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Diodes Incorporated PI74FCT162245ATA
- Part No.:
- PI74FCT162245ATA
- Manufacturer:
- Diodes Incorporated
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
PI74FCT162245ATA.pdf
- Description:
- IC TXRX NON-INVERT 5.5V 48TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,210
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Product details
Overview
PI74FCT162245ATA from Pericom Semiconductor is a 16-bit bidirectional transceiver IC designed for asynchronous two-way data bus communication between system-level subsystems. It features ±24mA balanced output drivers, 48-pin SSOP (V48) package, 5V ±10% supply operation, and integrated current-limiting resistors to control edge rate-reducing ground bounce (<0.6V typical) and eliminating need for external termination in most interfaces. Used in backplane interconnects and modular computing systems.
For engineers reviewing the PI74FCT162245ATA datasheet, PI74FCT162245ATA pinout, PI74FCT162245ATA application, or PI74FCT162245ATA equivalent, key selection criteria include bidirectional flow control via xDIR/xOE, high-noise-immunity hysteresis inputs, low-VOLP performance at 25°C, and compatibility with 5V TTL/CMOS logic families in industrial and telecom infrastructure designs.
Technical Context
This device implements dual 8-bit or unified 16-bit bidirectional data transfer using separate direction (xDIR) and output-enable (xOE) controls per port pair. Its CMOS-based FCT logic architecture delivers fast propagation delays (tPLH/tPHL ≤7.0 ns @ CL=50pF) while maintaining low dynamic power consumption (IC total ≤3.3 mA @ 10 MHz).
All inputs include hysteresis (100 mV), and outputs are designed with internal current-limiting resistors to shape edge rates-directly reducing simultaneous switching noise (SSN), ground bounce, and undershoot without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Supply | 5V ±10% - compatible with standard 5V TTL/CMOS logic rails and legacy industrial power domains |
| Output Drive | ±24mA - balanced sourcing/sinking enables robust signal integrity across mismatched bus loads |
| Ground Bounce | <0.6V typical at VCC=5V, TA=25°C - ensures stable logic thresholds during high-speed switching |
| Propagation Delay | ≤7.0 ns (tPLH/tPHL, CL=50pF) - supports >100 MHz data throughput in point-to-point or stubbed bus topologies |
| Input Hysteresis | 100 mV - improves noise margin against EMI and crosstalk in electrically noisy backplane environments |
| Operating Temp | –40°C to +85°C - qualified for extended-temperature industrial and telecom equipment deployment |
| Input Capacitance | 6 pF max - minimizes loading on driving sources and preserves signal rise/fall times |
Pinout & Package
PI74FCT162245ATA is housed in a 48-pin 300-mil-wide plastic SSOP (V48) package, optimized for surface-mount assembly and thermal dissipation in dense PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A0–1A7, 2A0–2A7 | Side A I/O ports | Bidirectional data terminals for first and second 8-bit segments of Port A |
| 1B0–1B7, 2B0–2B7 | Side B I/O ports | Bidirectional data terminals for corresponding 8-bit segments of Port B |
| 1DIR, 2DIR | Direction control input | Active-HIGH signal determining data flow direction (A→B or B→A) per port pair |
| 1OE, 2OE | Output enable input | Active-LOW control placing associated A/B ports into high-impedance state |
| VCC | Power supply | +5V supply rail with ±10% tolerance; decoupling required near pin |
| GND | Ground reference | Common return path for all I/O and internal logic; critical for noise suppression |
Key Features
| Feature | Design Value |
|---|---|
| Balanced ±24mA outputs | Enables matched drive strength for both logic HIGH and LOW transitions, minimizing duty-cycle distortion on shared buses |
| Integrated edge-rate control | On-die current-limiting resistors reduce dv/dt-induced ground bounce and EMI without external RC networks |
| Hysteresis on all inputs | 100 mV threshold separation rejects transient noise up to 100 mV peak amplitude on control and data lines |
| Low quiescent current | 0.1 µA typical ICC - supports low-power standby modes in modular systems with hot-swap capability |
Applications
| Backplane Data Interconnect | Modular Industrial Controller |
|---|---|
Use Scenario: High-speed bidirectional data routing between CPU and peripheral modules across a 16-bit parallel backplane. IC Role / Device Role / Timing Role: Bidirectional bus transceiver managing asynchronous data flow between isolated voltage domains with direction arbitration. Use Value: ±24mA drive and <0.6V ground bounce ensure reliable signal integrity across 15 cm+ trace lengths without termination resistors. | Use Scenario: Real-time I/O expansion between main controller and fieldbus interface cards in programmable logic controllers (PLCs). IC Role / Device Role / Timing Role: Level-shifting and bus-isolation transceiver enabling hot-plug-capable module insertion without system reset. Use Value: Hysteresis inputs and 40–85°C operating range maintain deterministic behavior in electrically noisy factory-floor environments. |
| Telecom Line Card Interface | Legacy System Bus Bridge |
Use Scenario: Interfacing FPGA-based packet processing engines with ASIC-based framer/mapper units on telecom line cards. IC Role / Device Role / Timing Role: Synchronous data conduit supporting burst-mode transfers between clock-domains with independent OE/DIR control. Use Value: 7.0 ns max propagation delay allows full 16-bit word transfer within a single 100 MHz clock cycle. | Use Scenario: Bridging ISA or VME bus peripherals to modern microcontroller subsystems in avionics maintenance test equipment. IC Role / Device Role / Timing Role: Protocol-transparent data shuttle translating between legacy parallel bus timing and contemporary MCU GPIO timing. Use Value: Dual 8-bit mode (via separate 1DIR/2DIR) permits independent control of address vs. data lanes in multiplexed bus architectures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit bidirectional transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74FCT162245CTE4 | Same electrical specs; Texas Instruments version in 48-pin TSSOP (A48) | TSSOP footprint differs-requires PCB redesign for pad layout and thermal relief | Select if TI supply chain alignment or alternate packaging is prioritized over Pericom's SSOP mechanical fit |
| SN74LVTH162245DGGR | 3.3V-only operation; LVTH logic family; higher speed (tPD ≤5.1 ns) but lower drive (±24mA only at VCC=3.3V) | Not 5V-tolerant; incompatible with legacy 5V bus systems without level translation | Choose only for new 3.3V designs where lower voltage operation and reduced power are mandatory |
Compared with 74FCT162245CTE4 and SN74LVTH162245DGGR, PI74FCT162245ATA uniquely combines 5V operation, SSOP packaging, and guaranteed <0.6V ground bounce-making it optimal for retrofitting or upgrading existing 5V industrial backplanes without board rework.
Availability
PI74FCT162245ATA is available at Aetrix Electronics and suitable for backplane interconnects, modular PLCs, telecom line card interfaces, and legacy bus bridging requiring stable component supply across extended product lifecycles.
Supply support for PI74FCT162245ATA 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
Pericom Semiconductor (now part of Diodes Incorporated) specialized in high-speed interface and timing solutions for communications, computing, and industrial markets before its 2016 acquisition.
The PI74FCT series targets robust 5V logic interfacing in electrically noisy environments, emphasizing noise immunity, bus integrity, and plug-and-play compatibility in modular hardware systems.
FAQ
Is PI74FCT162245ATA pin-compatible with PI74FCT16245ATA?
No. While both are 48-pin SSOP transceivers, PI74FCT16245ATA has asymmetric ±32mA/64mA outputs and lacks the current-limiting resistors that define PI74FCT162245ATA's balanced drive and low-ground-bounce behavior. Pin functions match, but electrical behavior and noise performance differ significantly.
Does PI74FCT162245ATA support live insertion?
No-live insertion capability is explicitly specified only for the PI74FCT16245T variant due to its Power-Off Disable feature. PI74FCT162245ATA does not include this function; its outputs do not enter high-Z when VCC = 0V, making hot-swap use unsafe without external isolation circuitry.
What is the maximum data rate supported by PI74FCT162245ATA?
Based on its 7.0 ns maximum propagation delay and 0.5 ns output skew, PI74FCT162245ATA reliably supports sustained data rates up to ~100 Mbps in point-to-point configurations. Actual throughput depends on bus loading, trace impedance, and system-level timing margins-not a fixed clock frequency specification.
Can PI74FCT162245ATA drive unterminated transmission lines?
Yes-its integrated current-limiting resistors control edge rates to minimize reflections, allowing direct connection to unterminated 50–75 Ω traces up to ~15 cm in length under typical industrial PCB stackups. Longer runs or stubbed topologies still require termination per signal-integrity analysis.
PI74FCT162245ATA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74FCT
- Package/Case:
- 48-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Bag
- Product Status:
- Obsolete
- 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:
- 24mA, 24mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSSOP
PI74FCT162245ATA FAQ
1.How can I place an order for PI74FCT162245ATA through Aetrix?
Please submit a Request for Quotation (RFQ) for PI74FCT162245ATA 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 PI74FCT162245ATA reliable?
The price and inventory of PI74FCT162245ATA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI74FCT162245ATA is usually 5 days.
3.What payment methods are accepted for PI74FCT162245ATA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI74FCT162245ATA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI74FCT162245ATA?
PI74FCT162245ATA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI74FCT162245ATA 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 PI74FCT162245ATA?
For technical support, including PI74FCT162245ATA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI74FCT162245ATA requirements.
6.How does Aetrix verify that PI74FCT162245ATA is sourced from the original manufacturer or authorized distributors?
All PI74FCT162245ATA 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 PI74FCT162245ATA meets industry standards.
7.What is the process for return or replacement of PI74FCT162245ATA?
All PI74FCT162245ATA units undergo pre-shipment inspection (PSI). If there is an issue with PI74FCT162245ATA, 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 PI74FCT162245ATA part is unused and in its original packaging.
Return procedure for PI74FCT162245ATA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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