Introduction and Application Analysis of CLVC1G125QDBVRQ1 Single-Channel Tri-State Buffer Chip
Product Overview
CLVC1G125QDBVRQ1 is an automotive-grade single-channel three-state non-reverse buffer that complies with the EC-Q100 standard launched by Texas Instruments (TI) and belongs to TI's LVC series logic devices. This device is suitable for scenarios that require level isolation, bus drive and signal control, and is widely used in the fields of automobiles, communications, consumer electronics, etc. This model features extremely low static power consumption, high output driving capability, and a wide operating voltage range (1.65V to 5.5V), compatible with various system logic levels.
Overview of Core Parameters
Parameter name specification
Model: CLVC1G125QDBVRQ1
Functional non-reverse tri-state buffer (with OE)
The power supply voltage range is 1.65V - 5.5V
Logic level TTL is compatible with CMOS
Output current capacity: ±32 mA (@4.5V)
Propagation delay: 1.7 ns (typical value @ 3.3V)
The maximum input static current is 10 μA
Control pin OE (Output enable, low level effective)
Encapsulate SOT-23-5 (TI code DBV)
Operating temperature range: -40°C to +125°C (Grade 1)
1 /OE output enable (low efficiency) 2 A input signal 3 GND ground 4 Y Output 5 VCC power input 🧠 When /OE is at a high level, output Y is in the high impedance state; When /OE is at A low level, output Y = A.
Product Features
✅ Complies with EC-Q100 certification: meets automotive electronic design requirements
⚡ High speed transmission capability: Propagation delay as low as 1.7ns, suitable for high-speed communication signals
🔋 Ultra-low power: Low quiescent current, suitable for portable or battery-powered devices
🔌 Three-state output function: can be used for bus sharing, signal isolation
🧩 Compatible with TTL/CMOS inputs: Enhanced versatility and design flexibility
🧱 STRONG antistatic ability: with ±2000V ESD protection capability
Typical applications
Application field Application description
🚗 Automotive electronic INFOtainment system, camera module, bus isolation
🏭 Industrial control multi-bus signal switching, remote I/O systems
📱 IO isolation in consumer electronics smartphones, tablets and charging systems
⚙️ Power system start control signal, level isolation circuit
Recommendation of equivalent and alternative models
Alternative model manufacturer's description
SN74LVC1G125DBVR TI commercial-grade version, with the same functions The 74LVC1G125GW Nexperia function is compatible, but the operating voltage range is slightly different TC7SZ125FU Toshiba compact package, suitable for small devices The MC74VHC1G125DFT1G onsemi is a faster variant and can be applied to higher-frequency applications
Simple circuit diagram (Logic block diagram)
VCC | | ..... | | Pull-up '-' | A ───▶──┬─────────────▶ Y │ ┌ ─ ─ ─ ─ ─ ─ ┐ │ BUF │ └ ─ ─ ─ ─ ─ ─ ┘ Bring about /OE (Low Effective Control Output)
Summary
The CLVC1G125QDBVRQ1 is a highly reliable automotive-grade three-state buffer, featuring low power consumption, high speed and wide voltage compatibility. Its small SOT-23 package makes it highly suitable for logic driving and signal isolation scenarios in compact Spaces, especially in automotive and industrial equipment that require electrical stability and environmental adaptability.
