range (1.65–3.6 V); no IOFF; CMOS-only process; 3.3 V logic only.	Not suitable for 5 V TTL systems or partial-power-down use cases.	Select only for new 3.3 V designs requiring lower static power and smaller TSSOP footprint.
SN74ABT08N	Same ABT family, identical logic and timing, but obsolete PDIP-14 package (SOT27-1); no current production support.	Unsuitable for surface-mount manufacturing or long-term supply assurance.	Use 74ABT08D for new designs; avoid SN74ABT08N due to obsolescence and RoHS/non-compliance risks.

Compared with 74LVC08PW and SN74ABT08N, the 74ABT08D uniquely combines 5 V TTL compatibility, IOFF protection, industrial temperature range, and active SO14 availability-making it the sole viable choice for robust, maintainable 5 V digital glue logic.

Availability

74ABT08D is available at Aetrix Electronics and suitable for industrial control panels, legacy system upgrades, and 5 V microcontroller peripheral interfaces requiring stable component supply across extended product lifecycles.

Supply support for 74ABT08D 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

Nexperia is a global semiconductor expert focused on high-volume, high-reliability logic, analog, and discrete components, with roots in Philips Semiconductors and a strong heritage in automotive-qualified and industrial-grade devices.

The 74ABT series targets high-speed, 5 V TTL-compatible digital interface applications where robustness, timing predictability, and partial-power-down capability are essential-especially in industrial automation and communications infrastructure.

FAQ

Is the 74ABT08D compatible with 3.3 V input signals?

Yes, the 74ABT08D accepts 3.3 V logic-high inputs reliably because its VIH threshold is specified at ≥2.0 V (min) over temperature and supply. However, outputs remain 5 V logic levels, so downstream 3.3 V devices require level translation or tolerance to 5 V inputs.

Does the IOFF feature work when only one supply rail is disconnected?

Yes-IOFF activates whenever VCC = 0 V, regardless of input or output voltage states up to 4.5 V. This prevents back-current flow even if inputs remain driven by live 5 V sources while the device is unpowered, satisfying IEC 61000-4-2 and system-level hot-swap requirements.

What is the maximum capacitive load the 74ABT08D can drive without exceeding timing specs?

The datasheet specifies dynamic characteristics with CL = 50 pF (Table 8). Driving >50 pF increases propagation delay nonlinearly; for loads up to 100 pF, measured tPLH/tPHL remains within 5.5 ns at VCC = 5.0 V, but layout-dependent ringing may require series termination.

Can the 74ABT08D replace the 74LS08 in existing designs?

Yes-pinout and logic function are identical, and 74ABT08D offers superior performance: 3× faster speed (2.4 ns vs. 15 ns), 10× higher output drive (20 mA vs. 2 mA), and IOFF protection absent in LS. No board changes are needed beyond verifying VCC stability and decoupling.

74ABT08D,112 Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Logic Type:: -

Number of Circuits:: -

Number of Inputs:: -

Features:: -

Voltage - Supply:: -

Current - Quiescent (Max):: -

Current - Output High, Low:: -

Input Logic Level - Low:: -

Input Logic Level - High:: -

Max Propagation Delay @ V, Max CL:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

74ABT08D,112 FAQ

1.How can I place an order for 74ABT08D,112 through Aetrix?

Please submit a Request for Quotation (RFQ) for 74ABT08D,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 74ABT08D,112 reliable?

The price and inventory of 74ABT08D,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ABT08D,112 is usually 5 days.

3.What payment methods are accepted for 74ABT08D,112?

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74ABT08D,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74ABT08D,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 74ABT08D,112?

For technical support, including 74ABT08D,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ABT08D,112 requirements.

6.How does Aetrix verify that 74ABT08D,112 is sourced from the original manufacturer or authorized distributors?

All 74ABT08D,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 74ABT08D,112 meets industry standards.

7.What is the process for return or replacement of 74ABT08D,112?

All 74ABT08D,112 units undergo pre-shipment inspection (PSI). If there is an issue with 74ABT08D,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 74ABT08D,112 part is unused and in its original packaging.

Return procedure for 74ABT08D,112:

1.Submit a request within 90 days.

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

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