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Renesas 74ALVC164245PVG8
- Part No.:
- 74ALVC164245PVG8
- Manufacturer:
- Renesas
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
74ALVC164245PVG8.pdf
- Description:
- IC TRANSLTR BIDIRECTIONAL 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:706
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Product details
Overview
74ALVC164245PVG8 from Renesas Electronics (formerly IDT) is a 16-bit bidirectional 3.3V-to-5V level-shifting transceiver with 3-state outputs, dual-supply operation (VCCA = 2.7–3.6V, VCCB = 4.5–5.5V), ±24mA drive strength per output, and industrial temperature range (–40°C to +85°C). It enables asynchronous data translation between mixed-voltage buses in PCI interface systems.
For engineers reviewing the 74ALVC164245PVG8 datasheet, 74ALVC164245PVG8 pinout, 74ALVC164245PVG8 application, or 74ALVC164245PVG8 equivalent, key selection criteria include bidirectional voltage translation capability, 3-state control timing (tPZH ≤ 9.3 ns), rail-to-rail output swing, ESD robustness (>2000V HBM), and SSOP-48 package compatibility with legacy 5V/3.3V board designs.
Technical Context
The 74ALVC164245PVG8 implements two independent 8-bit bidirectional data paths, each controlled by separate DIR and OE inputs referenced to VCCA. Its dual-rail architecture isolates A-port (3.3V domain) and B-port (5V domain) logic levels while maintaining signal integrity across voltage domains.
It uses advanced 0.5 µm CMOS technology to achieve low static power (0.4 µW typ.), high-speed propagation (tPLH ≤ 5.9 ns at VCCA = 2.7V), and tight output skew (tSK(o) < 250 ps). All control inputs (DIR, OE) are powered from VCCA, ensuring reliable interface with 3.3V controllers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCCA Range | 2.7V to 3.6V - powers A-port I/O and all control inputs (DIR, OE), enabling direct connection to 3.3V microcontrollers. |
| VCCB Range | 4.5V to 5.5V - powers B-port I/O, supporting interoperability with legacy 5V TTL/CMOS logic and PCI bus structures. |
| Drive Strength | ±24mA per output - sustains signal integrity under moderate-to-heavy capacitive loads (e.g., >30 pF traces or multiple receivers) without speed degradation. |
| Propagation Delay | tPLH ≤ 5.9 ns (A→B, VCCA = 2.7V) - supports >100 MHz data rates in point-to-point or lightly loaded bus configurations. |
| Output Skew | < 250 ps - ensures deterministic timing alignment across all 16 outputs, critical for synchronous parallel bus handshaking. |
| ESD Rating | >2000V HBM - provides robust handling during PCB assembly and field service in industrial environments. |
| Operating Temp | –40°C to +85°C - qualified for deployment in industrial automation, telecom infrastructure, and embedded control systems. |
Pinout & Package
74ALVC164245PVG8 is housed in a 48-pin Shrink Small Outline Package (SSOP), 0.635 mm pitch, body width 7.5 mm, JEDEC MO-153 compliant. Pin numbering follows standard SSOP top-view convention with index mark at Pin 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1DIR, 2DIR | Direction Control Inputs | Active-HIGH signals determining data flow direction per 8-bit bank (L→H: A→B; H→L: B→A); referenced to VCCA. |
| 1OE, 2OE | Output Enable Inputs | Active-LOW enables/disables 3-state outputs per bank; simultaneous assertion places entire port in high-impedance state. |
| 1A1–1A8, 2A1–2A8 | A-Port I/O Terminals | 3.3V-domain bidirectional data lines; tolerate VCCA ±0.3V supply variation and support rail-to-rail swing. |
| 1B1–1B8, 2B1–2B8 | B-Port I/O Terminals | 5V-domain bidirectional data lines; VIH ≥ 2.0V and VOL ≤ 0.55V at 24mA ensure TTL/CMOS compatibility. |
| VCCA, VCCB | Power Supply Pins | Separate rails decouple noise between voltage domains; require local 0.1 µF bypassing at each VCC pin. |
| GND (Pins 3,4,7,8,11,12,15,16,19,20,23,24,39,40,43,44) | Ground Terminals | 16 dedicated ground pins minimize ground bounce and improve signal integrity in high-speed parallel operation. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional Level Translation | Simultaneous 3.3V↔5V conversion on two independent 8-bit channels, eliminating need for discrete translators or level-shifter ICs per bus segment. |
| Rail-to-Rail Output Swing | VOH ≥ VCC – 0.2V (A-port) and VOH ≥ 3.7V (B-port @ 24mA) maximizes noise margin in electrically noisy industrial enclosures. |
| Low Static Power | ICCL ≤ 40 µA (VCCA = 3.6V) and ICCZ ≤ 750 µA enable use in always-on subsystems without thermal derating. |
| High-Speed Timing Control | tPZH ≤ 9.3 ns and tPHZ ≤ 9.2 ns (B-port) allow clean enable/disable sequencing in burst-mode memory or FIFO interfaces. |
| Robust Input Hysteresis | VH = 100 mV (both ports) suppresses false triggering from slow-rising or noisy control signals in long-trace industrial backplanes. |
Applications
| PCI Interface Bridge | Legacy Telecom Backplane |
|---|---|
Use Scenario: Connecting a 3.3V PCI Express controller to a legacy 5V PCI slot in industrial PC chassis. IC Role / Device Role / Timing Role: Bidirectional voltage translator managing address/data/control lines between mismatched voltage domains with precise 3-state timing. Use Value: Eliminates need for discrete resistor networks or multiple single-bit translators, reducing BOM count and layout area while maintaining PCI timing compliance. | Use Scenario: Upgrading line cards in telecom switching equipment where new 3.3V ASICs must interoperate with existing 5V backplane infrastructure. IC Role / Device Role / Timing Role: Voltage-level agnostic transceiver enabling hot-swap-compatible communication across generations of hardware without modifying backplane wiring. Use Value: Supports full 16-bit parallel data transfer at >50 MHz with sub-nanosecond skew, preserving legacy throughput while enabling lower-power silicon integration. |
| Industrial I/O Module | Automated Test Equipment (ATE) |
Use Scenario: Isolating digital I/O signals between a 3.3V FPGA-based controller and 5V industrial sensors/actuators in PLC modules. IC Role / Device Role / Timing Role: Fault-tolerant level shifter with ±24mA drive strength driving long cables and optocoupler inputs without external buffers. Use Value: Delivers rail-to-rail swing and >2000V HBM ESD protection, ensuring reliability in electrically harsh factory-floor environments. | Use Scenario: Interfacing high-speed pattern generators (5V) with 3.3V DUTs in semiconductor test handlers requiring precise timing and minimal skew. IC Role / Device Role / Timing Role: Low-skew (<250 ps), fast-enable transceiver synchronizing parallel test vectors across voltage domains with deterministic setup/hold margins. Use Value: Enables sub-10 ns edge alignment across all 16 bits, critical for high-fidelity functional testing of memory and logic devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar level-shifting transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74AVC164245DGGR | TI part in TSSOP-48; VCCA = 1.2–3.6V, VCCB = 1.2–3.6V - supports dual 1.8V/3.3V translation, not 3.3V/5V. | Limited to sub-3.6V systems; cannot interface to 5V buses or legacy PCI. | Select only when both sides operate ≤3.6V; requires redesign if 5V interface is needed. |
| 74LVC4245APW,118 | Nexperia part in TSSOP-48; VCCA = 1.2–3.6V, VCCB = 1.2–3.6V - identical voltage range limitation; no 5V tolerance. | Not rated for 5V B-port operation; lacks 5V input thresholds and 24mA drive into 5V loads. | Use only in fully 3.3V or mixed 1.8V/3.3V systems; unsuitable for 5V legacy integration. |
Compared with SN74AVC164245DGGR and 74LVC4245APW,118, the 74ALVC164245PVG8 uniquely supports true 3.3V-to-5V bidirectional translation with 5V-tolerant B-port inputs, ±24mA drive, and industrial temperature rating - making it the only viable option for upgrading legacy 5V infrastructure with modern 3.3V controllers.
Availability
74ALVC164245PVG8 is available at Aetrix Electronics and suitable for industrial I/O modules, telecom backplane upgrades, PCI interface bridges, and automated test equipment requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for 74ALVC164245PVG8 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 trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications, formed through the acquisition of Integrated Device Technology (IDT) in 2019.
The 74ALVC164245PVG8 belongs to Renesas' legacy IDT ALVC logic family, engineered specifically for voltage-domain bridging in mixed-signal industrial and communications systems where reliability, timing precision, and 5V interoperability remain essential.
FAQ
What voltage levels does the 74ALVC164245PVG8 support on its A-port and B-port?
The 74ALVC164245PVG8 supports VCCA = 2.7V to 3.6V on its A-port (including DIR and OE inputs), and VCCB = 4.5V to 5.5V on its B-port. This allows robust 3.3V-to-5V bidirectional level translation. The device is not rated for operation outside these ranges, and applying 5V to A-port pins or <4.5V to VCCB violates absolute maximum ratings and may cause malfunction or damage to the 74ALVC164245PVG8.
Can the 74ALVC164245PVG8 be used for unidirectional level shifting only?
Yes, the 74ALVC164245PVG8 supports unidirectional operation: tie one DIR input LOW to fix A→B flow, or HIGH for B→A flow, while using OE to enable/disable outputs. Each 8-bit bank operates independently, allowing mixed-direction configurations. This flexibility makes the 74ALVC164245PVG8 suitable for asymmetric system architectures where only one direction is active per channel.
What is the maximum capacitive load the 74ALVC164245PVG8 can drive while maintaining specified timing?
The 74ALVC164245PVG8 is characterized with CL = 50 pF in timing tests, and its ±24mA drive strength supports heavier loads - up to ~70 pF with <10% timing degradation - when VCC and trace impedance are optimized. Exceeding this requires careful signal integrity analysis; the 74ALVC164245PVG8 datasheet specifies tPLH/tPHL only up to 50 pF, so design margins should be verified empirically for loads beyond that.
Does the 74ALVC164245PVG8 require external pull-up or pull-down resistors on control inputs?
No, the 74ALVC164245PVG8 has no internal weak pull-ups or pull-downs on DIR or OE inputs; these are standard CMOS inputs with IIH/IIL ≤ ±5 µA. External biasing is required only if floating states must be avoided - for example, tying OE to GND via 10 kΩ for default-enabled operation. Leaving DIR or OE unconnected risks metastability and undefined output states in the 74ALVC164245PVG8.
Is the 74ALVC164245PVG8 pin-compatible with other ALVC164245 variants like the PAG8 package?
Yes, the 74ALVC164245PVG8 is functionally and pinout-identical to other ALVC164245 variants including 74ALVC164245PAG8; both use the same 48-pin SSOP/TSSOP footprint and identical pin mapping. The only difference is package type (SSOP vs. TSSOP) and associated mechanical dimensions - PCB land patterns are not interchangeable, but logic design and schematic symbols for the 74ALVC164245PVG8 apply directly to all variants.
74ALVC164245PVG8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- 74ALVC
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Translator Type:
- Voltage Level
- Channel Type:
- Bidirectional
- Number of Circuits:
- 2
- Channels per Circuit:
- 8
- Voltage - VCCA:
- 2.7 V ~ 3.6 V
- Voltage - VCCB:
- 4.5 V ~ 5.5 V
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- Tri-State, Non-Inverted
- Data Rate:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-BSSOP (0.295", 7.50mm Width)
74ALVC164245PVG8 FAQ
1.How can I place an order for 74ALVC164245PVG8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ALVC164245PVG8 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 74ALVC164245PVG8 reliable?
The price and inventory of 74ALVC164245PVG8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ALVC164245PVG8 is usually 5 days.
3.What payment methods are accepted for 74ALVC164245PVG8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ALVC164245PVG8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ALVC164245PVG8?
74ALVC164245PVG8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ALVC164245PVG8 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 74ALVC164245PVG8?
For technical support, including 74ALVC164245PVG8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ALVC164245PVG8 requirements.
6.How does Aetrix verify that 74ALVC164245PVG8 is sourced from the original manufacturer or authorized distributors?
All 74ALVC164245PVG8 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 74ALVC164245PVG8 meets industry standards.
7.What is the process for return or replacement of 74ALVC164245PVG8?
All 74ALVC164245PVG8 units undergo pre-shipment inspection (PSI). If there is an issue with 74ALVC164245PVG8, 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 74ALVC164245PVG8 part is unused and in its original packaging.
Return procedure for 74ALVC164245PVG8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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