74AHCT1G00DCKR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
74AHCT1G00DCKR is a single 2-input NAND gate in the AHCT logic family with 4.5 V to 5.5 V supply, TTL-compatible inputs, and a compact 5-pin SC-70 package from Texas Instruments. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- 74AHCT1G00DCKR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 74AHCT1G00DCKR?
- Single 2-input NAND gate with AHCT logic levels accepting TTL-compatible inputs while operating from 4.5 V to 5.5 V supply
- Ultra-compact 5-pin SC-70 package measuring only 2.0 mm x 2.1 mm for glue-logic integration in space-constrained PCBs
- Propagation delay below 7 ns at 5 V enabling high-speed glue logic and signal conditioning at frequencies up to 80 MHz
- High output drive strength of +/- 8 mA sinking and sourcing for direct LED driving and bus line driving without buffers
What is 74AHCT1G00DCKR used for?
The 74AHCT1G00DCKR is commonly used as glue logic for signal inversion, enable control, and simple combinational functions in mixed-voltage 5 V and 3.3 V digital systems where a full logic family IC would be wasteful. It is ideal for generating active-low chip-select signals, creating a NOT gate from a NAND with tied inputs, or conditioning TTL output signals to AHCT levels in microcontroller and FPGA peripheral circuits. The tiny SC-70 footprint makes it practical for board space optimization in portable instruments, industrial sensors, and consumer electronics.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the 74AHCT1G00DCKR datasheet?
74AHCT1G00DCKR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for 74AHCT1G00DCKR?
Compatible alternatives and drop-in replacements for 74AHCT1G00DCKR:
Frequently Asked Questions
How fast is the 74AHCT1G00DCKR propagation delay and at what frequency can it operate reliably?
The 74AHCT1G00DCKR has a typical propagation delay of around 4.5 ns and a maximum of 7 ns at 5 V supply. This allows reliable operation in combinational logic paths up to approximately 80 MHz, making it suitable for clock gating, chip-select conditioning, and fast handshake signal generation in 5 V digital systems without introducing significant timing margin loss.
Can 74AHCT1G00DCKR accept 3.3 V logic outputs from an MCU and drive a 5 V logic input?
Yes, the AHCT logic family accepts TTL-compatible input thresholds (VIL 0.8 V max, VIH 2.0 V min), so a 3.3 V MCU output driving 74AHCT1G00DCKR inputs will be correctly interpreted at 5 V supply. The output swings fully to the 5 V rail at VOH greater than 4.4 V, providing a clean level-shift from 3.3 V logic outputs to 5 V-compatible downstream devices.
How small is the 74AHCT1G00DCKR SC-70 package and what board area does it save versus SOT-23?
The 74AHCT1G00DCKR SC-70 package measures 2.0 mm x 2.1 mm with a 0.65 mm pin pitch, approximately 40% smaller in footprint area than the standard 5-pin SOT-23 package at 3.0 mm x 1.75 mm. For designs embedding dozens of discrete logic gates, this size reduction frees significant board area, particularly in handheld instruments and wearable sensor modules where every square millimeter counts.
For a board carrying both 74AHCT1G00DCKR and 74HC1G00 gates, which gate performs better in noise immunity at 5 V?
Both 74AHCT1G00DCKR and 74HC1G00 operate at 5 V with similar 0.4 V output noise margin, but the AHCT variant offers better immunity to slow input transitions due to its TTL-compatible switching thresholds (VIH 2 V vs. 3.5 V for HC). In boards mixing 3.3 V driver outputs and 5 V logic rails, 74AHCT1G00DCKR is more tolerant of marginal signal levels with less than 10 ns rise times.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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