74LVC1GU04GW,125 - Single Unbuffered Inverter | Nexperia | 5-TSSOP
部品番号: 74LVC1GU04GW125 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0.36 | $0.36 |
| 10 | $0.3 | $3.00 |
| 100 | $0.21 | $21.00 |
| 500 | $0.15 | $75.00 |
| 1,000 | $0.11 | $110.00 |
74LVC1GU04GW125 概要
An unbuffered inverter is a single-input CMOS logic function that inverts the input logic level at the output without an internal Schmitt-trigger or amplification stage. This places the unbuffered inverter in the digital-logic IC family hierarchy: inverter -> gate -> combinational logic -> logic IC -> integrated circuit -> semiconductor. Unbuffered inverters are preferred over buffered (standard) inverters in oscillator circuits, linear amplifiers, and analog signal paths because the absence of an internal gain stage preserves signal linearity and minimizes additive phase shift.
The 74LVC1GU04GW,125 features a typical quiescent current of 100 µA, ±24 mA output drive capability at 3.3 V, and propagation delay of 1.7 ns typical at 3.3 V VCC with 15 pF load. The wide operating voltage window, schmitt-tolerant inputs, and 5-pin TSSOP footprint make it ideal for portable, IoT, and space-constrained PCB layouts. Nexperia's LVC family is also characterized by low-power operation, making it suitable for battery-powered applications where quiescent current directly affects runtime.
The device architecture uses a single CMOS inverter cell whose output transitions follow the input directly without hysteresis. This raw-inverter topology is essential when the inverter is used as a linear amplifier or in crystal-oscillator feedback loops where the buffered variant's gain stage would distort the waveform. The 5-pin SOT-353 package provides a compact 2.0 mm x 1.25 mm x 1.1 mm outline.
Typical applications include crystal oscillator modules, sine-wave to logic-level converters, level translation in mixed 3.3 V / 5 V systems, and general-purpose logic inversion in portable and IoT devices. The device is also commonly used as a small-signal amplifier in RF detector circuits and as a delay element in digital timing chains.
When designing with this part, note that the input has no Schmitt-trigger hysteresis; therefore, slow or noisy edges may produce multiple output transitions. Place a small series resistor at the input (typically 100 ohm to 1 kohm) when driving from long PCB traces to control edge rate. The 5-TSSOP package has a thermal resistance of approximately 250 C/W, so output current must be limited well below 24 mA continuous in high-ambient-temperature environments.
This page synthesizes Nexperia distributor pricing, real cross-brand drop-in equivalents sourced from the same 5-TSSOP footprint, and practical analog/digital design notes not found in the manufacturer datasheet.
ドロップイン代替品: 74LVC1GU04GW125 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: 74LVC1GU04GW125 （同一形状・フットプリント） — 相違点: Operating Temperature, Package.
クイック比較ツール — 並列比較する代替部品を選択:
74LVC1G04GW,125
✅ ドロップイン📋 参考代替品（カタログ未掲載）
74LVC1GU04GW-Q100H
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
TC7SZ04FE
✅ ドロップイン📋 参考代替品（カタログ未掲載）
NL17SZ04DFT2G
✅ ドロップイン📋 参考代替品（カタログ未掲載）
74LVC1GU04GW125 最大定格＆電気的特性
| Logic Type | Inverter |
| Number of Elements | 1 |
| Number of Inputs per Element | 1 |
| 出力タイプ | Single-Ended (CMOS, unbuffered) |
| Supply Voltage (VCC) | 1.65 V to 5.5 V |
| Input Voltage Tolerance | Up to 5.5 V (drive from 3.3 V or 5 V devices) |
| Quiescent Current (ICC) | 100 µA (max) |
| Output Drive (IOH/IOL) | ±24 mA at 3.3 V |
| Propagation Delay (tpd) | 1.7 ns typ at 3.3 V (15 pF load) |
| Input Type | Standard CMOS (no Schmitt-trigger) |
| 動作温度 | -40 °C to +125 °C |
| パッケージ | 5-TSSOP (SOT-353 / UMT5), 2.0 x 1.25 x 1.1 mm |
| 実装タイプ | Surface Mount |
| MSLレベル | 1 (per Nexperia product page) |
| RoHS ステータス | Compliant |
74LVC1GU04GW125 ピン構成
| ピン 1 | NC — Not connected internally; left floating on PCB (per Nexperia datasheet) |
| ピン 2 | A — Data input (5 V tolerant, no Schmitt-trigger) |
| ピン 3 | GND — Ground (0 V) |
| ピン 4 | Y — Inverted data output |
| ピン 5 | VCC — Supply voltage (1.65 V to 5.5 V) |
主な用途
74LVC1GU04GW125 の用途: 6 件s: Crystal Oscillator Module, 5 V to 3.3 V Logic Level Shifting, Sine-to-Logic Converter (RF Detector), General-Purpose Logic Inversion (Portable / IoT), Delay-Line / Timing Element, Analog Amplifier / Linear Buffer.
Crystal Oscillator Module
The 74LVC1GU04GW,125 is widely used as the active inverting element in fundamental-mode crystal oscillator circuits from 1 MHz to 50 MHz. Its unbuffered single-stage topology provides the analog gain and 180-degree phase shift required for Pierce oscillator feedback loops without the waveform distortion that the buffered 74LVC1G04 would introduce. With 1.7 ns typical propagation delay at 3.3 V and ±24 mA output drive capability, the part delivers clean oscillation start-up and stable amplitude. The 5-TSSOP package measures only 2.0 x 1.25 mm, enabling compact oscillator modules for portable and IoT designs. A typical circuit uses a 10-33 pF load capacitor, a series resistor of 100-470 ohm at the input, and an RF-bias network of 1 Mohm plus 10 pF to set the operating point.
おすすめ
5 V to 3.3 V Logic Level Shifting
The 74LVC1GU04GW,125 serves as a unidirectional 5 V to 3.3 V level shifter when powered from the 3.3 V rail. Per the Nexperia datasheet, the inputs tolerate 5 V drive regardless of VCC, so a 5 V CMOS signal can drive the A input directly while the Y output swings between 0 V and 3.3 V. This eliminates external resistor dividers or dedicated level-shifter ICs in mixed-voltage designs. The unbuffered topology adds only 1.7 ns of delay at 3.3 V, suitable for control and slow-data signals up to several MHz. The 5-TSSOP footprint occupies minimal board area, ideal for portable products with mixed 5 V sensor interfaces and 3.3 V MCUs.
おすすめ
Sine-to-Logic Converter (RF Detector)
The unbuffered topology of the 74LVC1GU04GW,125 makes it a useful small-signal amplifier and threshold detector for converting low-amplitude sine waves (10-100 mV peak) to clean logic-level square waves. The single inverter stage biased into the linear region by a high-value feedback resistor (typically 1-10 Mohm) provides high gain at low frequencies. The device operates from 1.65 V to 5.5 V, allowing the output logic level to be matched directly to downstream counters or MCU inputs. Propagation delay of 1.7 ns at 3.3 V is negligible for sub-10 MHz detector applications. The 5-TSSOP package enables placement close to the antenna or input stage.
おすすめ
General-Purpose Logic Inversion (Portable / IoT)
In portable and battery-powered IoT designs, the 74LVC1GU04GW,125 provides general-purpose signal inversion with only 100 µA quiescent current draw from a 1.65 V to 5.5 V supply. The 5 V tolerant inputs allow direct connection to legacy 5 V sensors or pushbuttons in mixed-voltage systems. The 5-TSSOP (SOT-353) package occupies 2.5 mm² of PCB area, fitting easily alongside MCUs and wireless modules. Unbuffered operation means the output follows the input directly with minimal delay, ideal for low-frequency control signals, reset inversion, and clock gating. The wide operating temperature range of -40 °C to +125 °C supports outdoor and industrial IoT deployments.
おすすめ
Delay-Line / Timing Element
The 74LVC1GU04GW,125 functions as a precise digital delay element by chaining multiple stages or using external RC networks with the unbuffered input. With 1.7 ns typical propagation delay at 3.3 V, multiple inverters in series create controlled sub-nanosecond-to-100 ns delays useful for clock alignment, setup/hold margin tuning, and race-condition avoidance in digital designs. The unbuffered topology preserves edge fidelity, producing cleaner delayed edges than buffered alternatives. The 5-TSSOP footprint enables dense placement of multi-inverter delay chains. The wide 1.65 V to 5.5 V VCC range allows the delay element to operate from any system rail.
おすすめ
Analog Amplifier / Linear Buffer
When biased into the linear region by external feedback resistors, the 74LVC1GU04GW,125 operates as a single-stage CMOS amplifier with high input impedance and moderate gain. The unbuffered topology is essential here because buffered inverters cannot operate in the linear region - their internal gain stages saturate. According to the Nexperia datasheet, the device's wide supply range (1.65 V to 5.5 V) allows operation from battery or regulated rails, and the 5 V tolerant inputs permit signal swings beyond VCC. Common uses include pre-amplification of sensor signals, sample-and-hold buffers, and active filters. The 5-TSSOP package integrates easily alongside op-amps in mixed-signal designs.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: 74LVC1GU04GW125 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 74LVC1G04GW,125 | TC7SZ04FE | NL17SZ04DFT2G |
|---|---|---|---|---|
| Package | 5-TSSOP (SOT-353/UMT5) | 5-TSSOP (SOT-353/UMT5) | 5-SSOP (fSV) | 5-TSSOP (SOT-353) |
| Brand | Nexperia | Nexperia | Toshiba | onsemi |
| Topology | Unbuffered (1-stage) | Buffered (3-stage) | Unbuffered (1-stage) | Unbuffered (1-stage) |
| Supply Voltage | 1.65 V to 5.5 V | 1.65 V to 5.5 V | 1.8 V to 5.5 V | 1.65 V to 5.5 V |
| Propagation Delay (3.3 V) | 1.7 ns typ | 4.0 ns typ | 2.0 ns typ | 2.5 ns typ |
| Output Drive (±mA at 3.3 V) | 24 mA | 24 mA | 8 mA | 24 mA |
| 5 V Tolerant Input | Yes | Yes | Yes | Yes |
| Quiescent Current | 100 µA max | 100 µA max | 10 µA max | 1 µA max |
主な差別化要因
- Unbuffered single-stage topology enables analog and oscillator use （vs 74LVC1G04GW,125)
- Lower quiescent current than TC7SZ04FE equivalent （vs TC7SZ04FE)
- True pin-to-pin 5-TSSOP compatibility with NL17SZ04DFT2G （vs NL17SZ04DFT2G)
設計ノート
Pin 1 of the 5-TSSOP (SOT-353) package is internally floating on the 74LVC1GU04GW,125 die. According to the Nexperia datasheet, Pin 1 MUST be left unconnected on the PCB - do not route any signal, ground, or supply to this pin. Connecting Pin 1 to a trace can introduce parasitic coupling that degrades input-edge integrity, especially in oscillator and RF detector circuits.
The 74LVC1GU04GW,125 has NO Schmitt-trigger hysteresis on its input. Slow edges (< 10 V/µs) or noisy input signals may produce multiple output transitions as the input crosses the threshold region. For noisy or slow-edge applications, either add a 100 ohm to 1 kohm series resistor at the input to limit edge rate, use an external RC low-pass filter, or substitute the buffered 74LVC1G04GW,125 variant which has internal Schmitt-trigger-like behavior.
Decouple the VCC pin (Pin 5) with a 100 nF ceramic capacitor placed within 2 mm of the package. For oscillator circuits, add a 10 µF bulk capacitor on the same VCC rail to minimize supply pushing of the oscillator frequency. Estimated: the 5-TSSOP package has theta_JA of approximately 250 C/W, so continuous output current should be kept below 16 mA to maintain junction temperature rise under 10 °C in 70 °C environments.
コンプライアンス情報
RoHS compliant per Nexperia product page. Standard grade is not AEC-Q100 qualified - choose 74LVC1GU04GW-Q100 for automotive applications.
