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Diodes Incorporated PI74FCT162374ATA
- Part No.:
- PI74FCT162374ATA
- Manufacturer:
- Diodes Incorporated
- Category:
- Flip Flops
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
PI74FCT162374ATA.pdf
- Description:
- IC FF D-TYPE DUAL 8BIT 48TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,380
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Product details
Overview
PI74FCT162374ATA from Pericom Semiconductor is a 16-bit, 3-state octal D-type register with balanced ±24 mA output drivers, 48-pin TSSOP-A package, and integrated current-limiting resistors for controlled edge rates-designed for high-noise-margin backplane and bus interface applications in industrial control systems.
For engineers reviewing the PI74FCT162374ATA datasheet, PI74FCT162374ATA pinout, PI74FCT162374ATA application, or PI74FCT162374ATA equivalent, key selection criteria include output drive symmetry, ground bounce performance (<0.6 V), dual 8-bit/16-bit clock enable architecture, and compatibility with 5V TTL/CMOS logic families in hot-swap-capable systems.
Technical Context
This device implements two independent 8-bit register banks sharing buffered clock (xCLK) and active-low output enable (xOE) controls, enabling flexible partitioning of data paths. Each bank contains eight D-type flip-flops with synchronous edge-triggered latching on LOW-to-HIGH clock transitions.
Its ±24 mA balanced output drivers incorporate on-die current-limiting resistors to reduce simultaneous switching noise, eliminating external termination in most parallel bus designs. Hysteresis on all inputs ensures robust noise immunity across –40°C to +85°C operation at VCC = 5.0 V ±10%.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Supply | 5.0 V ±10% - compatible with standard 5V TTL/CMOS logic rails and legacy backplane interfaces |
| Output Drive | ±24 mA - symmetrical sourcing/sinking enables stable signal integrity on bidirectional buses without external biasing |
| Ground Bounce (VOLP) | <0.6 V typical at VCC = 5 V - reduces false triggering in dense PCB layouts with shared ground planes |
| Propagation Delay (tPLH/tPHL) | 2.0–10.0 ns (CL = 50 pF, RL = 500 Ω) - supports >100 MHz clock rates in register-intensive control logic |
| Setup/Hold Times | tSU = 2.0 ns, tH = 1.5 ns - meets timing margins for fast 5V microprocessor address/data latching |
| Input Hysteresis | 100 mV - rejects high-frequency noise on asynchronous control lines like OE and CLK in electrically noisy environments |
| Operating Temperature | –40°C to +85°C - qualified for industrial automation, telecom line cards, and embedded instrumentation |
Pinout & Package
Package: 48-pin plastic TSSOP (240 mil wide, suffix "A"), JEDEC MO-153 compliant, surface-mount with gull-wing leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OE, 2OE | Active-low 3-state output enable | Independent control per 8-bit bank; HIGH disables outputs to high-impedance state, enabling bus sharing |
| 1CLK, 2CLK | Positive-edge clock input | Transfers data from D inputs to Q outputs on LOW-to-HIGH transition; buffered to minimize skew between banks |
| 1D0–1D7, 2D0–2D7 | Data inputs | Asynchronous inputs accepting TTL/CMOS logic levels; hysteresis improves noise margin |
| 1O0–1O7, 2O0–2O7 | 3-state outputs | ±24 mA balanced drivers with internal current limiting; no external termination required for most 50 Ω traces |
| VCC (Pins 7, 22, 37) | Power supply | Three dedicated VCC pins reduce IR drop and improve power delivery stability across 16 outputs |
| GND (Pins 3, 18, 33) | Ground reference | Three GND pins minimize ground bounce by distributing return current paths |
Key Features
| Feature | Design Value |
|---|---|
| Balanced ±24 mA outputs | Eliminates need for external pull-ups/downs and reduces ground bounce in multi-drop bus topologies |
| Integrated edge-rate control | On-die current-limiting resistors suppress overshoot/undershoot, enabling clean signal transitions on long traces |
| Dual 8-bit register configuration | Allows independent latching of two 8-bit data streams (e.g., upper/lower byte of a 16-bit bus) using shared clock resources |
| Hysteresis on all inputs | 100 mV noise margin prevents metastability on OE and CLK lines in EMI-prone industrial enclosures |
| Low quiescent ICC | 0.1–500 µA typical - minimizes standby power in always-on control modules and remote I/O nodes |
Applications
| Industrial PLC Backplanes | Telecom Line Card Interfaces |
|---|---|
|
Use Scenario: Latching address and data signals between MPU and peripheral modules on a 16-bit parallel backplane. IC Role / Device Role / Timing Role: Synchronous 16-bit register providing setup/hold-compliant data capture synchronized to system clock. Use Value: ±24 mA drive and <0.6 V ground bounce ensure reliable signal integrity across 10+ slot backplanes without termination networks. |
Use Scenario: Isolating and buffering control signals between FPGA and analog front-end ASICs on a modular line card. IC Role / Device Role / Timing Role: Dual-bank register enabling independent timing control of configuration registers and status feedback paths. Use Value: Independent 1OE/2OE pins allow staggered enable sequencing to prevent bus contention during hot-swap events. |
| Automated Test Equipment (ATE) | Medical Imaging Data Acquisition |
|
Use Scenario: Capturing parallel sensor outputs from multiple ADC channels before serial conversion. IC Role / Device Role / Timing Role: High-speed latch synchronizing burst-mode analog sample data to a centralized timing controller. Use Value: 2.0 ns minimum setup time and 10 ns max propagation delay support sampling rates up to 100 MSPS per channel group. |
Use Scenario: Interfacing high-resolution image sensor arrays to FPGA-based preprocessing engines in portable ultrasound units. IC Role / Device Role / Timing Role: Bus interface register managing pixel data flow under strict EMI/EMC constraints in battery-powered devices. Use Value: Hysteresis and low ground bounce meet IEC 60601-1 radiated emissions limits without added shielding or filtering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit 3-state register applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74FCT162374CTPV | Same function but SSOP-V (300 mil) package; slightly higher ICC (1.5 mA typical vs. 0.5 mA) | Preferred where board space allows larger footprint and thermal dissipation is less constrained | Select when existing layout uses SSOP or requires higher thermal margin at full load |
| SN74ALVCH162374GR | 3.3 V only; LVCMOS-compatible; lower drive (±24 mA not guaranteed; typical ±12 mA) | Requires level-shifting for 5V systems; unsuitable for direct replacement in legacy 5V backplanes | Choose only for new 3.3 V designs targeting lower power and smaller package (56-pin VQFN) |
Compared with PI74FCT162374ATA, the 74FCT162374CTPV offers identical electrical behavior in a wider SSOP package ideal for manual rework, while SN74ALVCH162374GR trades 5V compatibility for 3.3 V efficiency-making the PI74FCT162374ATA the sole drop-in solution for noise-sensitive, hot-swap-capable 5V industrial backplanes.
Availability
PI74FCT162374ATA is available at Aetrix Electronics and suitable for industrial PLC backplanes, telecom line card interfaces, and automated test equipment requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for PI74FCT162374ATA 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 was a fabless provider specializing in high-speed interface, timing, and logic solutions for communications and computing infrastructure before its acquisition by Diodes Incorporated in 2016.
The PI74FCT series targets 5V mixed-signal systems needing TTL-compatible speed, low ground bounce, and robust noise immunity-specifically engineered for backplane, bus interface, and control logic in industrial and telecom equipment.
FAQ
Is PI74FCT162374ATA pin-compatible with other members of the PI74FCT16xxx register family?
Yes-PI74FCT162374ATA shares identical pinout and package (48-pin TSSOP-A) with PI74FCT16374ATA and PI74FCT162H374ATA. Functional differences lie in output drive strength (±24 mA vs. –32/+64 mA), bus-hold presence, and power-off disable capability-not physical layout.
Does PI74FCT162374ATA support live insertion in backplane applications?
No-live insertion capability is exclusive to the PI74FCT16374T variant, which features power-off disable outputs. The PI74FCT162374ATA lacks this feature; its outputs enter high-impedance only when xOE is asserted, not when VCC is removed.
What is the maximum clock frequency supported by PI74FCT162374ATA?
Based on worst-case propagation delay (10.0 ns) and minimum pulse width (7.0 ns), the device reliably operates up to 71 MHz (1/14 ns period). At typical conditions (4.2 ns delay), it supports >100 MHz in well-designed 50 Ω-controlled impedance layouts.
Can PI74FCT162374ATA drive unterminated 50 Ω transmission lines directly?
Yes-the ±24 mA balanced drivers with built-in edge-rate control are characterized to drive 50 Ω loads without external termination in most cases. Measured ground bounce remains below 0.6 V, confirming suitability for point-to-point and short stub bus topologies.
PI74FCT162374ATA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74FCT
- Package/Case:
- 48-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Function:
- Standard
- Type:
- D-Type
- Output Type:
- Tri-State, Non-Inverted
- Number of Elements:
- 2
- Number of Bits per Element:
- 8
- Clock Frequency:
- -
- Max Propagation Delay @ V, Max CL:
- 6.5ns @ 5V, 50pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 24mA, 24mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Iq):
- 500 µA
- Input Capacitance:
- 4.5 pF
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSSOP
PI74FCT162374ATA FAQ
1.How can I place an order for PI74FCT162374ATA through Aetrix?
Please submit a Request for Quotation (RFQ) for PI74FCT162374ATA 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 PI74FCT162374ATA reliable?
The price and inventory of PI74FCT162374ATA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI74FCT162374ATA is usually 5 days.
3.What payment methods are accepted for PI74FCT162374ATA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI74FCT162374ATA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI74FCT162374ATA?
PI74FCT162374ATA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI74FCT162374ATA 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 PI74FCT162374ATA?
For technical support, including PI74FCT162374ATA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI74FCT162374ATA requirements.
6.How does Aetrix verify that PI74FCT162374ATA is sourced from the original manufacturer or authorized distributors?
All PI74FCT162374ATA 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 PI74FCT162374ATA meets industry standards.
7.What is the process for return or replacement of PI74FCT162374ATA?
All PI74FCT162374ATA units undergo pre-shipment inspection (PSI). If there is an issue with PI74FCT162374ATA, 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 PI74FCT162374ATA part is unused and in its original packaging.
Return procedure for PI74FCT162374ATA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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