STMicroelectronics M74HC00M1R

Overview

M74HC00M1R from STMicroelectronics is a high-speed CMOS quad 2-input NAND gate in SO-14 package, operating from 2V to 6V supply, with typical propagation delay of 8ns at 6V, symmetrical output drive (±4mA), and input noise immunity ≥28% VCC. It serves as a fundamental combinational logic element in digital control sequencers, interface level-shifting circuits, and clock gating networks.

For engineers reviewing the M74HC00M1R datasheet, M74HC00M1R pinout, M74HC00M1R application, or M74HC00M1R equivalent, key selection criteria include guaranteed 4mA output drive at 4.5V/6V, wide temperature range (–55°C to +125°C), low quiescent current (1µA max), and strict IEC-compliant logic thresholds for robust noise margin in mixed-voltage systems.

Technical Context

The M74HC00M1R implements four independent NAND gates using silicon-gate C2MOS technology, with three-stage buffered outputs to ensure stable switching and high noise immunity. Each gate features diode-protected inputs and rail-to-rail output swing under specified load conditions.

It operates across industrial and extended temperature ranges (–55°C to +125°C) with fully specified DC and AC parameters at 2V, 4.5V, and 6V supply voltages. Propagation delays are balanced (tPLH ≅ tPHL), and transition times remain consistent across voltage and temperature extremes.

Key Specifications

Pinout & Package

Package: SO-14 (Small Outline, 150 mil width), JEDEC MS-012AC compliant, surface-mountable with 1.27 mm pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad 2-input NAND gate applications.

Compared with SN74HC00DR and 74VHC00M, the M74HC00M1R offers the lowest quiescent current and widest temperature range among standard HC-family equivalents, making it optimal for extended-life industrial and aerospace applications where power and reliability outweigh raw speed.

Availability

M74HC00M1R is available at Aetrix Electronics and suitable for industrial control logic, automotive body controllers, medical instrument timing, and consumer audio power sequencing requiring stable component supply across long-lifecycle programs.

Supply support for M74HC00M1R 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and discrete components for industrial, automotive, and consumer markets.

The M74HC00M1R belongs to ST's legacy high-speed CMOS logic family, engineered for pin- and function-compatible replacement of 74-series TTL devices while delivering superior power efficiency and noise resilience in harsh environments.

FAQ

Is M74HC00M1R compatible with 5V TTL inputs?

Yes. The M74HC00M1R accepts TTL-level inputs (VIH ≥ 2.0V, VIL ≤ 0.8V) across its full 2V–6V supply range. At VCC = 5V, VIH(min) = 3.15V and VIL(max) = 1.35V, providing 1.15V noise margin above TTL VOH and 0.55V below TTL VOL - sufficient for direct interfacing without pull-ups or level shifters.

What is the maximum capacitive load this device can drive reliably?

The M74HC00M1R is characterized for CL = 50 pF in AC specifications, with guaranteed tPLH/tPHL up to that load. For loads exceeding 50 pF, propagation delay increases linearly (~1 ns per 10 pF), and output transition time degrades. Driving >100 pF requires buffering or reducing trace length to maintain signal integrity in high-speed designs.

Does M74HC00M1R support 1.8V operation?

No. The absolute minimum recommended VCC is 2.0V per STMicroelectronics' datasheet. At 1.8V, the device may fail to meet VIH/VIL thresholds, exhibit excessive propagation delay (>100ns), or become non-functional due to insufficient internal biasing. For 1.8V logic, consider ST's 74LVC00 or 74AUP00 families instead.

Can M74HC00M1R be used in analog switch applications?

No. The M74HC00M1R is a digital logic gate only, not designed for analog signal routing. Its output structure lacks the low-on-resistance and bidirectional conduction required for analog switches. Using it as a pass gate risks signal distortion, shoot-through current, and undefined states outside valid logic thresholds.