Nexperia USA Inc. 74AHC1G4214GWH

Overview

74AHC1G4214GWH from Nexperia is a 14-stage CMOS frequency divider and oscillator IC with overvoltage-tolerant X1 input (up to 5.5 V), 2.0–5.5 V supply range, and Q output dividing X1 frequency by exactly 16384. It operates as either a crystal oscillator (X1–X2 feedback) or external clock buffer, advancing on the negative edge of X1, and supports industrial and automotive-qualified temperature ranges up to +125 °C.

For engineers reviewing the 74AHC1G4214GWH datasheet, 74AHC1G4214GWH pinout, 74AHC1G4214GWH application, or 74AHC1G4214GWH equivalent, key selection criteria include its fixed 14-bit division ratio, overvoltage tolerance enabling mixed-voltage level translation, TSSOP5 package footprint compatibility, and guaranteed timing performance across -40 °C to +125 °C.

Technical Context

The device implements a synchronous 14-stage ripple counter using cascaded D-type flip-flops, where each stage divides by two, yielding a precise 2¹⁴ = 16384 division factor at Q. The X1–X2 inverter pair provides configurable oscillator functionality with external crystal or ceramic resonator support via R_bias and load capacitors.

Its overvoltage-tolerant X1 input accepts signals up to 5.5 V independent of V_CC, enabling direct interfacing with higher-voltage logic families without level shifters. Propagation delay from X1 to Q is specified down to 23 ns (typ.) at V_CC = 5.0 V and C_L = 15 pF, with maximum operating frequency reaching 125 MHz at V_CC = 3.3 V and 100 MHz at V_CC = 5.0 V under full temperature range.

Key Specifications

Pinout & Package

TSSOP5 (SOT353-1) plastic thin shrink small outline package: 5-pin, 1.25 mm body width, 0.65 mm pitch, pin 1 indicator at lower-left corner below marking "C4".

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 14-stage divider and oscillator applications.

Compared with 74LVC1G4214GW and CD4060BM96, the 74AHC1G4214GWH uniquely combines overvoltage tolerance, 125 MHz max input frequency, and AHC-family low-noise switching-making it optimal for modern mixed-voltage embedded timing where precision, speed, and robustness are jointly required.

Availability

74AHC1G4214GWH is available at Aetrix Electronics and suitable for industrial automation timing, automotive body electronics, IoT sensor node sleep clocks, and mixed-voltage interface design requiring stable component supply across extended temperature ranges.

Supply support for 74AHC1G4214GWH 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

Nexperia is a global semiconductor expert focused on high-volume, high-reliability logic, analog, and MOSFET solutions with leadership in efficiency, miniaturization, and quality.

This device belongs to the 74AHC advanced high-speed CMOS logic family, designed specifically for low-power, high-noise-immunity digital timing and signal conditioning in industrial, automotive, and consumer applications.

FAQ

Can the 74AHC1G4214GWH operate without an external crystal?

Yes. When used as a clock buffer, apply an external square-wave clock to X1 and leave X2 floating. The device will divide that input by 16384 at Q. No crystal is needed unless oscillator mode is required. The X1 input is overvoltage tolerant, supporting direct connection to 5 V logic even at 3.3 V V_CC.

What is the minimum recommended load capacitance for stable crystal oscillation?

The datasheet recommends C1 = 22–37 pF and C2 = 100 pF for typical 32.768 kHz crystal operation. Total effective load capacitance seen by the crystal is approximately C1 × C2 / (C1 + C2) + C_stray, where C_stray ≈ 2–5 pF. For 16.384 MHz crystals, reduce C1 to 12–18 pF and verify startup with oscilloscope observation of X2 waveform.

Does the 74AHC1G4214GWH require external pull-up or pull-down resistors on any pins?

No. All inputs and outputs are actively driven CMOS nodes. X2 should be left floating when used as a buffer input-not pulled. GND and V_CC must be decoupled with ≥100 nF ceramic capacitors near the package. No pull resistors are needed for functional operation per the datasheet's recommended circuit configurations.

How does temperature affect the 74AHC1G4214GWH's division accuracy?

Division accuracy is inherently digital and unaffected by temperature-the 14-stage counter is synchronous and deterministic. However, oscillator frequency stability depends on the external crystal's ppm tolerance and temperature coefficient. The IC itself contributes negligible jitter (<100 ps RMS) across -40 °C to +125 °C, preserving timing integrity in precision applications.