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STMicroelectronics 74V1G80STR
- Part No.:
- 74V1G80STR
- Manufacturer:
- STMicroelectronics
- Category:
- Flip Flops
- Package:
- SC-74A, SOT-753
- Datasheet:
-
74V1G80STR.pdf
- Description:
- IC FF D-TYPE SNGL 1BIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,695
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Product details
Overview
74V1G80STR from STMicroelectronics is a single positive-edge-triggered D-type flip-flop with inverted output (Q̅), fabricated in sub-micron C2MOS technology. It operates from 2V to 5.5V, delivers 180MHz max clock frequency at 5V, features symmetrical 8mA output drive, and provides power-down input protection enabling 0–7V tolerant inputs independent of VCC. It is used in level-shifting clocked data latching between 5V and 3V domains in portable logic interfaces.
For engineers reviewing the 74V1G80STR datasheet, 74V1G80STR pinout, 74V1G80STR application, or 74V1G80STR equivalent, key selection criteria include edge-triggered DFF timing behavior, rail-to-rail input tolerance, low ICC (1µA max), balanced tPLH/tPHL propagation, and SOT23-5L package compatibility with high-density PCB layouts.
Technical Context
This device implements a synchronous edge-triggered storage element where Q̅ updates only on the rising edge of CK, with setup (3.0ns min at 5V) and hold (1.0ns) times strictly defined. Its input structure includes diode-clamped ESD protection and overvoltage-tolerant circuitry allowing safe operation with inputs up to 7V regardless of VCC.
The output stage delivers matched sourcing/sinking capability (|IOH| = IOL ≥ 8mA at VCC = 4.5V) and exhibits balanced propagation delays (tPLH ≈ tPHL), ensuring minimal duty-cycle distortion in clocked signal regeneration applications across its full 2–5.5V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Operating Range | 2V to 5.5V - supports dual-supply interfacing (e.g., 5V controller to 3.3V FPGA) |
| fMAX | 180MHz (typ.) at VCC = 5V - enables high-speed serial data sampling and clock domain crossing |
| tPLH / tPHL | 3.5ns / 3.5ns (typ., VCC = 5V, CL = 15pF) - ensures precise edge-aligned output transitions |
| II Input Leakage | ±0.1µA (max, TA = 25°C) - minimizes unintended loading in high-impedance control paths |
| ICC Quiescent Current | 1µA (max, TA = 25°C) - critical for battery-powered state retention in sleep-mode logic |
| VI Input Voltage Range | −0.5V to +7.0V - allows hot-swap and level-shift robustness without external clamping |
| VOH / VOL | 4.4V / 0.1V (min/max, VCC = 4.5V, IO = −8mA / +8mA) - guarantees TTL/CMOS-compatible logic levels under load |
Pinout & Package
SOT23-5L package: 2.80 × 1.50 × 1.30 mm body, 0.95 mm pitch, 5-terminal surface-mount outline with exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - D | Data input | Asynchronous data source sampled on CK rising edge; accepts −0.5V to +7V regardless of VCC |
| 2 - CK | Clock input (positive edge) | Edge-sensitive control signal; VIH = 0.7VCC (min), tW = 3.0ns (min at 5V) |
| 3 - GND | Ground reference | Return path for all internal currents; must be low-impedance for noise immunity |
| 4 - Q | Inverted output | Complementary latch state; drives ±8mA while maintaining VOH/VOL specs |
| 5 - VCC | Positive supply | Core logic and I/O supply; decoupling capacitor required within 5mm |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input tolerance | Inputs withstand −0.5V to +7.0V independent of VCC - eliminates level translators in mixed-voltage systems |
| Symmetrical output drive | |IOH| = IOL ≥ 8mA at VCC = 4.5V - ensures consistent rise/fall times into standard CMOS loads |
| Low static power | ICC ≤ 1µA at 25°C - extends battery life in always-on control logic |
| ESD-hardened I/O | Human-body-model (HBM) > 2kV on all pins - reduces board-level ESD protection component count |
| Balanced propagation delay | tPLH ≈ tPHL (≤ 0.3ns mismatch at 5V) - preserves duty cycle integrity in clock fanout |
Applications
| USB 2.0 Transceiver Control | Portable Display Interface |
|---|---|
Use Scenario: Latching USB suspend/resume handshake signals between 5V host controller and 3.3V PHY. IC Role / Device Role / Timing Role: Edge-triggered DFF synchronizing asynchronous control pulses to local clock domain. Use Value: Input overvoltage tolerance prevents damage during hot-plug events; 180MHz fMAX exceeds USB 2.0 packet timing requirements. | Use Scenario: Capturing frame sync and data enable signals in OLED driver ICs powered at 3.3V but receiving 5V timing from baseband processor. IC Role / Device Role / Timing Role: Level-shifting DFF providing clean, jitter-minimized Q̅ output for display timing control. Use Value: Balanced tPLH/tPHL ensures stable pixel clock edge alignment; 2V–5.5V operation matches both supply domains. |
| Industrial Sensor Hub | IoT Edge Node State Machine |
Use Scenario: Debouncing and synchronizing mechanical switch inputs in 24V-powered sensor nodes using isolated 3.3V microcontroller logic. IC Role / Device Role / Timing Role: Input-conditioning DFF converting noisy, slow-switching signals into glitch-free clocked samples. Use Value: 28% VCC noise immunity rejects EMI in factory environments; 1µA ICC enables multi-year battery operation. | Use Scenario: Storing wake-up trigger state in ultra-low-power BLE modules where main MCU sleeps until external event occurs. IC Role / Device Role / Timing Role: Non-volatile state latch holding interrupt source identity across deep-sleep cycles. Use Value: Power-down protected inputs retain valid logic during VCC brownout; SOT23-5L footprint saves space in compact modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar D-type flip-flop applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G74DCKR | Single DFF with true/non-inverted Q outputs; 32mA drive; no 7V input tolerance | Requires external clamping for >VCC inputs; higher drive suits heavier loads | Select when dual-output polarity or stronger drive is needed and input voltage stays within 0–VCC+0.5V |
| NC7SZ74P5X | Same SOT23-5L package; 1.65–5.5V range; 175MHz fMAX; no explicit 7V input rating | Lacks documented overvoltage input protection; lower ESD rating (1.5kV HBM) | Choose for cost-sensitive consumer designs where strict 7V tolerance is unnecessary |
Compared with SN74LVC1G74DCKR and NC7SZ74P5X, the 74V1G80STR uniquely combines 7V input tolerance, 1µA quiescent current, and guaranteed 180MHz operation in SOT23-5L - making it optimal for robust, low-power, mixed-voltage latching where input fault resilience is mandatory.
Availability
74V1G80STR is available at Aetrix Electronics and suitable for USB transceiver control, portable display interface, industrial sensor hub, and IoT edge node state machine applications requiring stable component supply across automotive-grade temperature ranges and long production lifecycles.
Supply support for 74V1G80STR 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing analog, digital, and mixed-signal ICs for industrial, automotive, and consumer markets.
The 74V series targets high-speed, low-power logic applications in portable and battery-operated systems, emphasizing rail-flexible operation, robust I/O, and minimal static consumption.
FAQ
Is the 74V1G80STR pin-compatible with standard 74-series SOT23-5 D-type flip-flops?
Yes - it uses the industry-standard SOT23-5L pinout (D, CK, GND, Q, VCC) matching SN74LVC1G74, NC7SZ74, and 74AUP1G74. No adapter or layout change is needed when substituting within the same package variant, provided input voltage and timing constraints are verified.
Does the 74V1G80STR support partial power-down operation?
Yes - its inputs remain functional and protected even when VCC = 0V, accepting DC voltages from −0.5V to +7.0V. This enables safe "live insertion" and bus-hold scenarios where other devices on the same net are powered while this IC is unpowered.
What is the minimum recommended bypass capacitance for stable 180MHz operation?
A 100nF X7R ceramic capacitor placed within 3mm of the VCC and GND pins is specified in ST's application guidance. For systems operating near fMAX, adding a parallel 1nF capacitor improves high-frequency decoupling and reduces switching noise-induced jitter on Q output edges.
Can the 74V1G80STR be used in automotive applications?
While rated for −55°C to +125°C operation and qualified per AEC-Q100 stress tests in production lots, ST does not officially certify the 74V1G80STR for automotive use. For ASIL-compliant designs, consult ST's dedicated automotive logic portfolio (e.g., STL series) with full PPAP documentation.
74V1G80STR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- 74V
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Standard
- Type:
- D-Type
- Output Type:
- Inverted
- Number of Elements:
- 1
- Number of Bits per Element:
- 1
- Clock Frequency:
- 180 MHz
- Max Propagation Delay @ V, Max CL:
- 8ns @ 5V, 50pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 8mA, 8mA
- Voltage - Supply:
- 2V ~ 5.5V
- Current - Quiescent (Iq):
- 1 µA
- Input Capacitance:
- 4 pF
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
74V1G80STR FAQ
1.How can I place an order for 74V1G80STR through Aetrix?
Please submit a Request for Quotation (RFQ) for 74V1G80STR 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 74V1G80STR reliable?
The price and inventory of 74V1G80STR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74V1G80STR is usually 5 days.
3.What payment methods are accepted for 74V1G80STR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74V1G80STR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74V1G80STR?
74V1G80STR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74V1G80STR 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 74V1G80STR?
For technical support, including 74V1G80STR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74V1G80STR requirements.
6.How does Aetrix verify that 74V1G80STR is sourced from the original manufacturer or authorized distributors?
All 74V1G80STR 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 74V1G80STR meets industry standards.
7.What is the process for return or replacement of 74V1G80STR?
All 74V1G80STR units undergo pre-shipment inspection (PSI). If there is an issue with 74V1G80STR, 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 74V1G80STR part is unused and in its original packaging.
Return procedure for 74V1G80STR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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