Texas Instruments CLVC1G125MDCKREPG4

Overview

CLVC1G125MDCKREPG4 from Texas Instruments is a single 3-state bus buffer gate designed for voltage-level translation and bidirectional bus isolation in low-power digital systems. It operates from 1.65 V to 5.5 V, delivers ±24 mA output drive at 3.3 V, achieves 3.7 ns max propagation delay, and supports Ioff partial-power-down protection. It is used in portable instrumentation, industrial control backplanes, and FPGA I/O expansion interfaces.

For engineers reviewing the CLVC1G125MDCKREPG4 datasheet, CLVC1G125MDCKREPG4 pinout, CLVC1G125MDCKREPG4 application, or CLVC1G125MDCKREPG4 equivalent, key selection considerations include its SC-70 (DCK) 5-pin package, guaranteed operation from –55°C to 125°C, 5.5-V tolerant inputs, and compatibility with mixed-voltage logic domains requiring high-impedance bus control.

Technical Context

This device implements a noninverting buffer with active-low 3-state enable logic: output Y follows input A when OE is low, and enters high-impedance state when OE is high. Its Ioff circuitry blocks current flow between powered and unpowered sections, enabling safe hot-insertion and partial power-down in multi-rail systems.

The CLVC1G125MDCKREPG4 uses LVC CMOS technology with rail-to-rail input tolerance (–0.5 V to 6.5 V), supports 5-V VCC operation, and maintains specified timing across –55°C to 125°C. Its 4 pF typical input capacitance and 10 µA max ICC ensure minimal loading and ultra-low static power consumption.

Key Specifications

Pinout & Package

CLVC1G125MDCKREPG4 is housed in a 5-pin SC-70 (DCK) package measuring 2.0 mm × 1.25 mm × 0.9 mm (max height), with gull-wing leads and RoHS-compliant NiPdAu plating. The package is moisture-sensitivity Level-1 rated for unlimited floor life at ≤30°C/60% RH.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar bus buffer applications.

Compared with SN74LVC1G125DBVR and 74LVC1G125GW,125, the CLVC1G125MDCKREPG4 uniquely provides guaranteed operation down to –55°C and up to 125°C, making it the only option qualified for mission-critical industrial and defense applications requiring full military-grade thermal resilience.

Availability

CLVC1G125MDCKREPG4 is available at Aetrix Electronics and suitable for industrial automation, aerospace avionics, and medical diagnostics requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for CLVC1G125MDCKREPG4 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

Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions with emphasis on reliability, precision, and energy efficiency.

The SN74LVC1G125 family was engineered for space-constrained, mixed-voltage digital systems requiring robust 3-state bus control, low static power, and extended temperature resilience - especially in instrumentation, control, and communications infrastructure.

FAQ

What is the operating temperature range of CLVC1G125MDCKREPG4?

The CLVC1G125MDCKREPG4 is fully specified for operation from –55°C to 125°C. This extended temperature range is validated per JEDEC standards including HAST, temperature cycling, and autoclave testing, making it suitable for aerospace, downhole, and industrial control applications where ambient conditions exceed commercial limits. The CLVC1G125MDCKREPG4 maintains all electrical specifications across this full range.

Does CLVC1G125MDCKREPG4 support 5-V tolerant inputs?

Yes, CLVC1G125MDCKREPG4 accepts input voltages up to 5.5 V regardless of VCC level - including when VCC is as low as 1.65 V. This 5-V tolerant input capability enables direct interfacing with legacy 5 V logic or mixed-supply systems without external level-shifting components, simplifying design and reducing bill-of-materials cost.

What is the maximum propagation delay for CLVC1G125MDCKREPG4?

The maximum propagation delay (tpd) of CLVC1G125MDCKREPG4 is 3.7 ns at VCC = 3.3 V, CL = 15 pF, and TA = 25°C. At –55°C to 125°C and CL = 50 pF, the worst-case tpd remains ≤4.9 ns (VCC = 3.3 V) - ensuring predictable timing margins in high-reliability synchronous bus architectures.

How does the Ioff feature work in CLVC1G125MDCKREPG4?

The Ioff feature in CLVC1G125MDCKREPG4 disables output drivers when VCC = 0 V, limiting off-state current to ±10 µA even with input or output voltages up to 5.5 V. This prevents damaging back-current flow between powered and unpowered sections of a system - critical for hot-plug, partial-power-down, and multi-rail domain isolation scenarios.

Is CLVC1G125MDCKREPG4 pin-compatible with other SC-70 single-buffer variants?

Yes, CLVC1G125MDCKREPG4 shares identical SC-70 (DCK) 5-pin layout and pin functions (OE, A, GND, VCC, Y) with SN74LVC1G125DBVR, SN74LVC1G125DCKR, and 74LVC1G125GW,125. No PCB redesign is needed when substituting within the same package footprint, though thermal, reliability, and qualification differences must be verified per application requirements.