My Inquiry
My Account
Texas Instruments SN74ABT16470DGGR
- Part No.:
- SN74ABT16470DGGR
- Manufacturer:
- Texas Instruments
- Package:
- 56-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
SN74ABT16470DGGR.pdf
- Description:
- IC TXRX NON-INVERT 5.5V 56TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,474
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SN74ABT16470DGGR from Texas Instruments is a 16-bit registered transceiver with 3-state outputs, designed for bidirectional data flow control in high-speed bus interfaces. It features dual 8-bit registers (A↔B), independent clock enable (CLKENAB/CLKENBA), clock (CLKAB/CLKBA), and output-enable (OEAB/OEBA) controls, ±32-mA high-drive outputs, and operation over –40°C to 85°C at 4.5–5.5 V.
For engineers reviewing the SN74ABT16470DGGR datasheet, SN74ABT16470DGGR pinout, SN74ABT16470DGGR application, or SN74ABT16470DGGR equivalent, this device supports precise timing-critical register-to-bus interfacing in industrial backplanes, memory expansion modules, and programmable logic interconnects where latch-controlled data staging and noise-immune 5-V TTL-compatible signaling are required.
Technical Context
The SN74ABT16470DGGR implements two independent 8-bit D-type flip-flop banks-one for A→B and one for B→A data paths-each with dedicated clock, clock enable, and output-enable inputs. Its EPIC-IIB BiCMOS architecture delivers low ground bounce (<1 V VOLP) and high noise immunity via distributed VCC/GND pins and flow-through pinout.
It operates strictly as a registered transceiver-not a latch or transparent buffer-with setup/hold times of 4 ns / 1 ns and propagation delays as low as 1.3 ns (tPHL). All I/Os are 5-V tolerant with ±100-µA input leakage and 50-pF typical I/O capacitance, supporting CL = 50 pF load conditions up to 150 MHz clock frequency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Function | 16-bit registered bidirectional transceiver with dual 8-bit register banks and 3-state outputs |
| Supply Voltage | 4.5 V to 5.5 V - ensures compatibility with standard 5-V TTL and LVTTL systems |
| Output Drive | –32 mA IOH / +64 mA IOL - drives heavy capacitive loads and long traces without external buffers |
| Max Clock Frequency | 150 MHz - supports high-throughput synchronous bus transfers in real-time control systems |
| Propagation Delay | 1.3–4.9 ns (tPHL/tPLH) - enables sub-7-ns cycle timing margins at 150 MHz operation |
| Operating Temperature | –40°C to +85°C - qualified for industrial-grade embedded applications including automation and test equipment |
| Input Leakage | ±100 µA at ports - minimizes static current draw and avoids unintended logic transitions on unterminated lines |
Pinout & Package
TSSOP-56 (DGG) package: 13.9 mm × 7.9 mm × 1.2 mm max height, 0.5-mm pitch, RoHS-compliant NiPdAu lead finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OEAB, 2OEAB, 1OEBA, 2OEBA | Output Enable (active-low) | Individually disables A→B or B→A outputs to high-impedance state; requires pull-up to VCC for power-up safety |
| 1CLKAB, 2CLKAB, 1CLKBA, 2CLKBA | Register clock (rising-edge) | Controls synchronous capture of data into respective 8-bit register bank; must avoid CLKEN transitions while CLK is high |
| 1CLKENAB, 2CLKENAB, 1CLKENBA, 2CLKENBA | Clock enable (active-high) | Gates clock signal to prevent false triggering; enables/disable register updates without toggling CLK |
| 1A1–1A8, 2A1–2A8 | Port A inputs/outputs | First and second 8-bit A-side I/O group; bidirectional under OE/CLK control |
| 1B1–1B8, 2B1–2B8 | Port B inputs/outputs | First and second 8-bit B-side I/O group; independent A↔B data path control |
| VCC, GND | Power and ground | Distributed across 8 VCC and 8 GND pins - reduces simultaneous switching noise and improves signal integrity |
Key Features
| Feature | Design Value |
|---|---|
| Flow-through pinout | Input and output pins aligned across opposite sides - simplifies PCB routing and minimizes trace crossovers in dense bus layouts |
| High-drive 3-state outputs | –32 mA / +64 mA drive strength - eliminates need for external line drivers in point-to-point or stubbed bus topologies |
| Distributed power/ground | 8× VCC and 8× GND pins interleaved - suppresses ground bounce (VOLP < 1 V) and maintains stable reference during fast switching |
| Independent register control | Separate CLK, CLKEN, and OE per 8-bit bank - enables asymmetric data staging (e.g., A→B active while B→A held) |
| EPIC-IIB BiCMOS process | Combines bipolar speed and CMOS low static power - achieves 150-MHz operation with ICC < 35 mA (all outputs low) |
Applications
| Industrial Backplane Interface | Memory Expansion Module |
|---|---|
|
Use Scenario: Interfacing FPGA-based controller to legacy parallel bus peripherals (e.g., ISA-style I/O cards) in programmable logic controllers. IC Role / Device Role / Timing Role: Registered transceiver providing synchronized, glitch-free data staging between asynchronous domains with precise clock-edge alignment. Use Value: Eliminates metastability risk via D-flip-flop registration and supports hot-swap-safe 3-state isolation during reconfiguration. |
Use Scenario: Adding external SRAM or Flash memory to microcontroller-based data loggers with limited address/data bus pins. IC Role / Device Role / Timing Role: Bidirectional bus extender that latches address/data during memory read/write cycles using separate A/B clocks. Use Value: Enables single-cycle memory access with tsu = 4 ns and th = 1 ns, meeting tight timing budgets of 8-bit MCUs running at 20+ MHz. |
| Programmable Logic Interconnect | Test Equipment Signal Routing |
|
Use Scenario: Routing configurable I/O signals between CPLD banks in modular instrumentation platforms requiring deterministic latency. IC Role / Device Role / Timing Role: Registered data bridge with independent clock enables - allows time-multiplexed use of shared bus resources across multiple logic blocks. Use Value: Provides predictable 1.3–4.9 ns propagation delay and eliminates race conditions via edge-triggered staging. |
Use Scenario: Switching high-speed digital stimulus/response signals between DUT and ATE channels in automated test systems. IC Role / Device Role / Timing Role: Controlled-direction transceiver enabling repeatable, low-jitter signal path selection with 3-state isolation between tests. Use Value: Delivers ±32-mA drive into 50-Ω loads and maintains signal fidelity up to 150 MHz due to low Cio (8.5 pF) and minimized ground bounce. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar registered transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74ABT162245DGGR | Non-registered 16-bit transceiver; no internal flip-flops; only 3-state control | Suitable for transparent bus buffering but cannot provide clocked data staging or hold timing | Select when deterministic registration is unnecessary and lower propagation delay (<1 ns) is prioritized over timing control |
| SN74LVTH162245DLR | 3.3-V LVTH logic; lower drive (–24/+24 mA); 16-bit non-registered; different pinout | Designed for mixed-voltage 3.3-V/5-V interfaces; not drop-in compatible due to voltage and drive mismatch | Choose only when migrating to 3.3-V systems and redesigning layout; not a functional substitute for SN74ABT16470DGGR's 5-V registered operation |
Compared with SN74ABT162245DGGR and SN74LVTH162245DLR, the SN74ABT16470DGGR uniquely provides edge-triggered registration per 8-bit channel, enabling synchronous multi-cycle data handshaking - a capability absent in both alternatives and essential for bus arbitration, pipeline staging, and domain crossing in industrial control systems.
Availability
SN74ABT16470DGGR is available at Aetrix Electronics and suitable for industrial backplane interfaces, memory expansion modules, and programmable logic interconnects requiring stable component supply, long-term lifecycle support, and guaranteed 5-V TTL-compatible performance.
Supply support for SN74ABT16470DGGR 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 delivering analog, embedded processing, and logic solutions with emphasis on reliability, signal integrity, and industrial-grade qualification.
The SN74ABT16470DGGR belongs to TI's Widebus™ family of high-speed bus interface ICs, engineered specifically for robust, noise-immune data transfer in demanding industrial and instrumentation applications operating at 5 V.
FAQ
What is the maximum clock frequency supported by the SN74ABT16470DGGR?
The SN74ABT16470DGGR supports a maximum clock frequency of 150 MHz across its full operating temperature range (–40°C to +85°C) and supply voltage (4.5 V to 5.5 V). This rating is verified under CL = 50 pF load conditions and reflects guaranteed timing performance for both A→B and B→A register paths in the SN74ABT16470DGGR.
Does the SN74ABT16470DGGR require external pull-up resistors on its output-enable pins?
Yes - to ensure high-impedance state during power-up or power-down, OEAB and OEBA pins of the SN74ABT16470DGGR must be tied to VCC through a pull-up resistor. The minimum resistance value depends on the current-sinking capability of the driving source, and TI recommends verifying against the specific system's reset sequencing requirements for reliable initialization of the SN74ABT16470DGGR.
Can the SN74ABT16470DGGR be used as two independent 8-bit transceivers?
Yes - the SN74ABT16470DGGR contains two fully independent 8-bit registered transceiver sections (1A/1B and 2A/2B), each with dedicated CLKAB/CLKBA, CLKENAB/CLKENBA, and OEAB/OEBA controls. This allows concurrent or asymmetric operation - for example, enabling A→B flow on one bank while holding B→A flow on the other - a core architectural feature of the SN74ABT16470DGGR.
What is the thermal performance of the SN74ABT16470DGGR in its TSSOP-56 package?
The SN74ABT16470DGGR in the DGG (TSSOP-56) package has a junction-to-ambient thermal impedance (θJA) of 81°C/W under standard JEDEC test conditions. This value assumes a 2-layer board with 1-in² copper pour; actual thermal performance depends on PCB layout, airflow, and adjacent power dissipation - design validation is recommended for sustained >25 mA average output current in the SN74ABT16470DGGR.
Is the SN74ABT16470DGGR pin-compatible with other devices in the ABT16xx family?
No - the SN74ABT16470DGGR uses a unique 56-pin TSSOP (DGG) footprint optimized for flow-through routing and distributed power, differing from pinouts of functionally related parts like SN74ABT162245DGGR (also 56-pin but non-registered) or SN74ABT16373DGGR (latch-based). Board-level replacement requires layout revision; the SN74ABT16470DGGR is not a drop-in substitute for other ABT16xx variants.
SN74ABT16470DGGR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74ABT
- Package/Case:
- 56-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Transceiver, Non-Inverting
- Number of Elements:
- 2
- Number of Bits per Element:
- 8
- 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:
- 56-TSSOP
SN74ABT16470DGGR FAQ
1.How can I place an order for SN74ABT16470DGGR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74ABT16470DGGR 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 SN74ABT16470DGGR reliable?
The price and inventory of SN74ABT16470DGGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74ABT16470DGGR is usually 5 days.
3.What payment methods are accepted for SN74ABT16470DGGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74ABT16470DGGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74ABT16470DGGR?
SN74ABT16470DGGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74ABT16470DGGR 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 SN74ABT16470DGGR?
For technical support, including SN74ABT16470DGGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74ABT16470DGGR requirements.
6.How does Aetrix verify that SN74ABT16470DGGR is sourced from the original manufacturer or authorized distributors?
All SN74ABT16470DGGR 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 SN74ABT16470DGGR meets industry standards.
7.What is the process for return or replacement of SN74ABT16470DGGR?
All SN74ABT16470DGGR units undergo pre-shipment inspection (PSI). If there is an issue with SN74ABT16470DGGR, 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 SN74ABT16470DGGR part is unused and in its original packaging.
Return procedure for SN74ABT16470DGGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SN74ABT16470DGGR 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…
