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Texas Instruments SN74AUC2G80DCTR
- Part No.:
- SN74AUC2G80DCTR
- Manufacturer:
- Texas Instruments
- Category:
- Flip Flops
- Package:
- 8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
- Datasheet:
-
SN74AUC2G80DCTR.pdf
- Description:
- IC FF D-TYPE DUAL 1BIT SM8
- Quantity:
- Payment:
- Shipping:
Inventory:3,977
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Product details
Overview
SN74AUC2G80DCTR from Texas Instruments is a dual positive-edge-triggered D-type flip-flop in SSOP-8 (DCT) package, designed for 1.65-V to 1.95-V operation with 1.9 ns max propagation delay at 1.8 V, ±8-mA output drive, and 10-µA max ICC - used in high-speed level-shifting, clock-domain synchronization, and low-voltage data latching in portable and battery-powered systems.
For engineers reviewing the SN74AUC2G80DCTR datasheet, SN74AUC2G80DCTR pinout, SN74AUC2G80DCTR application, or SN74AUC2G80DCTR equivalent, key selection criteria include sub-2-ns timing at 1.8 V, Ioff-enabled partial-power-down support, 3.6-V I/O tolerance for mixed-mode interfacing, and NanoFree™-compatible footprint compatibility across DCT/DCU/YZP packages.
Technical Context
This device implements two independent edge-triggered D flip-flops sharing no internal logic; each responds solely to its dedicated CLK and D inputs with no internal feedback or reset/set control. Clock triggering occurs at voltage thresholds-not edge rate-enabling robust operation across varying slew rates.
It supports true partial-power-down via Ioff circuitry that disables outputs when VCC = 0 V, preventing back-drive current; input and output pins tolerate up to 3.6 V regardless of VCC, enabling seamless interfacing between 1.8-V logic and higher-voltage domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 0.8 V to 2.7 V - enables operation from ultra-low-voltage (0.8 V) up to 2.7 V, with optimal performance at 1.65–1.95 V |
| tpd (max) | 1.9 ns at 1.8 V, CL = 15 pF - ensures sub-2-ns data-to-output latency critical for high-frequency sampling and pipeline stages |
| Output Drive | ±8 mA at 1.8 V - provides sufficient current to drive multiple 1.8-V CMOS loads without external buffering |
| Ioff Support | Active at VCC = 0 V - blocks current flow through I/O pins during power sequencing or standby, protecting downstream circuitry |
| I/O Tolerance | 3.6 V - allows direct connection to 3.3-V or 2.5-V buses while powered from 1.8 V, eliminating level translators |
| ICC (max) | 10 µA - minimizes quiescent power in always-on subsystems such as real-time clocks or wake-up controllers |
| tsu / th | 0.6 ns / 0.1 ns at 1.8 V - tight timing margins support integration into fast synchronous designs with minimal setup/hold overhead |
Pinout & Package
SN74AUC2G80DCTR uses an 8-pin Small Outline Package (SSOP), designated DCT, with 1.3-mm maximum height, 3.95-mm body width, and 0.65-mm lead pitch. Pin 1 is marked by a beveled corner and located in Quadrant Q3 per tape orientation standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1CLK | Positive-edge clock input for first flip-flop - triggers data capture on rising transition only |
| 2 | 1D | Data input for first flip-flop - sampled at 1CLK↑ and transferred to 1Q on next active edge |
| 3 | GND | Ground reference for both flip-flops and internal bias networks - must be low-impedance |
| 4 | 2CLK | Positive-edge clock input for second flip-flop - independent timing domain from 1CLK |
| 5 | 2D | Data input for second flip-flop - isolated signal path with no crosstalk to first section |
| 6 | VCC | Supply voltage for core logic and output drivers - powers both flip-flops and I/O buffers |
| 7 | 1Q | True output of first flip-flop - reflects 1D state after 1CLK↑, with 1.9 ns max tpd |
| 8 | 2Q | True output of second flip-flop - non-inverting output synchronized to 2CLK, electrically isolated from 1Q |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent D flip-flops | Two fully isolated storage elements sharing only VCC/GND - enables concurrent clock-domain crossing or parallel data staging |
| Sub-2-ns propagation delay | 1.9 ns max at 1.8 V - meets timing closure requirements in >250-MHz clocked systems with 15-pF load |
| Ioff partial-power-down | Outputs enter high-impedance state with VCC = 0 V - prevents back-current damage during hot-swap or multi-rail sequencing |
| 3.6-V tolerant I/O | Inputs and outputs withstand 3.6 V regardless of VCC - eliminates external level shifters when interfacing with 3.3-V peripherals |
| NanoFree™-compatible footprint | DCT package matches pinout and land pattern of DCU and YZP variants - enables drop-in substitution across voltage and size constraints |
Applications
| High-Speed Data Acquisition | Low-Power Wearable Sensor Hub |
|---|---|
Use Scenario: Capturing synchronized analog-to-digital converter (ADC) sample strobes and metadata flags in real time. IC Role / Device Role / Timing Role: Dual D flip-flop latches parallel ADC output bits and status signals on a common high-frequency sampling clock. Use Value: 1.9 ns tpd ensures accurate capture of fast-changing digital waveforms without metastability-induced bit errors at 250-MHz sampling rates. |
Use Scenario: Managing sensor data handoff between ultra-low-power microcontroller sleep/wake cycles. IC Role / Device Role / Timing Role: Holding motion or environmental sensor readings during MCU deep-sleep mode, then releasing on wake-up pulse. Use Value: Ioff support prevents leakage paths when MCU VCC is off, extending battery life beyond 6 months in intermittent-read applications. |
| Multi-Rail Voltage Interface Bridge | Programmable Logic Glue Logic |
Use Scenario: Interfacing a 1.8-V FPGA I/O bank with legacy 3.3-V industrial communication peripherals. IC Role / Device Role / Timing Role: Level-translating and synchronizing control signals (e.g., enable, ready) across voltage domains without external resistors or translators. Use Value: 3.6-V I/O tolerance allows direct connection to 3.3-V lines while operating from 1.8-V rail - reduces BOM count and PCB area by 2 components per signal pair. |
Use Scenario: Implementing custom state-machine sequencing or pipeline registers in space-constrained embedded controllers. IC Role / Device Role / Timing Role: Providing two independent, edge-triggered storage elements for address latching, instruction staging, or interrupt flag management. Use Value: Independent CLK/D/Q pairs eliminate need for discrete logic gates or larger CPLDs - saves 1.2 mm² board area versus 14-pin SOIC alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual D-type flip-flop applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74AUC2G74DCTR | Dual D-type flip-flop with complementary Q and Q̅ outputs per section - adds inverted output capability not present in SN74AUC2G80DCTR | Required where both true and complement outputs are needed simultaneously (e.g., differential clock generation) | Select SN74AUC2G74DCTR only if Q̅ outputs are essential; otherwise SN74AUC2G80DCTR offers lower capacitance and identical timing at same supply |
| 74LVC2G74GW,125 | Operates from 1.65–5.5 V with 2.5 ns tpd at 3.3 V; lacks Ioff and has higher ICC (20 µA) | Better suited for wide-supply industrial systems but unsuitable for partial-power-down or sub-2-V battery operation | Choose 74LVC2G74GW,125 only when 5-V tolerance or legacy 3.3-V design reuse is mandatory; SN74AUC2G80DCTR is superior for 1.8-V portable designs |
Compared with SN74AUC2G74DCTR, SN74AUC2G80DCTR saves layout area by omitting Q̅ pins and delivers faster timing at 1.8 V; versus 74LVC2G74GW,125, it enables true zero-VCC isolation and cuts quiescent current by 50%, making it the preferred choice for energy-critical 1.8-V systems.
Availability
SN74AUC2G80DCTR is available at Aetrix Electronics and suitable for high-speed data acquisition, low-power wearable sensor hubs, multi-rail voltage interface bridges, and programmable logic glue logic requiring stable component supply across automotive, industrial, and consumer electronics programs.
Supply support for SN74AUC2G80DCTR 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with over 90 years of innovation in precision analog and low-power digital ICs.
SN74AUC2G80DCTR belongs to TI's AUC logic family - engineered for ultra-high-speed, ultra-low-voltage operation in portable and battery-constrained applications where timing accuracy and power efficiency are critical.
FAQ
What is the minimum operating voltage for SN74AUC2G80DCTR?
The SN74AUC2G80DCTR operates down to 0.8 V, with guaranteed functionality across the full recommended range of 0.8 V to 2.7 V. Its optimized design targets 1.65–1.95 V, where parameters like tpd = 1.9 ns and output drive = ±8 mA are specified. Below 1.65 V, timing and drive strength degrade gradually but remain functional per absolute maximum ratings.
Does SN74AUC2G80DCTR support partial-power-down mode?
Yes, SN74AUC2G80DCTR features Ioff circuitry that actively disables all outputs when VCC = 0 V, preventing damaging back-current flow through I/O pins during power sequencing or hot-swap events. This behavior is verified per JESD 78 Class II latch-up testing and is intrinsic to the device's architecture - no external control is required.
Can SN74AUC2G80DCTR interface directly with 3.3-V logic?
Yes, SN74AUC2G80DCTR inputs and outputs are rated for 3.6-V tolerance regardless of VCC level. When powered from 1.8 V, it safely accepts 3.3-V input signals and drives 3.3-V loads without clamping diodes or level-shifting components - confirmed by VI/VO absolute maximum ratings and I/O tolerance specifications in the datasheet.
What is the pinout configuration of SN74AUC2G80DCTR?
SN74AUC2G80DCTR uses an 8-pin SSOP (DCT) package with pin 1 (1CLK) in the top-left corner (Q3 quadrant). The pin order is: 1CLK, 1D, GND, 2CLK, 2D, VCC, 1Q, 2Q - matching the top-view mechanical drawing in SCES540C. No enable, reset, or set pins are present; all functionality is strictly edge-triggered D-type operation.
How does SN74AUC2G80DCTR differ from SN74AUC2G74DCTR?
SN74AUC2G80DCTR provides only true Q outputs per flip-flop, while SN74AUC2G74DCTR adds complementary Q̅ outputs. Both share identical timing, supply range, and Ioff support. SN74AUC2G80DCTR's smaller pin count reduces routing complexity and PCB area - making it preferable when inverted outputs are unnecessary, as in simple data latching or clock forwarding.
SN74AUC2G80DCTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74AUC
- Package/Case:
- 8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Standard
- Type:
- D-Type
- Output Type:
- Inverted
- Number of Elements:
- 2
- Number of Bits per Element:
- 1
- Clock Frequency:
- 275 MHz
- Max Propagation Delay @ V, Max CL:
- 1.8ns @ 2.5V, 30pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 9mA, 9mA
- Voltage - Supply:
- 0.8V ~ 2.7V
- Current - Quiescent (Iq):
- 10 µA
- Input Capacitance:
- 2.5 pF
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SM8
SN74AUC2G80DCTR FAQ
1.How can I place an order for SN74AUC2G80DCTR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74AUC2G80DCTR 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 SN74AUC2G80DCTR reliable?
The price and inventory of SN74AUC2G80DCTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74AUC2G80DCTR is usually 5 days.
3.What payment methods are accepted for SN74AUC2G80DCTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74AUC2G80DCTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74AUC2G80DCTR?
SN74AUC2G80DCTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74AUC2G80DCTR 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 SN74AUC2G80DCTR?
For technical support, including SN74AUC2G80DCTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74AUC2G80DCTR requirements.
6.How does Aetrix verify that SN74AUC2G80DCTR is sourced from the original manufacturer or authorized distributors?
All SN74AUC2G80DCTR 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 SN74AUC2G80DCTR meets industry standards.
7.What is the process for return or replacement of SN74AUC2G80DCTR?
All SN74AUC2G80DCTR units undergo pre-shipment inspection (PSI). If there is an issue with SN74AUC2G80DCTR, 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 SN74AUC2G80DCTR part is unused and in its original packaging.
Return procedure for SN74AUC2G80DCTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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