Texas Instruments 2N7001TQDCKRQ1

Overview

2N7001TQDCKRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified single-bit dual-supply buffered voltage signal converter for unidirectional level translation between 1.65 V and 3.6 V rails. It supports up/down translation (e.g., 1.8 V ↔ 3.3 V), delivers ≤14 µA combined supply current at 125°C, enables up to 100 Mbps data rates, and features VCC isolation and Ioff partial-power-down capability - deployed in MCU-to-processor GPIO translation and error-signal up-translation in automotive ECUs.

For engineers reviewing the 2N7001TQDCKRQ1 datasheet, 2N7001TQDCKRQ1 pinout, 2N7001TQDCKRQ1 application, or 2N7001TQDCKRQ1 equivalent, key selection criteria include dual-rail supply flexibility (VCCA/VCCB = 1.65–3.6 V), guaranteed high-impedance output during VCC fault (<100 mV), sub-20 ns propagation delay across voltage combinations, and automotive-grade thermal reliability (–40°C to +125°C).

Technical Context

The 2N7001TQDCKRQ1 implements a CMOS push-pull buffer architecture with independent input (A, referenced to VCCA) and output (B, referenced to VCCB) supply domains. Its logic-level translation relies on standard CMOS input thresholds scaled by VCCA and rail-referenced output drive defined by VCCB - enabling interoperability across 1.8 V, 2.5 V, and 3.3 V system nodes without external biasing.

VCC isolation and Ioff circuitry enforce fail-safe behavior: if either VCCA or VCCB drops below 100 mV, the B output enters high-impedance state; when either supply is at 0 V, leakage into/out of A or B pins is limited to ±8 µA. This supports hot-plug and partial-power-down modes in safety-critical automotive subsystems.

Key Specifications

Pinout & Package

2N7001TQDCKRQ1 uses the SC70-5 (DCK) package: 2.00 mm × 1.25 mm body, 0.65 mm lead pitch, 1.1 mm max height. Pin 1 (A) is marked by index area; pinout follows JEDEC MO-203 standard.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar voltage translation applications.

Compared with SN74AVC1T45QDCKRQ1 and TXS0101QPWRQ1, the 2N7001TQDCKRQ1 offers superior power efficiency (14 µA vs. 24/30 µA), guaranteed VCC isolation for functional safety, and optimized propagation delay for 100 Mbps GPIO links - making it the optimal choice for automotive error signaling and fixed-direction MCU interface translation.

Availability

2N7001TQDCKRQ1 is available at Aetrix Electronics and suitable for automotive ECU design, ADAS sensor interfacing, and infotainment system GPIO translation requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.

Supply support for 2N7001TQDCKRQ1 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 deep automotive qualification expertise and broad manufacturing scale.

The 2N7001TQDCKRQ1 belongs to TI's automotive-qualified level translation portfolio, designed specifically to replace discrete FET translators in safety-critical vehicle subsystems while meeting stringent AEC-Q100 Grade 1 thermal and reliability requirements.

FAQ

What is the maximum data rate supported by the 2N7001TQDCKRQ1?

The 2N7001TQDCKRQ1 supports up to 100 Mbps across its full 1.65 V to 3.6 V supply range, verified under recommended operating conditions with 15 pF load and 2 kΩ termination. Propagation delay ranges from 0.5 ns (min) to 20 ns (max), depending on VCCA/VCCB combination and temperature - ensuring reliable timing in high-speed automotive GPIO and status flag applications.

Does the 2N7001TQDCKRQ1 support bidirectional signal translation?

No, the 2N7001TQDCKRQ1 is strictly unidirectional: signal flows from A (input, referenced to VCCA) to B (output, referenced to VCCB). It lacks a direction-control pin or auto-sensing circuitry. For bidirectional translation, TI recommends alternatives such as SN74AVC1T45QDCKRQ1 - but those require additional control logic and consume more quiescent current than the 2N7001TQDCKRQ1.

How does the VCC isolation feature work in the 2N7001TQDCKRQ1?

The VCC isolation feature in the 2N7001TQDCKRQ1 monitors both VCCA and VCCB; if either supply drops below 100 mV, the B output automatically enters a high-impedance state regardless of A input state. This prevents invalid logic levels from propagating during power sequencing faults or brownouts - a critical safety mechanism in automotive systems where supply stability cannot be assumed.

Can the 2N7001TQDCKRQ1 operate with VCCA = 1.65 V and VCCB = 3.3 V simultaneously?

Yes, the 2N7001TQDCKRQ1 is fully specified for mixed-supply operation including VCCA = 1.65 V and VCCB = 3.3 V. In this configuration, the A input recognizes VIH ≥ 1.07 V and VIL ≤ 0.58 V, while the B output drives VOH ≥ 3.2 V and VOL ≤ 0.1 V (at 100 µA load), enabling robust 1.65 V → 3.3 V up-translation in automotive sensor interface designs.

Is the 2N7001TQDCKRQ1 pin-compatible with the catalog version 2N7001T?

Yes, the 2N7001TQDCKRQ1 shares identical SC70-5 (DCK) package dimensions, pinout, and electrical specifications with the non-automotive 2N7001T, except for AEC-Q100 qualification, extended temperature grading (–40°C to +125°C), and enhanced ESD/latch-up testing. Both parts use the same footprint and can be substituted in hardware - though automotive applications require the Q1 variant for compliance.