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onsemi MC74VHCT08ADR2
- Part No.:
- MC74VHCT08ADR2
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MC74VHCT08ADR2.pdf
- Description:
- IC GATE AND 4CH 2-INP 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,894
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Product details
Overview
MC74VHCT08ADR2 from onsemi is a quad 2-input AND gate in SOIC-14 package, designed for high-speed TTL-compatible logic interfacing across 2.0 V to 5.5 V supply rails. It delivers 4.3 ns typical propagation delay at 5 V, supports 5.0 V CMOS-level output swings, and tolerates input voltages up to 7.0 V - enabling robust 3.3 V/5.0 V level translation in industrial control and embedded I/O expansion.
For engineers reviewing the MC74VHCT08ADR2 datasheet, pinout, applications, or equivalent options, this page provides verified functional specifications, SOIC-14 terminal mapping, real-world interface use cases, and two validated alternative parts with documented electrical and application differences.
Technical Context
The MC74VHCT08ADR2 implements four independent AND gates using silicon-gate CMOS technology, achieving bipolar-Schottky TTL speed while maintaining CMOS power efficiency. Its three-stage internal architecture includes a buffered output stage that ensures high noise immunity and stable switching behavior under load.
TTL-compatible inputs (VIH = 2.0 V, VIL = 0.8 V at VCC = 5 V) allow direct connection to legacy 5 V logic, while input structures tolerate −0.5 V to 7.0 V regardless of supply voltage - supporting hot-insertion, battery-backup scenarios, and mixed-voltage domain interfacing without external clamping.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay (tPD) | 4.3 ns (typ) at VCC = 5 V, CL = 15 pF - enables sub-200 MHz toggle rates in synchronous logic paths |
| Supply Voltage Range | 2.0 V to 5.5 V - supports operation across 3.3 V and 5 V systems without level shifters |
| Input Voltage Tolerance | −0.5 V to 7.0 V - permits safe interfacing between 3.0 V, 3.3 V, and 5.0 V domains without damage |
| Output Drive Capability | ±8 mA at VCC = 4.5 V - sufficient to drive standard TTL loads or multiple CMOS inputs |
| Quiescent Supply Current | 2.0 µA (max) at TA = 25°C - enables low-static-power operation in always-on monitoring circuits |
| Input Capacitance | 4 pF (typ) - minimizes loading on upstream drivers and preserves signal integrity in high-speed traces |
| ESD Rating | HBM > 2000 V, MM > 200 V - meets industrial handling requirements without additional protection circuitry |
Pinout & Package
MC74VHCT08ADR2 is housed in a 14-lead SOIC package (Case 751A), with 1.27 mm lead pitch and standard JEDEC MS-012 outline. The package is Pb-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 4, 5, 8, 9, 12, 13 | Input A1/B1/A2/B2/A3/B3/A4/B4 | Dedicated AND gate inputs - each pair (e.g., Pin 1 & 2) feeds one gate; no shared logic |
| 3, 6, 10, 11 | Output Y1/Y2/Y3/Y4 | Open-drain–compatible CMOS outputs - full rail-to-rail swing (0 V to VCC) with ±8 mA drive |
| 7 | GND | Ground reference for all logic and power domains - must be low-impedance for noise immunity |
| 14 | VCC | Primary supply rail - decoupling capacitor (0.1 µF) required within 5 mm for stable high-speed operation |
Key Features
| Feature | Design Value |
|---|---|
| TTL-compatible input thresholds | VIH = 2.0 V, VIL = 0.8 V at VCC = 5 V - eliminates need for external translators when driving from 5 V microcontrollers |
| Wide input voltage tolerance | Supports −0.5 V to 7.0 V inputs independent of VCC - enables safe hot-swap and backup-battery operation |
| Power-down input protection | Inputs remain protected even when VCC = 0 V - prevents backfeeding and latch-up during partial power loss |
| Low dynamic noise | VOLP = 0.8 V (max) - reduces crosstalk in dense PCB layouts with adjacent sensitive analog or RF traces |
| Latch-up immunity | Exceeds 300 mA per JEDEC JESD78 - ensures reliability in noisy industrial environments with EFT transients |
Applications
| Industrial PLC I/O Expansion | Automotive Body Control Module |
|---|---|
Use Scenario: Adding discrete logic-based enable gating for sensor input conditioning in modular PLC backplanes. IC Role / Device Role / Timing Role: Quad AND gate performing synchronized signal validation before ADC sampling or relay activation. Use Value: Enables deterministic 4.3 ns propagation timing across four parallel channels while operating reliably at 24 V system-supplied 5 V rails. |
Use Scenario: Interfacing 3.3 V CAN controller GPIOs to 5 V lamp driver ICs in body electronics modules. IC Role / Device Role / Timing Role: Level-translating AND gate ensuring valid logic states during wake-up transitions and sleep-mode isolation. Use Value: Input tolerance up to 7.0 V prevents damage during battery jump-start events; 5.0 V output swing guarantees full logic-high margin for downstream drivers. |
| Medical Equipment Power Sequencing | Test & Measurement Instrumentation |
Use Scenario: Coordinating multi-rail power-up sequences in portable diagnostic devices with isolated subsystems. IC Role / Device Role / Timing Role: Enabling critical subsystems only after both main and auxiliary supplies reach regulation. Use Value: Guaranteed 2.0 V minimum VIH allows clean detection of 3.3 V rail presence using simple resistor dividers, reducing BOM count. |
Use Scenario: Gating clock distribution paths in automated test equipment where multiple instruments share a master timing reference. IC Role / Device Role / Timing Role: Synchronizing enable signals across FPGA, DAC, and ADC clock domains with matched propagation delays. Use Value: Balanced tPLH/tPHL characteristics minimize skew between gated outputs, preserving setup/hold margins in high-resolution data capture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad 2-input AND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC08APWR | Lower VCC range (1.65–3.6 V); 3.3 V only; 3.7 ns tPD at 3.3 V | Not suitable for 5 V systems; requires separate level translation for legacy interfaces | Select when operating exclusively in 3.3 V domains with tighter timing budgets and lower power targets |
| 74HC08D,653 | Wider VCC range (2–6 V); 18 ns tPD at 5 V; higher ICC (40 µA max) | Slower propagation but broader voltage compatibility; less immune to fast transients | Select when cost sensitivity outweighs speed requirements and 5 V-only operation is acceptable |
Compared with SN74LVC08APWR and 74HC08D,653, the MC74VHCT08ADR2 uniquely bridges 3.3 V and 5 V logic domains with TTL-compatible inputs, 4.3 ns speed at 5 V, and robust 7.0 V input tolerance - making it optimal for mixed-voltage industrial and automotive control nodes where reliability and interface flexibility are critical.
Availability
MC74VHCT08ADR2 is available at Aetrix Electronics and suitable for industrial PLC I/O expansion, automotive body control modules, medical power sequencing, test instrumentation, and embedded system enable gating requiring stable component supply and long-term manufacturability.
Supply support for MC74VHCT08ADR2 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
onsemi is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The MC74VHCT08ADR2 belongs to onsemi's VHCT logic family, engineered specifically for high-speed, low-power interfacing between mixed-voltage digital systems - emphasizing robustness, level translation, and industrial-grade reliability.
FAQ
What is the maximum input voltage rating for MC74VHCT08ADR2?
The MC74VHCT08ADR2 supports DC input voltages from −0.5 V to +7.0 V, independent of VCC. This allows safe interfacing with 5.0 V systems even when powered from 3.3 V, and protects against overvoltage events such as hot insertion or battery backup scenarios. The specification is confirmed in the Maximum Ratings table of the official onsemi datasheet (Rev. 10, April 2022).
Does MC74VHCT08ADR2 support 3.3 V operation with TTL-compatible inputs?
Yes, MC74VHCT08ADR2 operates from 2.0 V to 5.5 V and maintains TTL-compatible input thresholds (VIH = 2.0 V, VIL = 0.8 V) across its full supply range. At VCC = 3.3 V, it correctly interprets standard 5 V TTL outputs as valid logic levels - enabling direct connection to legacy controllers without external level shifters.
What is the propagation delay of MC74VHCT08ADR2 at 3.3 V supply?
At VCC = 3.0 V ± 0.3 V and CL = 15 pF, the MC74VHCT08ADR2 exhibits a typical propagation delay of 6.2 ns (tPLH/tPHL). This value is specified in the AC Electrical Characteristics table of the onsemi datasheet and reflects real-world performance under standard test conditions.
Is MC74VHCT08ADR2 pin-compatible with standard 74-series AND gates?
Yes, MC74VHCT08ADR2 is pin- and function-compatible with industry-standard 74LS08, 74HC08, and 74HCT08 devices in SOIC-14 packages. Its pinout matches JEDEC-standard quad 2-input AND gate layout (e.g., Inputs A1/B1 on Pins 1/2, Output Y1 on Pin 3), allowing drop-in replacement in existing designs.
What package type and compliance status does MC74VHCT08ADR2 have?
MC74VHCT08ADR2 is supplied in a Pb-free SOIC-14 package (Case 751A) and is RoHS compliant. The "R2" suffix denotes tape-and-reel packaging (2500 units per reel), and the "G" suffix confirms lead-free finish per JEDEC J-STD-609. These details are specified in the Ordering Information section of the onsemi datasheet.
MC74VHCT08ADR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74VHCT
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- AND Gate
- Number of Circuits:
- 4
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 2 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 7.9ns @ 5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
MC74VHCT08ADR2 FAQ
1.How can I place an order for MC74VHCT08ADR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74VHCT08ADR2 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 MC74VHCT08ADR2 reliable?
The price and inventory of MC74VHCT08ADR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74VHCT08ADR2 is usually 5 days.
3.What payment methods are accepted for MC74VHCT08ADR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74VHCT08ADR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74VHCT08ADR2?
MC74VHCT08ADR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74VHCT08ADR2 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 MC74VHCT08ADR2?
For technical support, including MC74VHCT08ADR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74VHCT08ADR2 requirements.
6.How does Aetrix verify that MC74VHCT08ADR2 is sourced from the original manufacturer or authorized distributors?
All MC74VHCT08ADR2 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 MC74VHCT08ADR2 meets industry standards.
7.What is the process for return or replacement of MC74VHCT08ADR2?
All MC74VHCT08ADR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC74VHCT08ADR2, 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 MC74VHCT08ADR2 part is unused and in its original packaging.
Return procedure for MC74VHCT08ADR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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