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Renesas 74LVCHR162245APAG8
- Part No.:
- 74LVCHR162245APAG8
- Manufacturer:
- Renesas
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
74LVCHR162245APAG8.pdf
- Description:
- IC TXRX NON-INVERT 3.6V 48TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,325
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Product details
Overview
74LVCHR162245APAG8 from Renesas Electronics is a 3.3V CMOS 16-bit bus transceiver with 3-state outputs, 5V-tolerant I/O, bus-hold, and ±12mA balanced drivers. It operates across –40°C to +85°C, supports mixed 3.3V/5V systems, and enables bidirectional data flow between two buses via DIR/OE controls.
For engineers reviewing the 74LVCHR162245APAG8 datasheet, 74LVCHR162245APAG8 pinout, 74LVCHR162245APAG8 application, or 74LVCHR162245APAG8 equivalent, key selection criteria include industrial temperature operation, 5V I/O tolerance, bus-hold functionality, output skew <500ps, and TSSOP-48 package compatibility.
Technical Context
This device implements dual 8-bit or unified 16-bit asynchronous bus translation using hysteresis-enhanced inputs and series-resistor–equipped outputs to suppress switching noise. Its DIR and OE pins provide independent control of direction and 3-state enable per bank.
The 74LVCHR162245APAG8 integrates bus-hold circuitry on all I/O pins (excluding control pins), eliminating external pull resistors, and features ESD protection >2000V (MIL-STD-883) and >200V (machine model). It supports hot insertion and operates over VCC = 2.7V–3.6V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2.7V to 3.6V - ensures interoperability in mixed-voltage industrial systems without level-shifting circuitry |
| IOH/IOL Drive | ±12mA at VCC = 3V - sufficient to drive standard TTL loads and light-capacitance buses directly |
| tSK(o) | <500ps - guarantees tight timing alignment across outputs for high-speed parallel bus integrity |
| I/O Voltage Tolerance | 5V tolerant - allows safe interfacing with legacy 5V logic while powered from 3.3V supply |
| Bus-Hold Current | ±75μA typical - actively retains last valid logic state on floating inputs, removing need for external biasing |
| Static ICC | 10μA max - enables ultra-low quiescent power in always-on industrial control subsystems |
| Propagation Delay | 1.5ns to 4.8ns - supports >200MHz bus toggle rates in point-to-point or lightly loaded configurations |
Pinout & Package
TSSOP-48 package (PAG suffix), 0.5mm pitch, 12.5mm × 6.1mm body size, lead-free and RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1DIR, 2DIR | Direction Control Input (Active HIGH) | Selects data flow direction per 8-bit bank: HIGH = A→B, LOW = B→A |
| 1OE, 2OE | Output Enable Input (Active LOW) | Disables both A and B ports to high-impedance when asserted; overrides DIR |
| 1A1–1A8, 2A1–2A8 | Side-A I/O with Bus-Hold | 8-bit port A; all pins support 5V tolerance and retain last state when floating |
| 1B1–1B8, 2B1–2B8 | Side-B I/O with Bus-Hold | 8-bit port B; identical electrical behavior to Side-A; enables bidirectional bridging |
| VCC (Pins 4, 21, 25, 40) | Power Supply | Four dedicated VCC pins reduce IR drop and improve noise immunity across wide TSSOP body |
| GND (Pins 3, 20, 24, 39) | Ground Reference | Four GND pins ensure low-inductance return paths and stable reference for 16-bit switching |
Key Features
| Feature | Design Value |
|---|---|
| 5V-tolerant I/O | Enables direct connection to 5V peripherals without external voltage translators in mixed-supply systems |
| Integrated bus-hold | Eliminates 16 external pull-up/down resistors, reducing BOM count and PCB area in space-constrained designs |
| ±12mA balanced drivers | Provides symmetrical rise/fall times and reduced ground bounce versus unbalanced drivers |
| Low output skew (<500ps) | Maintains setup/hold timing margins across all 16 bits in high-speed parallel interfaces |
| Hot-insertion support | Allows safe live replacement in backplane or modular industrial systems without power cycling |
Applications
| Industrial PLC Backplanes | Telecom Line Card Interfaces |
|---|---|
|
Use Scenario: Bidirectional data exchange between 3.3V FPGA control plane and legacy 5V I/O modules in programmable logic controllers. IC Role / Device Role / Timing Role: Level-translating bus transceiver managing synchronous register reads/writes across voltage domains. Use Value: Eliminates discrete level shifters and pull resistors while maintaining <500ps inter-bit skew for deterministic cycle timing. |
Use Scenario: Interfacing 3.3V DSP processors with 5V analog front-end ASICs on telecom line cards operating in extended temperature ranges. IC Role / Device Role / Timing Role: Asynchronous bus bridge with independent 8-bit banks enabling concurrent control and status transfers. Use Value: Bus-hold prevents metastability during hot-swap events; ±12mA drive sustains signal integrity over 10cm FR4 traces. |
| Automotive Body Control Modules | Test Equipment Digital I/O Subsystems |
|
Use Scenario: Isolating 3.3V microcontroller GPIOs from 5V sensor interface circuits in under-hood ECUs rated for –40°C to +85°C. IC Role / Device Role / Timing Role: Voltage-domain translator with fail-safe input retention during power sequencing transitions. Use Value: Built-in hysteresis and bus-hold prevent false triggering from EMI; 2000V ESD rating meets automotive system-level requirements. |
Use Scenario: Configurable digital stimulus/response channel in automated test equipment connecting 3.3V pattern generators to 5V DUTs. IC Role / Device Role / Timing Role: Reconfigurable 16-bit transceiver supporting both unidirectional and bidirectional test vector injection. Use Value: Independent DIR/OE per bank allows dynamic reassignment of data lanes without firmware overhead or hardware changes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bus transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC162245ADGGR | No bus-hold; lower ESD rating (1500V HBM); same TSSOP-48 footprint and pinout | Lacks input state retention - requires external pull resistors in floating-input scenarios | Preferred where cost sensitivity outweighs need for bus-hold and higher ESD robustness |
| 74ALVC162245PW,118 | Wider VCC range (1.65V–3.6V); no 5V tolerance; smaller 48-pin TSSOP (6.1mm × 12.5mm same) | Not suitable for 5V system interfacing; limited to 3.3V-only environments | Selected when operating exclusively at 1.8V/2.5V/3.3V and requiring lower static current (1μA typical) |
Compared with SN74LVC162245ADGGR and 74ALVC162245PW,118, the 74LVCHR162245APAG8 uniquely combines 5V I/O tolerance, integrated bus-hold, and industrial-grade ESD protection - making it optimal for mixed-voltage industrial and telecom infrastructure where reliability under voltage transients and floating-bus conditions is critical.
Availability
74LVCHR162245APAG8 is available at Aetrix Electronics and suitable for industrial PLC backplanes, telecom line card interfaces, and automotive body control modules requiring stable component supply across extended temperature and mixed-voltage conditions.
Supply support for 74LVCHR162245APAG8 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT applications.
The 74LVCHR162245APAG8 belongs to Renesas' legacy IDT logic family, engineered specifically for robust voltage translation and noise-immune bus interfacing in harsh industrial environments.
FAQ
What is the operating temperature range of the 74LVCHR162245APAG8?
The 74LVCHR162245APAG8 is rated for industrial temperature operation from –40°C to +85°C. This range is fully specified in its DC and switching characteristics tables, ensuring guaranteed performance across thermal extremes encountered in factory automation, outdoor telecom equipment, and vehicle under-hood applications. All parameters-including propagation delay, drive strength, and bus-hold current-are validated within this range.
Does the 74LVCHR162245APAG8 support hot insertion?
Yes, the 74LVCHR162245APAG8 supports hot insertion, as confirmed by its Ioff specification (±50μA max at VCC = 0V) and 5V-tolerant I/O structure. This allows safe insertion into live backplanes or modular systems without disrupting upstream power rails or causing latch-up. The device's bus-hold feature further stabilizes inputs during plug-in transients.
How does bus-hold functionality work on the 74LVCHR162245APAG8?
The 74LVCHR162245APAG8 implements bus-hold on all I/O pins (1A1–1A8, 1B1–1B8, 2A1–2A8, 2B1–2B8), retaining the last valid logic state when inputs float. It draws ±75μA typical sustain current at VCC = 3V, eliminating need for external pull resistors. This reduces component count and improves noise immunity in high-density PCB layouts.
What is the maximum output skew for the 74LVCHR162245APAG8?
The 74LVCHR162245APAG8 specifies maximum output skew tSK(o) of 500ps under VCC = 3.3V ± 0.3V conditions. This value applies to any two outputs switching in the same direction within the same package and is measured at the 50% voltage threshold. It ensures timing coherence across all 16 bits in high-speed parallel data paths.
Can the 74LVCHR162245APAG8 interface between 3.3V and 5V logic systems?
Yes, the 74LVCHR162245APAG8 supports true 5V-tolerant I/O while operating from a 3.3V supply (VCC = 2.7V–3.6V). Inputs and outputs withstand up to 6.5V relative to GND, allowing direct connection to 5V devices without external level shifters. Its VIH/VIL thresholds scale with VCC, ensuring reliable recognition of 5V logic levels.
74LVCHR162245APAG8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- 74LVCHR
- Package/Case:
- 48-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 12mA, 12mA
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSSOP
74LVCHR162245APAG8 FAQ
1.How can I place an order for 74LVCHR162245APAG8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74LVCHR162245APAG8 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 74LVCHR162245APAG8 reliable?
The price and inventory of 74LVCHR162245APAG8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVCHR162245APAG8 is usually 5 days.
3.What payment methods are accepted for 74LVCHR162245APAG8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVCHR162245APAG8 transactions.
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4.How is shipping managed for 74LVCHR162245APAG8?
74LVCHR162245APAG8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74LVCHR162245APAG8 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 74LVCHR162245APAG8?
For technical support, including 74LVCHR162245APAG8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVCHR162245APAG8 requirements.
6.How does Aetrix verify that 74LVCHR162245APAG8 is sourced from the original manufacturer or authorized distributors?
All 74LVCHR162245APAG8 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 74LVCHR162245APAG8 meets industry standards.
7.What is the process for return or replacement of 74LVCHR162245APAG8?
All 74LVCHR162245APAG8 units undergo pre-shipment inspection (PSI). If there is an issue with 74LVCHR162245APAG8, 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 74LVCHR162245APAG8 part is unused and in its original packaging.
Return procedure for 74LVCHR162245APAG8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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