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Texas Instruments 74FCT16652ATPVCG4
- Part No.:
- 74FCT16652ATPVCG4
- Manufacturer:
- Texas Instruments
- Package:
- 56-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
74FCT16652ATPVCG4.pdf
- Description:
- IC TXRX NON-INVERT 5.5V 56SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,925
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Product details
Overview
74FCT16652ATPVCG4 from Texas Instruments is a 16-bit registered transceiver organized as two independent 8-bit bus transceivers with three-state D-type registers, 64 mA sink / 32 mA source drive capability, typical output skew < 250 ps, and industrial −40°C to +85°C operation. It enables bidirectional data transfer between high-capacitance buses or backplanes while supporting real-time or stored-data modes via SAB/SBA control.
For engineers reviewing the 74FCT16652ATPVCG4 datasheet, 74FCT16652ATPVCG4 pinout, 74FCT16652ATPVCG4 application, or 74FCT16652ATPVCG4 equivalent, key selection criteria include its 6.3 ns max propagation delay (bus-to-bus), Ioff partial-power-down support, edge-rate controlled outputs for noise reduction, and SSOP-56 package compatibility with legacy 300-mil footprint designs.
Technical Context
This device implements dual 8-bit registered transceiver logic with separate CLKAB/CLKBA clocks and SAB/SBA select inputs, allowing independent storage and multiplexed transmission of A- or B-bus data. Its D-type flip-flops latch on LOW-to-HIGH clock transitions regardless of OE or S state, enabling robust data capture under asynchronous control.
It features Ioff circuitry that disables outputs during power-down to prevent current backflow, and edge-rate control circuitry that reduces ground bounce (typical VOLP < 1.0 V at VCC = 5 V) and system switching noise-critical for stable operation in mixed-signal or high-speed digital systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Supply | 5 V ± 10% - compatible with standard TTL/CMOS 5-V systems without level-shifting |
| Propagation Delay | 6.3 ns max (bus-to-bus) - supports ≤150 MHz data throughput in synchronous bus architectures |
| Output Drive | 64 mA sink / 32 mA source - drives heavy capacitive loads (e.g., backplanes, long traces) without external buffers |
| Output Skew | < 250 ps typical - ensures tight timing alignment across all 16 bits for parallel data integrity |
| Operating Temperature | −40°C to +85°C - qualified for industrial environments including factory automation and motor control |
| Ioff Support | Enabled at VCC = 0 V - prevents damaging back-current when powered down in partial-power-down systems |
| ESD Rating | > 2000 V HBM - provides robust handling margin during board assembly and field service |
Pinout & Package
74FCT16652ATPVCG4 is housed in a 56-lead SSOP (Shrunk Small Outline Package), 300-mil body width, 0.635 mm pitch, with exposed thermal pad not present. Pin 1 marked by notch or dot; pin count and layout conform to JEDEC MO-118AA.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OEAB, 2OEAB | Output Enable A→B | Active-low control enabling A-bus drivers to B-bus; asserts high-impedance when HIGH |
| 1OEBA, 2OEBA | Output Enable B→A | Active-low control enabling B-bus drivers to A-bus; asserts high-impedance when HIGH |
| 1CLKAB, 2CLKAB | Register Clock A→B | LOW-to-HIGH edge latches A-bus data into internal D-flip-flop for stored-mode transfer |
| 1CLKBA, 2CLKBA | Register Clock B→A | LOW-to-HIGH edge latches B-bus data into internal D-flip-flop for stored-mode transfer |
| 1SAB, 2SAB | Select Source A→B | H = real-time A-bus data to B-bus; L = stored A-bus data to B-bus |
| 1SBA, 2SBA | Select Source B→A | H = real-time B-bus data to A-bus; L = stored B-bus data to A-bus |
| A1–A8, B1–B8 | Data Bus Terminals | Bidirectional I/O pins: input when driving opposite bus, output when enabled per OE/S mode |
| VCC, GND | Power & Ground | Dual VCC/GND pairs per half-device (pins 12/13, 27/28, 41/42, 55/56) reduce supply noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| Ioff partial-power-down support | Prevents reverse current flow during system sleep or hot-swap events, eliminating need for external isolation |
| Edge-rate controlled outputs | Reduces ground bounce (VOLP < 1.0 V) and EMI, enabling reliable operation on shared power planes |
| Independent dual 8-bit register control | Allows asymmetric data flow-e.g., store B-bus while transmitting real-time A-bus-without interlock logic |
| Three-state D-type registers with clock enable | Latches data on clock edge regardless of OE/S state, ensuring deterministic timing in asynchronous bus arbitration |
| Industrial temperature range | Validated operation from −40°C to +85°C supports deployment in uncontrolled enclosures and outdoor electronics |
Applications
| Industrial Backplane Interface | Legacy Bus Extension |
|---|---|
Use Scenario: Interfacing a microcontroller local bus to a 16-bit ISA-compatible backplane with 50+ pF trace capacitance per line. IC Role / Device Role / Timing Role: Registered transceiver providing buffered, skew-controlled bidirectional data path with clock-synchronized latching. Use Value: 64 mA sink drive maintains signal integrity across long backplane traces; 6.3 ns delay enables full-speed 16-bit transfers at 150 MHz system clock domains. |
Use Scenario: Extending an aging 80C188-based control system with additional peripheral slots while preserving original timing margins. IC Role / Device Role / Timing Role: Level-shifting and timing-isolated bus repeater between CPU and expansion modules. Use Value: Real-time/stored mode selection allows dynamic reconfiguration without CPU intervention; Ioff protects powered-down slots during hot-plug maintenance. |
| Motor Control I/O Hub | Test Equipment Data Mux |
Use Scenario: Aggregating position encoder, analog monitor, and PWM feedback signals onto a centralized FPGA interface in servo drives. IC Role / Device Role / Timing Role: Synchronized register bank capturing parallel sensor data on common clock edge before FPGA readout. Use Value: Sub-250 ps output skew ensures simultaneous sampling across all 16 channels; industrial temp rating matches motor enclosure conditions. |
Use Scenario: Multiplexing 16-channel digital stimulus/response paths in automated test equipment with programmable data routing. IC Role / Device Role / Timing Role: Reconfigurable bidirectional data switch with on-chip storage for pattern generation and capture. Use Value: SAB/SBA select pins allow FPGA-controlled routing between real-time pass-through and stored-pattern replay-no external latch required. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar registered transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY74FCT16652CTPVC | 5.4 ns max propagation delay (vs. 6.3 ns); otherwise identical pinout, function, and drive strength | Better suited for higher-frequency bus timing budgets where sub-6 ns delay is required | Select when system clock period demands tighter setup/hold margins than 74FCT16652ATPVCG4 supports |
| 74FCT162652ATPVCT | 24 mA balanced output drivers (vs. 64/32 mA asymmetrical); lower ground bounce (VOLP < 0.6 V) | Optimized for transmission-line driving with reduced termination needs; less suitable for high-capacitance backplanes | Choose for point-to-point or controlled-impedance links where signal integrity outweighs raw drive strength |
Compared with CY74FCT16652CTPVC, 74FCT16652ATPVCG4 trades 0.9 ns speed for broader availability and cost efficiency in industrial timing-critical but non-extreme-frequency applications; versus 74FCT162652ATPVCT, it delivers higher sink current for legacy bus loading at the expense of slightly higher ground bounce.
Availability
74FCT16652ATPVCG4 is available at Aetrix Electronics and suitable for industrial backplane interfaces, legacy bus extensions, motor control I/O hubs, and test equipment data mux applications requiring stable component supply, long-term lifecycle support, and guaranteed SSOP-56 footprint compatibility.
Supply support for 74FCT16652ATPVCG4 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 connectivity solutions for industrial, automotive, and personal electronics markets.
The 74FCT16652ATPVCG4 belongs to TI's FCT logic family-designed specifically for high-speed, low-noise, industrial-grade bus interfacing with robust power-down behavior and precise timing control.
FAQ
What is the maximum operating frequency supported by the 74FCT16652ATPVCG4?
The 74FCT16652ATPVCG4 has a maximum propagation delay of 6.3 ns (bus-to-bus), enabling reliable operation in systems with clock periods ≥12.6 ns-corresponding to a theoretical maximum toggle rate of ~150 MHz. Actual system frequency depends on board layout, load capacitance, and setup/hold timing margins, but the device is routinely deployed in 80–100 MHz industrial bus architectures.
Does the 74FCT16652ATPVCG4 support partial power-down mode?
Yes, the 74FCT16652ATPVCG4 integrates Ioff circuitry that disables all outputs when VCC = 0 V, preventing damaging current backflow from live buses into a powered-down device. This feature is fully specified over the industrial temperature range and requires no external components to implement safe partial-power-down operation.
What package type is used for the 74FCT16652ATPVCG4?
The 74FCT16652ATPVCG4 uses a 56-lead SSOP (Shrunk Small Outline Package) with 300-mil body width and 0.635 mm lead pitch, designated as package code O56. It is pin-compatible with other CY74FCT16652x variants in SSOP-56 and adheres to JEDEC MO-118AA mechanical standards.
How does the 74FCT16652ATPVCG4 handle ground bounce compared to earlier FCT devices?
The 74FCT16652ATPVCG4 incorporates edge-rate control circuitry that limits slew rate, resulting in typical ground bounce (VOLP) < 1.0 V at VCC = 5 V and TA = 25°C-significantly improved over non-edge-controlled predecessors. This reduces system-level noise coupling and improves signal integrity on shared ground planes.
Can the 74FCT16652ATPVCG4 operate with mixed-voltage signaling (e.g., 3.3 V inputs driving a 5 V supply)?
No-the 74FCT16652ATPVCG4 is a 5-V-only device with VIH = 2.0 V minimum and VIL = 0.8 V maximum, designed for TTL/CMOS 5-V logic families. Inputs exceeding VCC + 0.5 V or falling below GND − 0.5 V violate absolute maximum ratings. For mixed-voltage systems, level translators or 3.3-V-compatible alternatives like the 74LVC16652 must be used instead of the 74FCT16652ATPVCG4.
74FCT16652ATPVCG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74FCT
- Package/Case:
- 56-BSSOP (0.295", 7.50mm Width)
- Packaging:
- Tube
- 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:
- 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-SSOP
74FCT16652ATPVCG4 FAQ
1.How can I place an order for 74FCT16652ATPVCG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74FCT16652ATPVCG4 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 74FCT16652ATPVCG4 reliable?
The price and inventory of 74FCT16652ATPVCG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74FCT16652ATPVCG4 is usually 5 days.
3.What payment methods are accepted for 74FCT16652ATPVCG4?
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4.How is shipping managed for 74FCT16652ATPVCG4?
74FCT16652ATPVCG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74FCT16652ATPVCG4 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 74FCT16652ATPVCG4?
For technical support, including 74FCT16652ATPVCG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74FCT16652ATPVCG4 requirements.
6.How does Aetrix verify that 74FCT16652ATPVCG4 is sourced from the original manufacturer or authorized distributors?
All 74FCT16652ATPVCG4 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 74FCT16652ATPVCG4 meets industry standards.
7.What is the process for return or replacement of 74FCT16652ATPVCG4?
All 74FCT16652ATPVCG4 units undergo pre-shipment inspection (PSI). If there is an issue with 74FCT16652ATPVCG4, 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 74FCT16652ATPVCG4 part is unused and in its original packaging.
Return procedure for 74FCT16652ATPVCG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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