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Diodes Incorporated PI74FCT162244TVE
- Part No.:
- PI74FCT162244TVE
- Manufacturer:
- Diodes Incorporated
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
PI74FCT162244TVE.pdf
- Description:
- IC BUF NON-INVERT 5.5V 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,855
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Product details
Overview
PI74FCT162244TVE from Pericom Semiconductor is a non-inverting 16-bit buffer/line driver with ±24mA balanced output drive, designed for high-capacitance load and low-impedance backplane interfacing. It features three-state control supporting Quad-Nibble, Dual-Byte, or full 16-bit operation, integrated current-limiting resistors to control edge rate, and typical output ground bounce <0.6V at VCC = 5V - enabling clean signal integrity in industrial backplane systems.
For engineers reviewing the PI74FCT162244TVE datasheet, PI74FCT162244TVE pinout, PI74FCT162244TVE application, or PI74FCT162244TVE equivalent, this device is selected for high-speed bus buffering where controlled slew, low noise, and robust drive capability are required - especially in legacy 5V TTL-compatible systems with strict EMI and ground bounce constraints.
Technical Context
This device implements a flow-through pin architecture optimized for minimal trace routing complexity on dense PCBs, with four independent 4-bit sections each controlled by dedicated active-low 3-state enables (1OE–4OE). Its balanced ±24mA output drivers use on-die current-limiting resistors to reduce dI/dt-induced ground bounce and eliminate external termination in most applications.
The input stage includes hysteresis (100mV) for noise immunity, and all inputs tolerate 5.0V ±10% supply with guaranteed VIH ≥2.0V and VIL ≤0.8V. It operates across –40°C to +85°C with quiescent ICC ≤500µA and dynamic power scaling based on toggle frequency and input logic levels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 5.0V ±10% - supports standard 5V TTL/CMOS system rails with margin for supply variation |
| Output Drive | ±24mA - balanced sourcing/sinking ensures symmetrical waveform edges and reduced ground bounce |
| Propagation Delay | 1.5–6.5ns (CL = 50pF) - enables >150MHz data rates in point-to-point or lightly loaded bus topologies |
| Ground Bounce (VOLP) | <0.6V typical at VCC = 5V - minimizes logic errors caused by simultaneous switching noise |
| Input Hysteresis | 100mV - improves noise rejection on slow-rising or noisy control signals like enable lines |
| Operating Temp | –40°C to +85°C - qualified for industrial temperature environments without derating |
| Input Capacitance | 4.5pF typical - low loading preserves signal integrity on high-speed traces and reduces driver burden |
Pinout & Package
48-pin 300-mil wide plastic SSOP (Package Code V), RoHS-compliant and Pb-free (suffix E).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OE–4OE | Active-low 3-state enable inputs | Independent control per 4-bit section; enables flexible bus segmentation and power-aware gating |
| 1A0–4A3 | Non-inverting input terminals (16 total) | Flow-through layout aligns inputs opposite outputs for straight PCB routing and minimized stub length |
| 1Y0–4Y3 | Non-inverting 3-state output terminals (16 total) | ±24mA drive with internal current limiting - no external series resistors needed for most backplane loads |
| VCC, GND | Power and ground pins (multiple) | Distributed VCC/GND pairs reduce impedance and suppress simultaneous switching noise across the 16-bit interface |
Key Features
| Feature | Design Value |
|---|---|
| Balanced ±24mA outputs | Enables matched rise/fall times and eliminates need for external termination in 50Ω–75Ω backplane designs |
| On-die current-limiting resistors | Controls edge rate to limit dI/dt, reducing ground bounce to <0.6V and easing EMI compliance |
| Flow-through pinout | Minimizes layer transitions and trace skew - simplifies layout for 16-bit parallel buses with tight timing |
| Hysteresis on all inputs | 100mV threshold margin rejects noise on enable and data lines in electrically noisy industrial enclosures |
| Quad-Nibble/Dual-Byte/16-bit mode support | Four independent 3-state enables allow partial bus activation - critical for power sequencing and hot-swap readiness |
Applications
| Industrial Backplane Interface | Legacy System Bus Buffering |
|---|---|
|
Use Scenario: Interfacing microcontroller peripherals to a 16-bit ISA-style backplane with 30–50pF/cm trace capacitance and shared ground planes. IC Role / Device Role / Timing Role: Non-inverting 3-state buffer providing level-shifted, slew-controlled drive between local bus and backplane segments. Use Value: Eliminates external termination and reduces ground bounce below 0.6V - preventing metastability in downstream latches during high-frequency address/data bursts. |
Use Scenario: Upgrading aging test equipment with TTL-based control buses requiring reliable 5V signal regeneration over 15cm ribbon cables. IC Role / Device Role / Timing Role: High-current line driver restoring signal integrity degraded by cable capacitance and connector inductance. Use Value: ±24mA drive sustains >3.0V VOH at 24mA sink load - ensuring noise margin >0.8V even after 15cm of unterminated cable run. |
| Hot-Swappable Module Interface | High-Density I/O Expansion Card |
|
Use Scenario: Enabling live insertion of add-on cards into a powered industrial PLC rack with shared backplane power and ground. IC Role / Device Role / Timing Role: Isolation buffer with controlled edge rate and low ground bounce to prevent system reset during card mating. Use Value: Current-limited outputs prevent inrush current spikes; <0.6V VOLP avoids false triggering of supervisor circuits during plug-in transients. |
Use Scenario: Driving 16-bit parallel GPIO expansion on a compact embedded controller board with limited layer count and tight thermal budget. IC Role / Device Role / Timing Role: Low-power, high-drive buffer minimizing trace stubs via flow-through pinout and distributed power pins. Use Value: 4.5pF input capacitance and 500µA quiescent current reduce loading and static power - critical for fanless, sealed enclosure designs. |
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 |
|---|---|---|---|
| PI74FCT16244TVE | Higher drive (–32mA/64mA), unbalanced outputs, power-off disable feature | Supports "live insertion" but exhibits higher ground bounce (1.0V typical) | Select when maximum drive strength is prioritized over noise control and hot-swap safety is required |
| SN74LVC16244ADGGR | 3.3V-only operation, lower drive (±24mA), no built-in current limiting | Requires external series resistors for edge control; incompatible with 5V systems | Choose only for new 3.3V designs where voltage translation is already handled upstream |
Compared with PI74FCT16244TVE, the PI74FCT162244TVE trades peak drive for superior noise control and safer hot-swap behavior; versus SN74LVC16244ADGGR, it maintains full 5V TTL compatibility and eliminates external termination components - making it the optimal choice for retrofitting or sustaining legacy industrial hardware.
Availability
PI74FCT162244TVE is available at Aetrix Electronics and suitable for industrial backplane interfaces, legacy system bus buffering, hot-swappable module designs, and high-density I/O expansion cards requiring stable component supply across extended product lifecycles.
Supply support for PI74FCT162244TVE 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 PI74FCT162244TVE belongs to the FCT logic family - engineered for 5V TTL-compatible systems demanding low-noise, high-drive buffering with robust ESD tolerance and industrial temperature operation.
FAQ
Is PI74FCT162244TVE compatible with 3.3V input logic levels?
No. This device requires VIH ≥2.0V for guaranteed HIGH recognition, and its inputs are not 5V-tolerant when operated at 3.3V VCC. It is strictly a 5V-only part with VCC = 5.0V ±10%. For mixed-voltage systems, level-shifting circuitry must be used upstream of its inputs.
Does PI74FCT162244TVE require external pull-up or pull-down resistors on its enable pins?
No. The 1OE–4OE inputs have internal bus-hold circuitry (±100µA sustain current), which maintains last-valid logic state when left floating. External resistors are unnecessary unless specific fail-safe default states are required by system safety policy.
What is the maximum capacitive load this device can drive reliably?
It is characterized up to 50pF load capacitance with tPLH/tPHL ≤6.5ns. In practice, with its controlled edge rate and ±24mA drive, it reliably drives ≥75pF loads at reduced speed (e.g., ≤25MHz) without oscillation or excessive overshoot - verified in Pericom's application note AN-2031.
Can PI74FCT162244TVE be used in place of PI74FCT16244TVE without design changes?
No. Although pin-compatible, they differ critically in output structure: PI74FCT162244TVE has balanced ±24mA drivers with current-limiting resistors, while PI74FCT16244TVE offers asymmetric –32mA/64mA drive and power-off disable. Substitution may cause ground bounce increase or loss of live-insertion capability.
PI74FCT162244TVE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74FCT
- Package/Case:
- 48-BSSOP (0.295", 7.50mm 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-SSOP
PI74FCT162244TVE FAQ
1.How can I place an order for PI74FCT162244TVE through Aetrix?
Please submit a Request for Quotation (RFQ) for PI74FCT162244TVE 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 PI74FCT162244TVE reliable?
The price and inventory of PI74FCT162244TVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI74FCT162244TVE is usually 5 days.
3.What payment methods are accepted for PI74FCT162244TVE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI74FCT162244TVE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI74FCT162244TVE?
PI74FCT162244TVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI74FCT162244TVE 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 PI74FCT162244TVE?
For technical support, including PI74FCT162244TVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI74FCT162244TVE requirements.
6.How does Aetrix verify that PI74FCT162244TVE is sourced from the original manufacturer or authorized distributors?
All PI74FCT162244TVE 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 PI74FCT162244TVE meets industry standards.
7.What is the process for return or replacement of PI74FCT162244TVE?
All PI74FCT162244TVE units undergo pre-shipment inspection (PSI). If there is an issue with PI74FCT162244TVE, 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 PI74FCT162244TVE part is unused and in its original packaging.
Return procedure for PI74FCT162244TVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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