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NXP Semiconductors 74ABT652ADB,118
- Part No.:
- 74ABT652ADB,118
- Manufacturer:
- NXP Semiconductors
- Package:
- 24-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
74ABT652ADB,118.pdf
- Description:
- IC TXRX NON-INVERT 5.5V 24SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,546
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Product details
Overview
74ABT652ADB,118 from NXP Semiconductors is an octal non-inverting bus transceiver/register with dual 3-state outputs, independent A/B bus registers, and real-time/multiplexed data routing capability. It operates from 4.5 V to 5.5 V, delivers ±64 mA/−32 mA output drive, supports −40 °C to +85 °C ambient, and enables bidirectional data flow between parallel buses in industrial control backplanes.
For engineers reviewing the 74ABT652ADB,118 datasheet, 74ABT652ADB,118 pinout, 74ABT652ADB,118 application, or 74ABT652ADB,118 equivalent, key selection criteria include simultaneous A↔B register storage, staggered clocking support for dual-bus synchronization, live insertion capability, and 3-state power-up behavior for hot-swap bus systems.
Technical Context
The 74ABT652ADB,118 integrates two independent D-type flip-flop banks (A-side and B-side), each with dedicated clock (CPAB/CPBA), select (SAB/SBA), and output enable (OEAB/OEBA) controls. Its BiCMOS architecture enables high-speed propagation (tPLH/tPHL ≤ 5.6 ns at 5 V) while maintaining low static current (ICC ≤ 250 µA) and robust latch-up immunity (>500 mA per JESD78B Class II).
Real-time transfer and stored-data modes are controlled via combinational logic of SAB/SBA and OEAB/OEBA inputs. When both selects are LOW, clocks may occur simultaneously; when either is HIGH, clocks must be staggered to avoid register contention-enabling deterministic multiplexed bus arbitration without external sequencing logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Function | Octal non-inverting transceiver/register with dual 3-state outputs and independent A/B bus registers |
| Supply Voltage | 4.5 V to 5.5 V - ensures compatibility with standard 5 V TTL/CMOS logic domains and stable operation across industrial voltage tolerances |
| Output Drive | +64 mA sink / −32 mA source - supports direct driving of heavy capacitive loads or multiple TTL inputs without buffer amplification |
| Propagation Delay | ≤5.6 ns (tPLH/tPHL, CPAB→Bn @ −40 °C to +85 °C) - enables reliable operation in high-speed bus timing budgets up to 125 MHz maximum frequency |
| Operating Temperature | −40 °C to +85 °C - qualified for industrial-grade embedded systems including programmable logic controllers and motor drive interfaces |
| ESD Protection | HBM >2000 V, MM >200 V - provides robust handling during PCB assembly and field maintenance without additional protection circuitry |
| Latch-up Immunity | >500 mA per JESD78B Class II - prevents destructive latch-up under transient overvoltage or ground bounce conditions |
Pinout & Package
74ABT652ADB,118 uses the SSOP24 (SOT340-1) package: plastic shrink small outline, 24 leads, 5.3 mm body width, 0.65 mm lead pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 CPAB | A-to-B clock input | Triggers latching of A-bus data into B-side register on LOW-to-HIGH transition; enables synchronous A→B data capture |
| 2 SAB | A-to-B select input | Controls mode: HIGH enables real-time A→B transfer; LOW enables A→B stored-data output or isolation |
| 3 OEAB | A-to-B output enable (active LOW) | Enables/disables B-side outputs when SAB = HIGH; maintains 3-state when HIGH regardless of SAB state |
| 4–11 A0–A7 | A-side bidirectional data I/O | Connects to A-bus; functions as input during register load, output during real-time or stored-data transfer to B-bus |
| 12 GND | Ground reference | Primary 0 V return path for all internal logic and output drivers; requires low-impedance PCB connection |
| 13–20 B0–B7 | B-side bidirectional data I/O | Connects to B-bus; functions as input during register load, output during real-time or stored-data transfer to A-bus |
| 21 OEBA | B-to-A output enable (active LOW) | Enables/disables A-side outputs when SBA = HIGH; maintains 3-state when HIGH regardless of SBA state |
| 22 SBA | B-to-A select input | Controls mode: HIGH enables real-time B→A transfer; LOW enables B→A stored-data output or isolation |
| 23 CPBA | B-to-A clock input | Triggers latching of B-bus data into A-side register on LOW-to-HIGH transition; enables synchronous B→A data capture |
| 24 VCC | Positive supply voltage | 5 V nominal supply; decoupling capacitor (≥100 nF) required within 10 mm of pin for noise suppression and dynamic current delivery |
Key Features
| Feature | Design Value |
|---|---|
| Independent A/B registers | Enables concurrent storage and routing of data from two separate buses without cross-talk or timing interference |
| Multiplexed real-time + stored data | Allows simultaneous use of live bus signals and previously captured register contents for glitch-free arbitration and buffering |
| Live insertion/extraction support | Permits hot-plug operation in modular backplane systems without disrupting adjacent bus segments or requiring system reset |
| Power-up 3-state | Guarantees all outputs remain high-impedance until VCC stabilizes above 2.1 V, preventing bus contention during power ramp |
| BiCMOS process | Combines bipolar speed and CMOS low static power: ICC ≤ 250 µA at 5.5 V with 125 MHz max clock frequency capability |
Applications
| Industrial Backplane Interface | Programmable Logic Controller (PLC) I/O Module |
|---|---|
Use Scenario: Bidirectional data exchange between CPU module and distributed I/O cards in a 5 V industrial backplane with hot-swap capability. IC Role / Device Role / Timing Role: Bus transceiver/register managing time-multiplexed access to shared memory-mapped I/O space while isolating faulted modules. Use Value: Eliminates need for external clock sequencing logic by supporting staggered CPAB/CPBA triggering and simultaneous register storage-reducing BOM count and layout complexity. |
Use Scenario: Interfacing FPGA-based logic core to 8-bit sensor/actuator buses with real-time monitoring and buffered command execution. IC Role / Device Role / Timing Role: Dual-role interface providing immediate sensor read-through (real-time) and queued actuator writes (stored-data) under PLC scan cycle constraints. Use Value: Enables deterministic response to fast-changing analog inputs via real-time path while executing delayed digital commands from register bank-improving control loop jitter performance. |
| Automotive Diagnostic Communication Hub | Test Equipment Bus Extender |
Use Scenario: Aggregating CAN/LIN diagnostic messages from multiple ECUs onto a single high-speed debug bus in vehicle-level test rigs. IC Role / Device Role / Timing Role: Register-controlled transceiver synchronizing burst-mode diagnostic packets across heterogeneous sub-buses with precise clock edge alignment. Use Value: Supports simultaneous capture of timestamped ECU responses using CPAB/CPBA, then replay to host via stored-data mode-enabling repeatable fault injection testing. |
Use Scenario: Extending 8-bit parallel test bus from mainframe to remote fixture while preserving signal integrity and enabling isolated channel enable/disable. IC Role / Device Role / Timing Role: Isolation and drive-enhanced transceiver providing +64 mA sink capability to drive long cables and multiple DUT inputs without signal degradation. Use Value: Delivers 5.6 ns max propagation delay and 50 pF load drive capability-maintaining setup/hold timing margins across 1 m ribbon cable runs at 10 MHz test clock rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal transceiver/register applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74ABT652APW,118 | TSSOP24 package (4.4 mm width); identical electrical specs and pinout; lower profile but reduced thermal mass | Better suited for space-constrained PCBs where height clearance is critical; slightly higher thermal resistance limits sustained 64 mA drive | Select when board area is constrained and thermal load remains below 70% of max rating |
| SN74ABT652N | DIP-24 package; same logic function and DC specs; slower max frequency (100 MHz vs 125 MHz); no live insertion support | Legacy through-hole prototyping or repair; incompatible with automated SMT assembly; unsuitable for hot-swap systems | Choose only for hand-soldered evaluation or legacy system replacement where SSOP/TSSOP rework is impractical |
Compared with 74ABT652APW,118 and SN74ABT652N, the 74ABT652ADB,118 uniquely balances compact SSOP24 footprint, full industrial temperature range, live insertion capability, and 125 MHz timing headroom-making it optimal for new SMT-based industrial and automotive diagnostics designs requiring field-replaceable modules.
Availability
74ABT652ADB,118 is available at Aetrix Electronics and suitable for industrial backplane interfaces, programmable logic controller I/O modules, and automotive diagnostic communication hubs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74ABT652ADB,118 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The 74ABT652ADB,118 belongs to NXP's ABT-series advanced BiCMOS logic family, designed specifically for high-speed, low-power, hot-pluggable bus interfacing in industrial control and automotive diagnostic systems.
FAQ
What is the maximum clock frequency supported by the 74ABT652ADB,118?
The 74ABT652ADB,118 supports a maximum clock frequency of 125 MHz across its full operating temperature range (−40 °C to +85 °C). This value is guaranteed under recommended conditions (VCC = 5.0 V ± 0.5 V) and reflects worst-case propagation delay (tPLH/tPHL ≤ 5.6 ns). The device achieves this performance using BiCMOS process technology while maintaining low static power consumption.
Does the 74ABT652ADB,118 support live insertion in backplane systems?
Yes, the 74ABT652ADB,118 explicitly supports live insertion and extraction per its datasheet features. This capability is enabled by its power-up 3-state behavior, robust ESD protection (HBM >2000 V), and latch-up immunity exceeding 500 mA per JESD78B Class II-ensuring safe hot-plug operation without bus contention or damage to adjacent modules in industrial backplane environments.
How does the 74ABT652ADB,118 handle simultaneous A-to-B and B-to-A data transfers?
The 74ABT652ADB,118 does not support true simultaneous bidirectional transfer. When both SAB and SBA are LOW, clocks (CPAB and CPBA) may occur simultaneously to store data from both buses. However, real-time transfer requires one select HIGH and the other LOW. Staggered clocking is mandatory if both selects are HIGH to avoid register contention-this is enforced by the device's internal logic and documented in the function table.
What are the absolute maximum ratings for supply voltage and junction temperature of the 74ABT652ADB,118?
The 74ABT652ADB,118 has an absolute maximum supply voltage (VCC) of −0.5 V to +7.0 V and a maximum junction temperature (Tj) of 150 °C. These limiting values define stress thresholds beyond which permanent damage may occur. For reliable operation, the device must be used within recommended conditions: VCC = 4.5 V to 5.5 V and ambient temperature = −40 °C to +85 °C, with appropriate thermal design to keep Tj ≤ 150 °C.
Can the 74ABT652ADB,118 operate with mixed-voltage buses (e.g., 3.3 V logic on one side, 5 V on the other)?
No, the 74ABT652ADB,118 is a 5 V-only device with VCC = 4.5 V to 5.5 V and input voltage range VI = −1.2 V to +7.0 V. While inputs tolerate overvoltage up to +7.0 V, the outputs swing rail-to-rail relative to VCC and are not level-shifted. Driving or receiving 3.3 V logic directly risks violating VOL/VOH thresholds and may cause timing violations or increased power dissipation-external level-shifting circuitry is required for mixed-voltage interoperation.
74ABT652ADB,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74ABT
- Package/Case:
- 24-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Transceiver, Non-Inverting
- Number of Elements:
- 1
- 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:
- 24-SSOP
74ABT652ADB,118 FAQ
1.How can I place an order for 74ABT652ADB,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ABT652ADB,118 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 74ABT652ADB,118 reliable?
The price and inventory of 74ABT652ADB,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ABT652ADB,118 is usually 5 days.
3.What payment methods are accepted for 74ABT652ADB,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ABT652ADB,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ABT652ADB,118?
74ABT652ADB,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ABT652ADB,118 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 74ABT652ADB,118?
For technical support, including 74ABT652ADB,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ABT652ADB,118 requirements.
6.How does Aetrix verify that 74ABT652ADB,118 is sourced from the original manufacturer or authorized distributors?
All 74ABT652ADB,118 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 74ABT652ADB,118 meets industry standards.
7.What is the process for return or replacement of 74ABT652ADB,118?
All 74ABT652ADB,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74ABT652ADB,118, 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 74ABT652ADB,118 part is unused and in its original packaging.
Return procedure for 74ABT652ADB,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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