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NXP Semiconductors 74HCT1G08GW/S400125
- Part No.:
- 74HCT1G08GW/S400125
- Manufacturer:
- NXP Semiconductors
- Category:
- Gates and Inverters
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
74HCT1G08GW/S400125.pdf
- Description:
- IC GATE AND 1CH 2-INP 5TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,233
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Product details
Overview
74HCT1G08GW/S400125 from NXP Semiconductors is a single 2-input AND gate in TSSOP5 (SOT353-1) package, designed for TTL-level logic interfacing at 4.5 V to 5.5 V supply. It delivers 11 ns typical propagation delay at 4.5 V/50 pF, ±2.0 mA output drive, and operates across −40 °C to +125 °C. It is used in level translation, enable control, and bus gating within industrial microcontroller peripheral interfaces.
For engineers reviewing the 74HCT1G08GW/S400125 datasheet, 74HCT1G08GW/S400125 pinout, 74HCT1G08GW/S400125 application, or 74HCT1G08GW/S400125 equivalent, key selection criteria include TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max), rail-to-rail output swing under load, low static current (ICC ≤ 20 µA at 5.5 V), and SOT353-1 footprint compatibility with space-constrained PCB layouts.
Technical Context
The 74HCT1G08GW/S400125 implements standard positive-logic AND functionality with dual inputs (A, B) and one buffered output (Y), operating exclusively in CMOS silicon-gate technology with TTL input voltage thresholds. Its logic behavior follows the truth table: Y = HIGH only when both A and B are HIGH; all other combinations yield LOW.
It features symmetrical output impedance, balanced tPLH/tPHL propagation delays, and input clamping diodes rated for ±20 mA. The device supports dynamic operation up to 25 MHz (based on 23 ns max tpd at 4.5 V/50 pF) and exhibits 21 pF power dissipation capacitance (CPD), enabling accurate dynamic power estimation in mixed-signal systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Single 2-input AND gate - performs Boolean multiplication of two digital signals |
| Supply Voltage Range | 4.5 V to 5.5 V - compatible with standard 5 V TTL and mixed-voltage 5 V system rails |
| Propagation Delay (tpd) | 11 ns typical (4.5 V, 50 pF) - enables reliable timing in sub-50 ns control paths |
| Output Drive | ±2.0 mA at VCC = 4.5 V - sufficient to drive multiple 74HCT inputs or small capacitive loads |
| Input Thresholds | VIH ≥ 2.0 V, VIL ≤ 0.8 V - ensures robust noise margin and direct interface with legacy TTL outputs |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive, industrial PLC, and extended-range embedded use |
| Static Supply Current | ≤ 20 µA at 5.5 V - supports ultra-low-quiescent-power sleep-mode signal conditioning |
Pinout & Package
TSSOP5 (SOT353-1) package: plastic thin shrink small outline, 5-lead, body width 1.25 mm, 0.65 mm pitch, lead finish SnAgCu, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (B) | Data input | Secondary logic input - accepts TTL-level HIGH/LOW signals; internally terminated with clamping diodes |
| 2 (A) | Data input | Primary logic input - identical electrical characteristics to Pin 1; both inputs fully interchangeable |
| 3 (GND) | Ground reference | 0 V return path for all internal circuitry and output current sinking; must be low-impedance |
| 4 (Y) | Data output | CMOS-buffered AND result - rail-to-rail swing under light load; drives downstream HCT/HC inputs directly |
| 5 (VCC) | Supply voltage | +4.5 V to +5.5 V power rail - requires local 100 nF ceramic decoupling adjacent to Pin 5 |
Key Features
| Feature | Design Value |
|---|---|
| Symmetrical output impedance | Enables matched rise/fall times (tPLH ≈ tPHL), reducing signal skew in timing-critical paths |
| High noise immunity | Guaranteed 0.4 V noise margin at VCC = 4.5 V due to TTL-compatible VIH/VIL separation |
| Low power dissipation | 20 µA max ICC at 5.5 V allows integration into battery-backed or energy-harvesting subsystems |
| Balanced propagation delays | Typical tPLH = tPHL = 11 ns ensures deterministic edge alignment between input transitions and output response |
| Industrial temperature range | −40 °C to +125 °C operation validated per JEDEC JESD22-A108, supporting harsh-environment deployment |
Applications
| Microcontroller Peripheral Enable | Bus Arbitration Gate |
|---|---|
Use Scenario: Enabling SPI or I²C peripherals only when master controller asserts both chip-select and power-good signals. IC Role / Device Role / Timing Role: Logic-level AND gate performing hardware-based conditional activation of peripheral power or clock domains. Use Value: Eliminates software polling overhead and prevents spurious peripheral wake-up during reset or brown-out conditions. |
Use Scenario: Allowing access to shared memory or sensor bus only when both arbitration request and grant signals are active. IC Role / Device Role / Timing Role: Synchronous bus access validator ensuring exclusive resource ownership before data transfer begins. Use Value: Prevents bus contention and data corruption in multi-master embedded systems without requiring additional state machines. |
| Power Sequencing Control | LED Driver Enable Logic |
Use Scenario: Requiring both main 5 V rail and auxiliary 3.3 V rail to be stable before releasing reset to an FPGA or ASIC. IC Role / Device Role / Timing Role: Dual-rail status combiner generating a composite "all-rails-good" power-ok signal. Use Value: Ensures safe device initialization by enforcing strict sequencing compliance, avoiding latch-up or configuration errors. |
Use Scenario: Illuminating status LEDs only when both system fault flag and user-enable switch are asserted. IC Role / Device Role / Timing Role: Safety-interlocked visual indicator driver enabling LED current only upon dual-condition satisfaction. Use Value: Provides fail-safe operator feedback that cannot activate erroneously due to single-point failures or floating inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 2-input AND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G08DBVR | Wider supply range (1.65 V–5.5 V); CMOS input thresholds; 3.7 ns tpd at 3.3 V | Better suited for mixed-voltage 3.3 V/5 V systems; not TTL-input compatible | Select when interfacing with LVTTL or LVCMOS logic and lower propagation delay is critical |
| 74AHC1G08GW | CMOS input thresholds; 2 V–5.5 V supply; 5.5 ns tpd at 5 V; higher drive (±8 mA) | Higher speed and drive strength, but lacks TTL-level input compatibility | Choose for high-speed 5 V-only designs where VIH/VIL matching to legacy TTL is unnecessary |
Compared with SN74LVC1G08DBVR and 74AHC1G08GW, the 74HCT1G08GW/S400125 uniquely provides guaranteed TTL input compatibility at 5 V while maintaining industrial temperature rating and minimal footprint - making it the preferred choice for retrofitting or maintaining legacy 5 V TTL system integrity.
Availability
74HCT1G08GW/S400125 is available at Aetrix Electronics and suitable for industrial control panels, automotive body electronics, and medical diagnostic equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74HCT1G08GW/S400125 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The 74HCT1G08GW/S400125 belongs to NXP's 74HCT logic family, engineered specifically for seamless interoperability with legacy TTL systems while delivering CMOS efficiency and reliability in compact packages.
FAQ
What logic family does the 74HCT1G08GW/S400125 belong to, and how does it differ from 74HC variants?
The 74HCT1G08GW/S400125 belongs to the 74HCT (High-speed CMOS with TTL input thresholds) family. Unlike the 74HC variant, which uses CMOS-compatible input thresholds (VIH ≈ 0.7×VCC), the 74HCT1G08GW/S400125 features fixed TTL-compatible thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V at 4.5–5.5 V), enabling direct connection to older TTL outputs without level shifters. This makes the 74HCT1G08GW/S400125 ideal for mixed-technology upgrades where legacy 5 V TTL logic coexists with modern CMOS circuitry.
What is the maximum operating frequency supported by the 74HCT1G08GW/S400125?
The 74HCT1G08GW/S400125 does not specify a hard maximum clock frequency, but its propagation delay determines practical switching limits. With a maximum tpd of 27 ns over −40 °C to +125 °C at 4.5 V/50 pF, the device supports reliable operation up to approximately 25 MHz in repetitive toggle applications. For non-repetitive gating (e.g., enable strobes), it functions correctly at much higher edge rates, constrained only by input transition time (≤139 ns/V at 4.5 V) and layout-induced ringing.
Can the 74HCT1G08GW/S400125 operate at 3.3 V supply?
No - the 74HCT1G08GW/S400125 is specified only for 4.5 V to 5.5 V operation. At 3.3 V, its TTL input thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V) become unreliable, and output drive capability degrades significantly. For 3.3 V systems, NXP recommends the 74LVC1G08 or 74AUP1G08 families instead. Using the 74HCT1G08GW/S400125 below 4.5 V violates recommended operating conditions and may cause logic misstates or increased ICC.
What is the meaning of the marking "TE" on the 74HCT1G08GW/S400125 package?
The marking "TE" laser-etched on the top surface of the 74HCT1G08GW/S400125 identifies the specific variant as the 74HCT1G08 version in TSSOP5 (SOT353-1) package. Per NXP's marking code table, "HE" denotes the 74HC1G08GW variant, while "TE" unambiguously confirms the device is the TTL-input-compatible 74HCT1G08GW. This marking enables rapid visual verification during assembly and field service without requiring electrical testing.
Does the 74HCT1G08GW/S400125 require external pull-up or pull-down resistors on unused inputs?
Yes - unused inputs on the 74HCT1G08GW/S400125 must be terminated to a defined logic level (VCC or GND) to prevent floating nodes, which can cause excessive ICC, oscillation, or ESD susceptibility. Leaving Pin 1 (B) or Pin 2 (A) open risks metastability and increased power consumption. A 10 kΩ pull-up to VCC or pull-down to GND is recommended; internal input leakage (≤1.0 µA) ensures stable biasing with such values. Never leave either input unconnected in production designs.
74HCT1G08GW/S400125 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74HCT
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- AND Gate
- Number of Circuits:
- 1
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 20 µA
- Current - Output High, Low:
- 2mA, 2mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 27ns @ 4.5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSSOP
74HCT1G08GW/S400125 FAQ
1.How can I place an order for 74HCT1G08GW/S400125 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT1G08GW/S400125 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 74HCT1G08GW/S400125 reliable?
The price and inventory of 74HCT1G08GW/S400125 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT1G08GW/S400125 is usually 5 days.
3.What payment methods are accepted for 74HCT1G08GW/S400125?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT1G08GW/S400125 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT1G08GW/S400125?
74HCT1G08GW/S400125 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT1G08GW/S400125 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 74HCT1G08GW/S400125?
For technical support, including 74HCT1G08GW/S400125 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT1G08GW/S400125 requirements.
6.How does Aetrix verify that 74HCT1G08GW/S400125 is sourced from the original manufacturer or authorized distributors?
All 74HCT1G08GW/S400125 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74HCT1G08GW/S400125 meets industry standards.
7.What is the process for return or replacement of 74HCT1G08GW/S400125?
All 74HCT1G08GW/S400125 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT1G08GW/S400125, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 74HCT1G08GW/S400125 part is unused and in its original packaging.
Return procedure for 74HCT1G08GW/S400125:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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