My Inquiry
My Account
Nexperia USA Inc. 74ABT125PW,118
- Part No.:
- 74ABT125PW,118
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
74ABT125PW,118.pdf
- Description:
- IC BUFF NON-INVERT 5.5V 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,379
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
74ABT125PW,118 from Nexperia is a quad 3-state buffer/line driver with independent active-low output enable inputs (1OE–4OE), designed for bus interface and signal isolation in TTL-compatible digital systems. It operates from 4.5 V to 5.5 V, delivers ±32 mA/±64 mA output drive, supports partial power-down via IOFF circuitry, and is rated for -40 °C to +85 °C ambient operation - used in industrial control backplanes and legacy data acquisition subsystems.
For engineers reviewing the 74ABT125PW,118 datasheet, 74ABT125PW,118 pinout, 74ABT125PW,118 application, or 74ABT125PW,118 equivalent, this device serves as a high-drive, low-propagation-delay bus buffer where TTL-level compatibility, live insertion capability, and power-down leakage control are critical selection criteria.
Technical Context
The 74ABT125PW,118 implements four independent non-inverting buffers, each with dedicated active-low 3-state enable logic. Its BiCMOS architecture enables fast switching (tPLH/tPHL ≤ 4.6 ns at VCC = 5.0 V) while maintaining robust DC drive strength and input/output voltage tolerance aligned with TTL logic families.
IOFF circuitry actively disables outputs during power-down (VCC = 0 V), limiting backflow current to ±100 μA and enabling safe hot-swap operation. Input clamping, latch-up immunity (>500 mA), and ESD protection (HBM >2000 V, CDM >1000 V) ensure reliability in noisy industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V - ensures stable operation across standard 5 V rail tolerances and brown-out conditions. |
| Output Drive | High: -32 mA; Low: +64 mA - drives heavy capacitive loads and multiple TTL inputs without external buffering. |
| Propagation Delay | tPLH/tPHL ≤ 4.6 ns @ VCC = 5.0 V - enables timing-critical bus interfacing up to ~200 MHz clock domains. |
| IOFF Leakage | ±100 μA @ VCC = 0 V - prevents damaging back-current during partial system power-down or hot-swap events. |
| Operating Temperature | -40 °C to +85 °C - qualified for industrial-grade embedded control and instrumentation applications. |
| ESD Protection | HBM >2000 V, CDM >1000 V - withstands handling and board-level electrostatic discharge per JEDEC JS-001/JS-002. |
| Input Compatibility | Direct TTL-level interface - VIH ≥ 2.0 V, VIL ≤ 0.8 V - eliminates level-shifting in mixed-logic systems. |
Pinout & Package
TSSOP14 plastic thin shrink small outline package (SOT402-1); 14-pin, 4.4 mm body width, 0.65 mm pitch; thermally enhanced for industrial PCB layouts with limited airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 10, 13 | 1OE, 2OE, 3OE, 4OE | Active-low output enable inputs - each independently controls one buffer's 3-state output. |
| 2, 5, 9, 12 | 1A, 2A, 3A, 4A | Buffer input terminals - accept TTL-compatible logic signals with no external pull-ups required. |
| 3, 6, 8, 11 | 1Y, 2Y, 3Y, 4Y | Non-inverting buffered outputs - drive bus lines or downstream logic with full 3-state control. |
| 7 | GND | Ground reference - common return path for all I/O and supply currents; must be low-impedance. |
| 14 | VCC | Positive supply terminal - powers internal BiCMOS circuitry; requires local 100 nF decoupling. |
Key Features
| Feature | Design Value |
|---|---|
| BiCMOS process technology | Combines bipolar speed and CMOS low static power - achieves sub-5 ns propagation with <1.5 mA ICC per enabled buffer. |
| Power-up 3-state | Outputs remain in high-impedance state until VCC stabilizes - prevents bus contention during power sequencing. |
| Live insertion/extraction support | IOFF and robust ESD allow safe hot-plug into powered backplanes without system reset or damage. |
| Latch-up immunity | Exceeds JESD78B Class II Level A (500 mA) - eliminates risk of destructive latch-up under transient overvoltage. |
| Multiple package options | TSSOP14 (74ABT125PW), SO14 (74ABT125D), DHVQFN14 (74ABT125BQ) - enables layout flexibility across density and thermal requirements. |
Applications
| Industrial Backplane Interface | Legacy Data Acquisition System |
|---|---|
|
Use Scenario: Isolating microcontroller GPIOs from shared 8-bit parallel data bus in programmable logic controller (PLC) I/O modules. IC Role / Device Role / Timing Role: Quad buffer provides direction-controlled, 3-state bus driving with independent enable per channel to prevent contention during read/write cycles. Use Value: ±64 mA sink capability drives long traces and multiple TTL inputs; tPZL ≤ 5.5 ns ensures clean bus release before next access. |
Use Scenario: Interfacing 12-bit ADC output to FPGA-based sampling controller in environmental monitoring hardware. IC Role / Device Role / Timing Role: Acts as level-translating and bus-isolating buffer between ADC's CMOS-like outputs and FPGA's 5 V-tolerant I/O banks. Use Value: Direct TTL compatibility eliminates external level shifters; IOFF prevents backfeed when FPGA is held in reset. |
| Test Equipment Signal Routing | Embedded Instrumentation Control Panel |
|
Use Scenario: Multiplexing status LED drivers and relay control signals from a central MCU in automated test equipment (ATE). IC Role / Device Role / Timing Role: Provides isolated, high-current drive for discrete loads while enabling dynamic reconfiguration via OE pins. Use Value: -32 mA source / +64 mA sink supports direct LED/resistor and relay coil drive; live insertion allows field-replaceable module design. |
Use Scenario: Buffering front-panel switch inputs and display segment drivers in medical diagnostic device UI boards. IC Role / Device Role / Timing Role: Decouples noisy mechanical switch bounce from sensitive analog sections and provides fanout to multiple display segments. Use Value: Input hysteresis and noise margin (VIH/VIL spec) suppress false triggers; 85 °C rating ensures reliability inside sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74LVT125PW,118 | Lower VCC range (2.7–3.6 V), lower drive (±24 mA), faster tPLH (≤3.2 ns) | Designed for 3.3 V systems only; not 5 V tolerant; unsuitable for mixed-voltage backplanes | Select when migrating to 3.3 V logic and requiring lower power; verify VIH/VIL compatibility with upstream sources. |
| SN74ABT125DBR | Same electrical specs but SOIC-14 (D) package; higher thermal resistance (10.1 mW/K derating above 100 °C) | Better for through-hole prototyping or legacy PCBs; less suitable for high-density SMT layouts | Choose for manual assembly, rework simplicity, or compatibility with existing SO14 footprints. |
Compared with 74ABT125PW,118, the 74LVT125PW,118 trades 5 V operation and higher drive for lower voltage compliance and speed, while SN74ABT125DBR retains identical functionality in a larger, thermally less efficient package - making the TSSOP variant optimal for space-constrained, industrial 5 V designs requiring hot-swap resilience.
Availability
74ABT125PW,118 is available at Aetrix Electronics and suitable for industrial backplane interfaces, legacy data acquisition systems, test equipment signal routing, and embedded instrumentation control panels requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74ABT125PW,118 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 essential efficiency technologies, delivering high-performance logic, analog, and MOSFET solutions for automotive, industrial, and consumer markets.
The 74ABT125 belongs to Nexperia's ABT (Advanced BiCMOS Technology) logic family, engineered specifically for high-speed, high-drive 5 V TTL-compatible bus interfacing in industrial and communications infrastructure applications.
FAQ
Is the 74ABT125PW,118 compatible with 3.3 V logic inputs?
No - its input thresholds are specified for TTL levels (VIH ≥ 2.0 V, VIL ≤ 0.8 V) at VCC = 4.5–5.5 V. While 3.3 V logic HIGH may register correctly, it falls near the minimum VIH margin and lacks guaranteed noise immunity. For reliable 3.3 V interfacing, use 74LVT125 or level-shifting circuitry.
Does the IOFF feature require external biasing or configuration?
No - IOFF is fully internal and automatic. When VCC = 0 V, the output transistors are disabled regardless of OE or input states, limiting leakage to ±100 μA. No external components, pull-ups, or configuration registers are needed to activate this function.
Can all four buffers be enabled simultaneously without thermal concern?
Yes - at 25 °C ambient and VCC = 5.0 V, total ICC remains ≤ 1.5 mA (enabled) and Ptot ≤ 500 mW (TSSOP14). Derating begins above 81 °C at 7.3 mW/K; sustained full-load operation is safe up to +85 °C with standard PCB copper pour.
What is the maximum capacitive load the 74ABT125PW,118 can drive reliably?
Per Nexperia's test conditions (Table 8), it is characterized with 50 pF load and 500 Ω termination. While not explicitly rated beyond that, the ±64 mA drive strength supports >100 pF with acceptable rise/fall times (<10 ns) in typical PCB trace configurations - verify with actual layout simulation if exceeding 75 pF.
74ABT125PW,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74ABT
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 4
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 32mA, 64mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
74ABT125PW,118 FAQ
1.How can I place an order for 74ABT125PW,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ABT125PW,118 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 74ABT125PW,118 reliable?
The price and inventory of 74ABT125PW,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ABT125PW,118 is usually 5 days.
3.What payment methods are accepted for 74ABT125PW,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ABT125PW,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ABT125PW,118?
74ABT125PW,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ABT125PW,118 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 74ABT125PW,118?
For technical support, including 74ABT125PW,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ABT125PW,118 requirements.
6.How does Aetrix verify that 74ABT125PW,118 is sourced from the original manufacturer or authorized distributors?
All 74ABT125PW,118 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 74ABT125PW,118 meets industry standards.
7.What is the process for return or replacement of 74ABT125PW,118?
All 74ABT125PW,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74ABT125PW,118, 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 74ABT125PW,118 part is unused and in its original packaging.
Return procedure for 74ABT125PW,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74ABT125PW,118 Tags
-
SN74LVC1G17DBVR
Texas Instruments
-
SN74LVC1G07DCKR
Texas Instruments
-
SN74LVC1G17DCKR
Texas Instruments
-
SN74LVC1G07DBVR
Texas Instruments
-
SN74LVC1G125DCKR
Texas Instruments
-
SN74AHCT1G126DBVR
Texas Instruments
-
SN74LVC1G125DBVR
Texas Instruments
-
SN74AHCT1G125DBVR
Texas Instruments
-
SN74LVC2G17DBVR
Texas Instruments
-
SN74LVC2G07DCKR
Texas Instruments
-
SN74LVC1G34DCKR
Texas Instruments
-
SN74LVC2G17DCKR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
