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Diodes Incorporated 74AHCT1G00SE-7
- Part No.:
- 74AHCT1G00SE-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Gates and Inverters
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
74AHCT1G00SE-7.pdf
- Description:
- IC GATE NAND 1CH 2-INP SOT353
- Quantity:
- Payment:
- Shipping:
Inventory:10,479
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Product details
Overview
74AHCT1G00SE-7 from Diodes Incorporated is a single 2-input positive NAND gate in SOT353 package, operating at 4.5V–5.5V supply, delivering ±8 mA output drive at 5.0V, with Schmitt-trigger inputs for noise immunity and CMOS low-power consumption. It performs the Boolean function Y = A·B and is used in logic-level signal conditioning within compact consumer electronics interfaces.
For engineers reviewing the 74AHCT1G00SE-7 datasheet, 74AHCT1G00SE-7 pinout, 74AHCT1G00SE-7 application, or 74AHCT1G00SE-7 equivalent, key selection criteria include input hysteresis tolerance (20 ns/V transition rate), propagation delay ≤8.0 ns at 125°C with 50 pF load, and RoHS-compliant lead-free finish in SOT353 footprint.
Technical Context
This device implements standard TTL-compatible positive NAND logic using advanced CMOS process technology. Its Schmitt-trigger inputs provide defined switching thresholds (VIH = 2.0 V min, VIL = 0.8 V max) and tolerate slow-rising/falling edges up to 20 ns/V, reducing susceptibility to noise-induced glitches.
The output stage uses a totem-pole configuration capable of sourcing/sinking ±8 mA while maintaining VOH ≥3.70 V and VOL ≤0.55 V across full temperature range (–40°C to +125°C) and supply (4.5–5.5 V), ensuring robust interfacing with legacy TTL and modern 5V CMOS loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V - Ensures compatibility with standard 5V logic rails and tolerates ±10% regulation variation. |
| Output Drive | ±8 mA at 5.0 V - Supports direct driving of multiple 74-series TTL inputs or one LS-TTL load without buffering. |
| Propagation Delay | ≤8.0 ns at VCC = 5V, CL = 50 pF, TA = –40°C to +125°C - Enables reliable operation in high-speed control timing paths. |
| Input Hysteresis | 20 ns/V input transition rate tolerance - Allows clean switching with slow or noisy signals from microcontrollers or mechanical switches. |
| Power Dissipation | 11 pF typical Cpd at 1 MHz - Results in <1 μW static power at 1 kHz toggle rate, suitable for battery-backed logic. |
| ESD Protection | 2 kV HBM, 1 kV CDM, 200 V MM - Meets industrial IEC 61000-4-2 level requirements without external protection. |
Pinout & Package
SOT353 (5-pin small outline transistor) package with gull-wing leads, 1.2 mm body width, 2.1 mm length, and 0.65 mm pitch. Lead-free, halogen-free, RoHS-compliant construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A | Data Input | First logic input with Schmitt-trigger threshold (VIH ≥2.0 V, VIL ≤0.8 V); must be tied to VCC or GND if unused. |
| B | Data Input | Second logic input with identical Schmitt-trigger characteristics; enables NAND function Y = A·B. |
| GND | Ground Reference | Return path for all internal currents; requires low-inductance connection to system ground plane. |
| Y | Data Output | Inverting NAND output with totem-pole drive; sinks/sourses ±8 mA while maintaining VOL ≤0.55 V / VOH ≥3.70 V. |
| VCC | Supply Voltage | Positive supply rail (4.5–5.5 V); decoupling capacitor (100 nF) required within 5 mm of pin. |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger inputs | Enables reliable logic decision under slow or noisy signal edges (e.g., pushbutton debouncing, sensor interface). |
| TTL-compatible voltage thresholds | VIH = 2.0 V min and VIL = 0.8 V max ensure interoperability with legacy 5V microcontrollers and peripherals. |
| Low dynamic power | 11 pF typical power dissipation capacitance limits switching current, reducing heat in dense PCB layouts. |
| Industrial temperature range | Specified operation from –40°C to +125°C junction temperature supports deployment in automotive cabin and industrial control environments. |
Applications
| Pushbutton Debouncing Circuit | Level Translation Interface |
|---|---|
Use Scenario: Mechanical switch connected to microcontroller GPIO with long trace run and EMI exposure. IC Role / Device Role / Timing Role: Single NAND gate configured as RS latch or Schmitt-trigger inverter to eliminate contact bounce artifacts. Use Value: Eliminates need for external RC network or firmware debounce; hysteresis ensures monotonic edge detection even with 20 ns/V rise time. | Use Scenario: Interfacing 3.3V FPGA I/O to 5V legacy peripheral requiring TTL-level inputs. IC Role / Device Role / Timing Role: Logic-level translator using open-drain or pull-up configuration (not applicable here) - instead, leverages 5V-tolerant inputs and 5V output swing. Use Value: Provides guaranteed VIH = 2.0 V min and VOH ≥3.70 V at 8 mA sink, enabling direct connection without external resistors or translators. |
| Serial Data Signal Conditioning | Microcontroller Reset Synchronization |
Use Scenario: Cleaning up asynchronous UART or SPI clock/data lines subject to crosstalk and ground bounce. IC Role / Device Role / Timing Role: Glitch filter and waveform sharpening element placed between noisy bus and MCU input pin. Use Value: Propagation delay ≤8.0 ns preserves timing margins in 1 Mbps UART links; Schmitt input rejects sub-200 mV noise spikes. | Use Scenario: Combining power-on reset (POR) and manual reset signals into single active-low reset input for ARM Cortex-M0+ MCU. IC Role / Device Role / Timing Role: Active-low NAND gate used as wired-OR equivalent (with inverted inputs) to assert reset when either source is low. Use Value: Eliminates discrete diode-resistor OR network; guarantees reset assertion within 8 ns of input change, meeting tight MCU reset setup requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar single 2-input NAND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G00DBVR | Wider supply range (1.65–5.5 V), lower drive (±32 mA @ 3.3 V), no Schmitt inputs. | Lacks input hysteresis; unsuitable for slow/noisy signals without external filtering. | Select when 3.3V operation or lower static current (<1 μA ICC) is prioritized over noise immunity. |
| 74AHC1G00SE-7 | Same SOT353 package, identical pinout, but AHC family: higher speed (tpd ≤5.5 ns), wider VCC range (2–5.5 V), no Schmitt inputs. | Higher speed and broader voltage support, but reduced noise margin on inputs (VIH = 3.5 V min at 5V). | Select when maximum speed or multi-voltage design flexibility is required and input signals are clean. |
Compared with SN74LVC1G00DBVR and 74AHC1G00SE-7, the 74AHCT1G00SE-7 uniquely combines TTL-compatible thresholds, Schmitt-trigger noise immunity, and guaranteed 5V operation-making it optimal for legacy 5V systems with marginal signal integrity.
Availability
74AHCT1G00SE-7 is available at Aetrix Electronics and suitable for pushbutton debouncing, serial signal conditioning, microcontroller reset synchronization, and level translation requiring stable component supply and consistent SOT353 footprint.
Supply support for 74AHCT1G00SE-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.
The AHCT logic family targets 5V TTL-compatible digital interfacing with low power and enhanced noise immunity, specifically designed for industrial, computing, and consumer applications where reliability and signal integrity are critical.
FAQ
Can 74AHCT1G00SE-7 operate at 3.3V?
No. The 74AHCT1G00SE-7 is specified only for 4.5V to 5.5V operation per its Recommended Operating Conditions. At 3.3V, VIH and VIL thresholds become undefined, output drive falls below specification, and functionality is not guaranteed. Use 74LVC1G00 or 74AHC1G00 for 3.3V systems.
What is the purpose of Schmitt-trigger inputs in this NAND gate?
Schmitt-trigger inputs provide hysteresis-separate thresholds for rising (VIH ≈2.0 V) and falling (VIL ≈0.8 V) edges-enabling clean switching despite slow or noisy input transitions. This eliminates false triggering from ringing, EMI, or mechanical switch bounce without external RC components.
Is 74AHCT1G00SE-7 pin-compatible with 74AHCT1G00W5-7?
Yes-both share identical 5-pin functional mapping (A, B, GND, Y, VCC) and logic behavior. However, they differ in package: SE denotes SOT353 (1.2 × 2.1 mm), W5 denotes SOT25 (1.6 × 2.8 mm). Layouts require separate footprints; thermal resistance (θJA = 371°C/W vs. 204°C/W) also differs significantly.
Does this device require external pull-up or pull-down resistors on unused inputs?
Yes. Per datasheet Note 3, unused inputs must be tied to VCC or GND to prevent floating states that increase ICC, cause erratic output, or induce ESD vulnerability. Leaving inputs unconnected violates recommended operating conditions and may result in unpredictable logic behavior or accelerated wear-out.
74AHCT1G00SE-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74AHCT
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- NAND Gate
- Number of Circuits:
- 1
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 7.9ns @ 5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-353
74AHCT1G00SE-7 FAQ
1.How can I place an order for 74AHCT1G00SE-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHCT1G00SE-7 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 74AHCT1G00SE-7 reliable?
The price and inventory of 74AHCT1G00SE-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT1G00SE-7 is usually 5 days.
3.What payment methods are accepted for 74AHCT1G00SE-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT1G00SE-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AHCT1G00SE-7?
74AHCT1G00SE-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHCT1G00SE-7 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 74AHCT1G00SE-7?
For technical support, including 74AHCT1G00SE-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT1G00SE-7 requirements.
6.How does Aetrix verify that 74AHCT1G00SE-7 is sourced from the original manufacturer or authorized distributors?
All 74AHCT1G00SE-7 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 74AHCT1G00SE-7 meets industry standards.
7.What is the process for return or replacement of 74AHCT1G00SE-7?
All 74AHCT1G00SE-7 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT1G00SE-7, 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 74AHCT1G00SE-7 part is unused and in its original packaging.
Return procedure for 74AHCT1G00SE-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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