My Inquiry
My Account
Renesas IDT74LVCH162245APVG
- Part No.:
- IDT74LVCH162245APVG
- Manufacturer:
- Renesas
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
IDT74LVCH162245APVG.pdf
- Description:
- IC TXRX NON-INVERT 3.6V 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,611
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
IDT74LVCH162245APVG from Renesas Electronics (formerly IDT) is a 3.3V CMOS 16-bit bus transceiver with 5V-tolerant I/O, bus-hold, and dual-drive capability-featuring ±24mA drive on B-port and ±12mA on A-port. It operates across –40°C to +85°C, supports mixed 3.3V/5V systems, and functions as either one 16-bit or two independent 8-bit transceivers via DIR/OE controls.
For engineers reviewing the IDT74LVCH162245APVG datasheet, IDT74LVCH162245APVG pinout, IDT74LVCH162245APVG application, or IDT74LVCH162245APVG equivalent, key selection criteria include 5V I/O tolerance, industrial temperature operation, bus-hold functionality eliminating external pull resistors, and asymmetric output drive strength optimized for load-matched signal integrity in data communication backplanes.
Technical Context
This device implements a dual-rail translation architecture: all inputs, outputs, and I/O pins tolerate 0–5.5V regardless of VCC (2.7–3.6V), enabling seamless interfacing between legacy 5V logic and modern 3.3V domains. The A-port integrates series damping resistors to suppress ringing under light loads, while the B-port delivers higher current for driving heavier capacitive loads without speed degradation.
Bus-hold circuitry actively retains the last valid logic state on all A- and B-port inputs during high-impedance conditions, preventing floating nodes and reducing system-level BOM count. Direction control (DIR) and active-low output enable (OE) allow flexible configuration-either unidirectional flow per port or full bidirectional 16-bit transfer-with OE overriding DIR to force high-impedance on both sides.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2.7V to 3.6V - supports wide supply margin for industrial power rail variation |
| I/O Voltage Tolerance | 0V to 5.5V - enables direct connection to 5V peripherals without level-shifting components |
| B-Port Output Drive | ±24mA - drives moderate-to-heavy capacitive loads (e.g., 50pF+ traces or multiple inputs) at full speed |
| A-Port Output Drive | ±12mA with integrated series resistance - reduces overshoot/ringing on lightly loaded buses |
| Propagation Delay (tPLH/tPHL) | 1.0–4.8ns @ VCC=3.3V - ensures sub-5ns timing for high-throughput asynchronous bus transfers |
| Output Skew (tSK(o)) | ≤500ps - maintains tight signal alignment across all 16 outputs for synchronous sampling |
| Bus-Hold Current | ±75μA @ VCC=3V - sustains input state against noise up to ±75μA injection without external biasing |
Pinout & Package
TSSOP-48 package (7.0mm × 12.5mm, 0.5mm pitch), lead-free and RoHS-compliant. Pin numbering follows standard TSSOP top-view convention with pin 1 marked by dot or bevel.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1DIR, 2DIR | Direction Control Input (Active HIGH) | Controls data flow direction per 8-bit section: HIGH = A→B, LOW = B→A |
| 1OE, 2OE | Output Enable Input (Active LOW) | Disables both ports to high-impedance when HIGH; overrides DIR when asserted |
| 1A1–1A8, 2A1–2A8 | Side-A I/O with Bus-Hold | 8-bit port with integrated bus-hold; tolerates 5V inputs while powered from 3.3V |
| 1B1–1B8, 2B1–2B8 | Side-B I/O with High-Drive | 8-bit port delivering ±24mA; optimized for driving terminated lines or fan-out loads |
| VCC (Pins 4, 20, 36, 48) | Power Supply | Single 3.3V supply; four dedicated pins reduce IR drop and improve noise immunity |
| GND (Pins 3, 19, 35, 47) | Ground Reference | Four ground pins provide low-inductance return paths for switching currents |
Key Features
| Feature | Design Value |
|---|---|
| 5V-Tolerant I/O Architecture | Allows direct interface to 5V logic without external translators or voltage dividers in mixed-supply systems |
| Asymmetric Output Drive Strength | B-port ±24mA handles heavy loads; A-port ±12mA + series resistance minimizes EMI on lightly loaded stubs |
| Integrated Bus-Hold Circuitry | Eliminates need for external pull-up/down resistors on all I/O pins, reducing board space and BOM cost |
| Low Static Power Consumption | Typical ICC = 0.4μW - enables use in power-sensitive industrial controllers and remote sensors |
| Industrial Temperature Range | Specified from –40°C to +85°C - qualified for deployment in harsh environments including factory automation and telecom infrastructure |
Applications
| Telecom Backplane Interface | Mixed-Voltage Microcontroller Expansion |
|---|---|
Use Scenario: Interfacing 5V legacy line cards with 3.3V packet processing modules in carrier-grade switches. IC Role / Device Role / Timing Role: Bidirectional voltage-translating bus transceiver managing data flow between mismatched supply domains. Use Value: Eliminates discrete level shifters while maintaining <5ns propagation delay and <500ps skew across 16 data lines. |
Use Scenario: Expanding GPIO count of an ARM Cortex-M4 MCU (3.3V I/O) to drive 5V industrial sensors and actuators. IC Role / Device Role / Timing Role: Level-translating I/O expander with bus-hold preserving sensor state during MCU reset or sleep modes. Use Value: Prevents floating inputs during power transitions and supports hot-plug detection without external biasing networks. |
| Industrial PLC I/O Module | Test Equipment Signal Routing |
Use Scenario: Isolating and translating control signals between 3.3V FPGA-based logic and 5V relay driver stages in programmable logic controllers. IC Role / Device Role / Timing Role: Robust, latch-up immune transceiver providing fault-tolerant bidirectional communication across isolation barriers. Use Value: Withstands >2000V HBM ESD and operates reliably over –40°C to +85°C ambient, meeting IEC 61000-4-2 requirements. |
Use Scenario: Reconfigurable signal path routing in automated test equipment where DUT interfaces vary between 3.3V and 5V logic families. IC Role / Device Role / Timing Role: Programmable bus switch enabling dynamic reassignment of stimulus/response channels across voltage domains. Use Value: Single-component solution replaces multiple discrete translators, reducing layout complexity and improving channel-to-channel timing correlation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bus transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC162245ADGGR | TI part with identical pinout and function but no bus-hold; requires external pull resistors on unused inputs | Lacks integrated bus-hold - increases BOM count and PCB area in systems with unterminated stubs | Select when cost sensitivity outweighs design simplicity and bus-hold is managed externally |
| 74ALVC162245PW | Nexperia part offers same 5V tolerance and drive strength but uses different TSSOP-48 footprint (slightly wider body) | Requires minor PCB layout revision due to 0.65mm vs. 0.5mm pitch compatibility check | Select when sourcing diversification is prioritized and mechanical fit is verified |
Compared with SN74LVC162245ADGGR and 74ALVC162245PW, the IDT74LVCH162245APVG uniquely integrates bus-hold without footprint penalty and guarantees 0.5mm-pitch TSSOP compatibility-reducing design risk in high-reliability industrial deployments where input stability and layout reuse are critical.
Availability
IDT74LVCH162245APVG is available at Aetrix Electronics and suitable for industrial automation, telecom infrastructure, and test equipment requiring stable component supply, long-term lifecycle support, and guaranteed RoHS-compliant sourcing.
Supply support for IDT74LVCH162245APVG 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, and enterprise applications.
IDT74LVCH162245APVG belongs to Renesas' legacy IDT logic portfolio, engineered specifically for robust voltage translation and noise-immune bus interfacing in mixed-supply industrial systems.
FAQ
What is the maximum operating voltage on the I/O pins of the IDT74LVCH162245APVG?
The IDT74LVCH162245APVG supports I/O voltages from –0.5V to +6.5V relative to GND, with functional operation guaranteed from 0V to 5.5V. This allows safe interfacing with 5V TTL and CMOS logic while powered from a 3.3V supply-no external clamping diodes or level shifters required. The absolute maximum rating of +6.5V provides margin against transient overvoltage events.
Does the IDT74LVCH162245APVG require external pull-up or pull-down resistors on its inputs?
No. The IDT74LVCH162245APVG incorporates bus-hold circuitry on all A- and B-port inputs, which actively retains the last valid logic state when inputs float. This eliminates the need for external pull resistors in most configurations-reducing BOM cost, PCB area, and potential noise coupling. Bus-hold sustain current is ±75μA at VCC = 3V, sufficient to maintain state against typical board leakage.
How does the asymmetric drive strength between A-port and B-port benefit system design?
The IDT74LVCH162245APVG assigns ±12mA drive with integrated series resistance to the A-port and ±24mA drive without added resistance to the B-port. This asymmetry allows designers to route noise-sensitive, lightly loaded signals (e.g., control lines) through the A-port to minimize ringing, while using the B-port for high-capacitance data paths (e.g., memory or peripheral buses) where stronger drive maintains edge integrity-optimizing signal quality per signal type.
Can the IDT74LVCH162245APVG operate with a 2.5V supply?
No. The IDT74LVCH162245APVG is specified for VCC = 2.7V to 3.6V only. While some DC parameters may function at 2.5V, timing performance-including propagation delay and output skew-is not guaranteed outside the rated range. For 2.5V systems, consider the pin-compatible IDT74LVC162245A variant, which supports 2.3V–3.6V operation but lacks bus-hold.
What is the thermal performance of the IDT74LVCH162245APVG in continuous operation?
The IDT74LVCH162245APVG is rated for operation from –40°C to +85°C ambient, with storage temperature up to +150°C. Its CMOS process yields low static current (≤10μA typical), minimizing self-heating. Under worst-case switching (all 16 bits toggling at 10MHz into 50pF), power dissipation remains below 15mW-well within TSSOP-48 thermal limits even in sealed enclosures without forced airflow.
IDT74LVCH162245APVG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- 74LVCH
- Package/Case:
- 48-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:
- 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-SSOP
IDT74LVCH162245APVG FAQ
1.How can I place an order for IDT74LVCH162245APVG through Aetrix?
Please submit a Request for Quotation (RFQ) for IDT74LVCH162245APVG 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 IDT74LVCH162245APVG reliable?
The price and inventory of IDT74LVCH162245APVG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IDT74LVCH162245APVG is usually 5 days.
3.What payment methods are accepted for IDT74LVCH162245APVG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IDT74LVCH162245APVG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IDT74LVCH162245APVG?
IDT74LVCH162245APVG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IDT74LVCH162245APVG 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 IDT74LVCH162245APVG?
For technical support, including IDT74LVCH162245APVG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IDT74LVCH162245APVG requirements.
6.How does Aetrix verify that IDT74LVCH162245APVG is sourced from the original manufacturer or authorized distributors?
All IDT74LVCH162245APVG 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 IDT74LVCH162245APVG meets industry standards.
7.What is the process for return or replacement of IDT74LVCH162245APVG?
All IDT74LVCH162245APVG units undergo pre-shipment inspection (PSI). If there is an issue with IDT74LVCH162245APVG, 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 IDT74LVCH162245APVG part is unused and in its original packaging.
Return procedure for IDT74LVCH162245APVG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
IDT74LVCH162245APVG Tags
-
SN74LVC1G17DBVR
Texas Instruments
-
SN74LVC1G07DCKR
Texas Instruments
-
SN74LVC1G17DCKR
Texas Instruments
-
SN74LVC1G07DBVR
Texas Instruments
-
SN74LVC1G125DCKR
Texas Instruments
-
SN74AHCT1G126DBVR
Texas Instruments
-
SN74LVC1G125DBVR
Texas Instruments
-
SN74AHCT1G125DBVR
Texas Instruments
-
SN74LVC2G17DBVR
Texas Instruments
-
SN74LVC2G07DCKR
Texas Instruments
-
SN74LVC1G34DCKR
Texas Instruments
-
SN74LVC2G17DCKR
Texas Instruments
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
