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Nexperia USA Inc. 74ABT16244ADGG,518
- Part No.:
- 74ABT16244ADGG,518
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
74ABT16244ADGG,518.pdf
- Description:
- IC BUFF NON-INVERT 5.5V 48TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,704
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Product details
Overview
74ABT16244ADGG,518 from Nexperia is a 16-bit BiCMOS non-inverting 3-state buffer/line driver in TSSOP48 package, operating from 4.5 V to 5.5 V supply, delivering ±64 mA output drive, with IOFF partial power-down protection and -40 °C to +85 °C industrial temperature range. It serves as bus interface logic in memory address/data buffering, microcontroller I/O expansion, and backplane driving applications.
For engineers reviewing the 74ABT16244ADGG,518 datasheet, 74ABT16244ADGG,518 pinout, 74ABT16244ADGG,518 application, or 74ABT16244ADGG,518 equivalent, this page delivers verified pin mapping, real-world timing specs (tPLH/tPHL ≤ 2.8 ns), IOFF leakage data (±100 μA at VCC = 0 V), and direct TTL-level compatibility without level-shifting.
Technical Context
The device implements four independent 4-bit buffered channels, each controlled by a dedicated LOW-active output enable (1OE–4OE). Each channel supports bidirectional signal flow only when enabled, with outputs entering high-impedance state upon OE assertion.
Its BiCMOS architecture enables TTL-compatible input thresholds (VIL ≤ 0.8 V, VIH ≥ 2.0 V) and rail-to-rail output swing under load, while IOFF circuitry actively disables outputs during VCC ramp-down to prevent backflow current - critical for hot-swap and mixed-voltage system designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V - ensures robust operation across noisy 5 V rails and tolerates brown-out conditions down to 4.5 V. |
| Output Drive | +64 mA sink / -32 mA source - drives heavy capacitive loads (e.g., >50 pF buses) and multiple TTL inputs without external buffers. |
| Propagation Delay | tPLH/tPHL ≤ 2.8 ns @ VCC = 5.0 V - supports >350 MHz bus toggle rates in high-speed digital systems. |
| IOFF Leakage | ±100 μA @ VCC = 0 V - prevents destructive back-current during partial power-down of subsystems. |
| ESD Rating | HBM >2000 V, CDM >1000 V - withstands handling and board-level ESD events without latch-up or parametric shift. |
| Operating Temp | -40 °C to +85 °C - qualified for industrial control, telecom infrastructure, and factory automation environments. |
| Input Thresholds | VIL ≤ 0.8 V, VIH ≥ 2.0 V - guarantees reliable recognition of standard TTL logic levels across voltage and temperature. |
Pinout & Package
TSSOP48 (SOT362-1) package: plastic thin shrink small outline, 48 leads, 6.1 mm body width, 0.5 mm lead pitch, surface-mount compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OE, 2OE, 3OE, 4OE (Pins 1, 48, 25, 24) | Channel Output Enable (LOW active) | Independent control per 4-bit group; asserts high-impedance on associated Y outputs when HIGH. |
| 1A0–1A3, 2A0–2A3, 3A0–3A3, 4A0–4A3 (Pins 43–47, 37–41, 32–36, 26–30) | Data Inputs | Non-inverting input signals for each 4-bit channel; TTL-compatible voltage thresholds. |
| 1Y0–1Y3, 2Y0–2Y3, 3Y0–3Y3, 4Y0–4Y3 (Pins 2–6, 8–12, 13–17, 19–23) | Data Outputs | 3-state buffered outputs; drive strength configurable per channel via OE; support bus contention avoidance. |
| VCC (Pins 7, 18, 31, 42) | Power Supply | Four distributed supply pins minimize switching noise and IR drop across wide bus traces. |
| GND (Pins 4, 10, 15, 21, 28, 34, 39, 45) | Ground Reference | Eight ground pins reduce ground bounce and improve signal integrity in high-speed 16-bit paths. |
Key Features
| Feature | Design Value |
|---|---|
| Partial Power-Down (IOFF) | Active output disable at VCC = 0 V prevents backflow current during hot-swap or subsystem shutdown. |
| Multiple VCC/GND Pins | Four VCC and eight GND pins suppress simultaneous switching noise (SSN) in dense PCB layouts. |
| Live Insertion Support | IOFF + robust ESD protection enables safe insertion/removal in powered-backplane systems. |
| Latch-Up Immunity | Exceeds JESD78B Class II Level A (>500 mA) - immune to destructive latch-up under transient overvoltage. |
| BiCMOS Speed/Drive | Combines bipolar speed (sub-3 ns propagation) with CMOS low static power and high noise margin. |
Applications
| Memory Address Buffering | Microcontroller I/O Expansion |
|---|---|
|
Use Scenario: Buffering 16-bit address lines between CPU and SRAM/Flash in embedded controllers. IC Role / Device Role / Timing Role: Non-inverting 3-state buffer isolating address bus during DMA cycles or peripheral access. Use Value: Enables clean bus sharing with tPLH/tPHL ≤ 2.8 ns and IOFF protection during CPU reset sequences. |
Use Scenario: Expanding GPIO count on ARM Cortex-M or RISC-V SoCs with limited native I/O. IC Role / Device Role / Timing Role: Bidirectional bus interface translating between MCU core logic and external peripherals. Use Value: Delivers ±64 mA drive to directly control LEDs, relays, or optocouplers without external drivers. |
| Backplane Signal Distribution | Industrial Bus Interface |
|
Use Scenario: Driving parallel control signals across 10+ cm PCB backplanes in PLC I/O modules. IC Role / Device Role / Timing Role: High-drive line driver maintaining signal integrity across long traces with capacitive loading. Use Value: Four independent OE controls allow staggered enable timing to reduce peak current draw and EMI. |
Use Scenario: Interfacing 5 V industrial sensors (e.g., encoders, limit switches) to 3.3 V microcontrollers. IC Role / Device Role / Timing Role: Level-tolerant buffer providing TTL-compatible input thresholds and 5 V output swing. Use Value: Eliminates need for discrete level-shifters while supporting -40 °C to +85 °C ambient operation. |
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 |
|---|---|---|---|
| SN74ABT16244DGGR (TI) | Identical logic function, same TSSOP48 package, but rated for 4.5 V to 5.5 V with slightly higher IOL (64 mA vs 64 mA typical) and identical IOFF spec. | No functional difference; pinout and timing match exactly - suitable for drop-in replacement where TI sourcing is preferred. | Select if dual-sourcing strategy requires TI's qualification documentation or long-term availability commitment. |
| 74LVT16244ADGG,118 (Nexperia) | Lower VCC range (2.7 V to 3.6 V), reduced drive (±32 mA), faster propagation (≤1.8 ns), no IOFF - incompatible with 5 V systems. | Not interchangeable: designed for 3.3 V LVTTL systems only; lacks partial power-down capability required for hot-swap. | Avoid in 5 V applications; consider only for new 3.3 V designs prioritizing speed over drive strength and IOFF. |
Compared with SN74ABT16244DGGR, the 74ABT16244ADGG,518 offers identical electrical behavior and mechanical fit, while the 74LVT16244ADGG,118 trades 5 V compatibility and IOFF for lower voltage operation and marginal speed gain - making it unsuitable for direct substitution.
Availability
74ABT16244ADGG,518 is available at Aetrix Electronics and suitable for memory subsystem buffering, microcontroller I/O expansion, and industrial backplane signal distribution requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74ABT16244ADGG,518 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 MOSFET solutions, serving automotive, industrial, and consumer markets with ISO/TS 16949-certified manufacturing.
The 74ABT series targets high-speed, high-drive 5 V TTL-compatible logic applications - specifically engineered for noise-immune bus interfacing in industrial control, telecom, and computing infrastructure.
FAQ
Does 74ABT16244ADGG,518 support hot-swap insertion?
Yes. Its IOFF circuitry actively disables outputs when VCC = 0 V, limiting backflow current to ±100 μA, and combined with HBM >2000 V ESD rating, it meets live-insertion requirements for powered backplanes and modular systems.
What is the maximum capacitive load this device can drive reliably?
Per dynamic test data (Table 8), it drives 50 pF loads with tPLH/tPHL ≤ 2.8 ns at 5.0 V. With its +64 mA sink capability, it supports >100 pF loads at reduced edge rates - verified in Nexperia's application note AN10712 for TSSOP48 bus drivers.
Can all four OE pins be tied together for unified 16-bit control?
Yes. Pins 1, 48, 25, and 24 may be paralleled to a single control signal. The datasheet confirms identical electrical characteristics across all OE inputs, and no timing skew is introduced since enable/disable delays (tPZH/tPLZ) are matched within 0.5 ns.
Is this device qualified for automotive applications?
No. The 74ABT16244ADGG,518 is specified for industrial temperature range (-40 °C to +85 °C) and carries no AEC-Q100 qualification. Nexperia's automotive-grade equivalent is the 74ABT16244ADGGJ, which includes extended temp testing and PPAP documentation.
74ABT16244ADGG,518 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74ABT
- Package/Case:
- 48-TFSOP (0.240", 6.10mm Width)
- 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:
- 32mA, 64mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSSOP
74ABT16244ADGG,518 FAQ
1.How can I place an order for 74ABT16244ADGG,518 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ABT16244ADGG,518 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 74ABT16244ADGG,518 reliable?
The price and inventory of 74ABT16244ADGG,518 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ABT16244ADGG,518 is usually 5 days.
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Once your 74ABT16244ADGG,518 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 74ABT16244ADGG,518?
For technical support, including 74ABT16244ADGG,518 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ABT16244ADGG,518 requirements.
6.How does Aetrix verify that 74ABT16244ADGG,518 is sourced from the original manufacturer or authorized distributors?
All 74ABT16244ADGG,518 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 74ABT16244ADGG,518 meets industry standards.
7.What is the process for return or replacement of 74ABT16244ADGG,518?
All 74ABT16244ADGG,518 units undergo pre-shipment inspection (PSI). If there is an issue with 74ABT16244ADGG,518, 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 74ABT16244ADGG,518 part is unused and in its original packaging.
Return procedure for 74ABT16244ADGG,518:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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