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Diodes Incorporated PI74FCT162244TAE
- Part No.:
- PI74FCT162244TAE
- Manufacturer:
- Diodes Incorporated
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
PI74FCT162244TAE.pdf
- Description:
- IC BUF NON-INVERT 5.5V 48TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,506
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Product details
Overview
PI74FCT162244TAE from Pericom Semiconductor is a 16-bit non-inverting buffer/line driver with ±24mA balanced output drivers, designed for high-capacitance backplane and bus interface applications. It features three-state control supporting Quad-Nibble, Dual-Byte, or full 16-bit operation, integrated current-limiting resistors to suppress ground bounce (<0.6V typical), and operates across –40°C to +85°C at 5.0V ±10%.
For engineers reviewing the PI74FCT162244TAE datasheet, PI74FCT162244TAE pinout, PI74FCT162244TAE application, or PI74FCT162244TAE equivalent, key selection criteria include output drive symmetry, low switching noise performance, 48-pin TSSOP package compatibility, and live-insertion suitability in modular backplane systems.
Technical Context
This device implements a flow-through pin architecture optimized for PCB layout efficiency in dense backplane interfaces. Its four independent 4-bit sections each feature dedicated active-low 3-state enable inputs (1OE–4OE) and hysteresis on all inputs to improve noise immunity in noisy industrial environments.
The output stage integrates on-die current-limiting resistors to control edge rates-reducing simultaneous switching noise, eliminating external termination in most cases, and achieving <0.6V typical ground bounce at 5V/25°C. It does not include power-off disable (unlike PI74FCT16244T), confirming its role as a noise-optimized, balanced-drive variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 5.0V ±10% - Supports standard TTL/CMOS system rails without regulation overhead |
| Output Drive | ±24mA - Balanced sourcing/sinking enables matched signal integrity on bidirectional buses |
| Ground Bounce | <0.6V typical at VCC=5V - Enables stable multi-bit switching on shared ground planes |
| Propagation Delay | 1.5–6.5ns (CL=50pF) - Meets timing requirements for 100+ MHz bus clocking |
| Input Hysteresis | 100mV - Rejects up to 100mV of input noise without false triggering |
| Operating Temp | –40°C to +85°C - Qualified for industrial and telecom infrastructure deployment |
| Input Capacitance | 4.5–7.5pF - Minimizes loading on upstream drivers in fan-out-critical designs |
Pinout & Package
Package: 48-pin, 240-mil wide plastic TSSOP (Pb-free & Green, code A).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OE–4OE | Active-low 3-state enable per 4-bit section | Enables granular bus partitioning-only one nibble/byte enabled at a time reduces dynamic current spikes |
| 1A0–4A3 | Non-inverting input (16 total) | Flow-through layout aligns inputs and outputs on opposite sides for straight trace routing |
| 1Y0–4Y3 | 3-state buffered output (16 total) | ±24mA drive with controlled slew eliminates need for series termination in point-to-point backplanes |
| VCC (Pins 7, 20, 33, 46) | Power supply | Four distributed VCC pins reduce IR drop and improve PSRR across the 16-bit width |
| GND (Pins 1, 14, 27, 40) | Ground reference | Four symmetric GND pins minimize ground loop inductance and stabilize output switching |
Key Features
| Feature | Design Value |
|---|---|
| Balanced ±24mA outputs | Ensures matched rise/fall times and reduced EMI in differential-sense bus environments |
| Integrated edge-rate control | On-die current-limiting resistors eliminate external RC networks and save board space |
| Four independent 4-bit sections | Supports flexible data-width configurations (nibble/byte/word) without external logic |
| Hysteresis on all inputs | 100mV noise margin prevents metastability in electrically noisy rack-mounted systems |
| Low ground bounce (<0.6V) | Maintains signal integrity during full 16-bit parallel switching on shared ground planes |
Applications
| Telecom Backplane Interface | Industrial I/O Module |
|---|---|
|
Use Scenario: Driving 16-bit parallel control bus between line card and shelf controller in modular telecom chassis. IC Role / Device Role / Timing Role: Non-inverting buffer with per-nibble enable isolates fault domains and controls propagation delay skew. Use Value: ±24mA drive sustains signal integrity over 15cm FR4 traces; low ground bounce prevents corruption of adjacent analog monitoring lines. |
Use Scenario: Interfacing FPGA GPIO banks to isolated digital I/O terminals in programmable logic controllers. IC Role / Device Role / Timing Role: Level-shifting and fan-out buffer between 3.3V FPGA and 5V industrial sensors/actuators. Use Value: Input hysteresis rejects ESD-induced transients on factory floor wiring; flow-through pinout simplifies routing in constrained DIN-rail enclosures. |
| Test Equipment Bus Driver | Medical Imaging Data Link |
|
Use Scenario: Buffering parallel address/data bus between test controller and DUT interface board in automated test systems. IC Role / Device Role / Timing Role: High-speed, low-noise line driver enabling deterministic 100MHz bus timing with minimal jitter accumulation. Use Value: 1.5–6.5ns propagation delay window supports tight setup/hold margins; four-section enables staggered enable for current smoothing. |
Use Scenario: Transmitting real-time pixel data from image sensor array to processing module in portable ultrasound units. IC Role / Device Role / Timing Role: Noise-immune parallel data repeater ensuring bit-accurate transfer across flex-cable interconnects. Use Value: Controlled edge rate suppresses crosstalk in high-density flex assemblies; 48-pin TSSOP fits compact handheld form factor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit non-inverting buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74FCT162244CPAG | Same ±24mA drive, but 56-pin SSOP package; higher ICCD (100μA/MHz vs. 60μA/MHz) | Larger footprint; less suitable for space-constrained backplanes | Select when legacy board layout requires 56-pin spacing or higher thermal mass is needed |
| 74LVC162244APAG | 3.3V-only supply (1.65–3.6V); lower drive (±24mA @ 3.3V, not 5V); no built-in hysteresis | Not pin-compatible; requires level translation for 5V systems | Select only for new 3.3V-only designs where lower power and smaller package outweigh noise immunity loss |
Compared with SN74FCT162244CPAG and 74LVC162244APAG, PI74FCT162244TAE uniquely delivers 5V operation with hysteresis, TSSOP-48 compactness, and guaranteed <0.6V ground bounce-making it optimal for industrial backplanes where noise, voltage, and size intersect.
Availability
PI74FCT162244TAE is available at Aetrix Electronics and suitable for telecom backplane interfaces, industrial I/O modules, automated test equipment, and medical imaging data links requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for PI74FCT162244TAE 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 ICs for timing, signal integrity, and connectivity applications before its 2017 acquisition.
PI74FCT162244TAE belongs to the FCT logic family-designed specifically for noise-resilient, high-drive 5V bus interfacing in telecom, industrial, and instrumentation systems where ground bounce and EMI must be minimized.
FAQ
Is PI74FCT162244TAE pin-compatible with PI74FCT16244T?
No. While both are 48-pin TSSOP 16-bit buffers, PI74FCT162244TAE uses balanced ±24mA outputs with integrated current-limiting, whereas PI74FCT16244T provides asymmetric –32mA/+64mA drive and power-off disable. Pin functions differ: PI74FCT16244T has dedicated power-down control not present in PI74FCT162244TAE, making direct substitution unsafe without circuit review.
Does PI74FCT162244TAE support live insertion?
No. Live insertion capability requires power-off disable functionality, which is implemented in PI74FCT16244T but omitted in PI74FCT162244TAE. The latter lacks internal circuitry to tri-state outputs when VCC = 0V; applying signals to inputs or outputs during hot-plug events may cause latch-up or excessive current draw.
What is the maximum capacitive load this device can drive reliably?
PI74FCT162244TAE is characterized for CL = 50pF in switching specs, but its ±24mA drive and controlled edge rate support stable operation into ≥100pF loads in typical FR4 layouts. For >100pF, verify ground bounce remains below 0.6V using actual board stackup and trace geometry-no external termination is required up to ~75pF per output under standard conditions.
Can PI74FCT162244TAE operate at 3.3V?
No. Absolute maximum ratings specify VCC = –0.5V to +7.0V, but DC electrical characteristics-including VOH/VOL, drive strength, and hysteresis-are only guaranteed at 5.0V ±10%. At 3.3V, output drive drops significantly, input thresholds shift unpredictably, and hysteresis collapses, risking logic errors and increased static current. It is strictly a 5V device.
PI74FCT162244TAE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74FCT
- Package/Case:
- 48-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Tube
- 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:
- 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
PI74FCT162244TAE FAQ
1.How can I place an order for PI74FCT162244TAE through Aetrix?
Please submit a Request for Quotation (RFQ) for PI74FCT162244TAE 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 PI74FCT162244TAE reliable?
The price and inventory of PI74FCT162244TAE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI74FCT162244TAE is usually 5 days.
3.What payment methods are accepted for PI74FCT162244TAE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI74FCT162244TAE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI74FCT162244TAE?
PI74FCT162244TAE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI74FCT162244TAE 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 PI74FCT162244TAE?
For technical support, including PI74FCT162244TAE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI74FCT162244TAE requirements.
6.How does Aetrix verify that PI74FCT162244TAE is sourced from the original manufacturer or authorized distributors?
All PI74FCT162244TAE 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 PI74FCT162244TAE meets industry standards.
7.What is the process for return or replacement of PI74FCT162244TAE?
All PI74FCT162244TAE units undergo pre-shipment inspection (PSI). If there is an issue with PI74FCT162244TAE, 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 PI74FCT162244TAE part is unused and in its original packaging.
Return procedure for PI74FCT162244TAE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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