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Nexperia USA Inc. 74HC273D,653
- Part No.:
- 74HC273D,653
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Flip Flops
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
74HC273D,653.pdf
- Description:
- IC FF D-TYPE SNGL 8BIT 20SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,263
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Product details
Overview
74HC273D,653 from Nexperia is an octal positive-edge-triggered D-type flip-flop with asynchronous master reset (MR), operating from 2.0 V to 6.0 V supply, delivering 8-bit synchronous data latching in industrial control logic, bus interface buffering, and clock-domain synchronization circuits. It features CMOS-level inputs, 15 ns typical propagation delay at 4.5 V, and guaranteed operation from –40 °C to +125 °C.
For engineers reviewing the 74HC273D,653 datasheet, 74HC273D,653 pinout, 74HC273D,653 application, or 74HC273D,653 equivalent, key selection criteria include its single-clock/single-reset architecture, SO20 package compatibility, TTL-compatible 74HCT273 variant availability, and precise setup/hold timing requirements for reliable edge-triggered capture in high-noise digital systems.
Technical Context
This device implements eight independent D-type flip-flops sharing one common clock (CP) and one active-low master reset (MR). Each flip-flop captures the state of its Dn input on the LOW-to-HIGH transition of CP, provided setup and hold time constraints are met. MR overrides clock and data, forcing all Qn outputs LOW regardless of CP or Dn states.
Input clamp diodes enable safe interfacing to voltages exceeding VCC when used with current-limiting resistors. The design supports mixed-voltage system integration via wide VCC range and offers robust ESD protection (HBM >2000 V, CDM >1000 V), latch-up immunity (>100 mA), and compliance with JEDEC JESD8C and JESD7A standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.0 V to 6.0 V - enables direct interface with 3.3 V and 5 V logic domains without level shifters |
| Propagation Delay (CP→Qn) | 15 ns typ @ 4.5 V - determines maximum clock frequency (up to 30 MHz) in synchronous pipelines |
| Set-up Time (Dn→CP) | 12 ns min @ 4.5 V - defines minimum data stability window before clock edge for reliable capture |
| Hold Time (Dn→CP) | 3 ns min @ 4.5 V - constrains how soon data may change after clock edge without metastability risk |
| Output Drive Strength | ±4.0 mA @ VCC = 4.5 V - sufficient to drive standard CMOS loads or small capacitive buses |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood automotive modules and industrial motor drives |
| Power Dissipation Cap. | 500 mW max @ Tamb ≤ 109 °C (SO20) - sets thermal derating limit for continuous operation |
Pinout & Package
74HC273D,653 is supplied in a plastic small outline package (SO20, SOT163-1) with 20 leads and 7.5 mm body width. Pin 1 is marked by a notch or dot; the package is lead-free and RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (MR) | Master Reset Input | Asynchronous active-low signal that forces all Qn outputs LOW independently of CP or Dn |
| 2, 5, 6, 9, 12, 15, 16, 19 (Q0–Q7) | Flip-Flop Outputs | Complementary latched states of corresponding Dn inputs captured on CP rising edge |
| 3, 4, 7, 8, 13, 14, 17, 18 (D0–D7) | Data Inputs | Independent parallel data lines sampled synchronously on CP rising edge |
| 10 (GND) | Ground Reference | 0 V return path for all internal circuitry and output current sinks/sources |
| 11 (CP) | Clock Input | Edge-sensitive input triggering simultaneous sampling of all eight Dn inputs |
| 20 (VCC) | Supply Voltage | Primary power rail for logic core and output drivers; decoupling capacitor required near pin |
Key Features
| Feature | Design Value |
|---|---|
| Wide VCC Range | 2.0 V to 6.0 V operation allows interoperability across legacy 5 V and modern 3.3 V systems |
| CMOS-Level Inputs | VIH ≥ 3.15 V @ VCC = 4.5 V ensures noise margin >1.35 V in 5 V environments |
| High Noise Immunity | Input hysteresis and >100 mA latch-up rating support stable operation in electrically noisy PLC backplanes |
| Clamp Diode Protection | Enables safe connection to signals up to VCC + 0.5 V using external series resistors |
| Industrial Temp Grade | –40 °C to +125 °C qualification confirms reliability in extended ambient conditions |
Applications
| Programmable Logic Controller (PLC) I/O Expansion | Digital Bus Interface Buffering |
|---|---|
Use Scenario: Latching sensor status bits from parallel input modules before serial transmission to CPU. IC Role / Device Role / Timing Role: Octal D-flip-flop providing synchronized, glitch-free capture of 8-bit status words on system clock edge. Use Value: Eliminates metastability during asynchronous signal sampling and ensures deterministic read timing for firmware polling. | Use Scenario: Isolating and retiming data between microcontroller GPIO and external peripheral address/data buses. IC Role / Device Role / Timing Role: Edge-triggered register holding bus data stable during address decode and memory access cycles. Use Value: Prevents bus contention and timing violations caused by skew between control and data signals. |
| Motor Control State Register | Industrial Clock Domain Crossing |
Use Scenario: Storing PWM enable/disable commands and fault flags from safety-critical monitoring logic. IC Role / Device Role / Timing Role: Asynchronously resettable storage element capturing control bits for gate driver enable logic. Use Value: Guarantees immediate shutdown on MR assertion, meeting SIL-2 functional safety response time requirements. | Use Scenario: Synchronizing interrupt request signals from a 1 MHz sensor subsystem into a 100 MHz main processor domain. IC Role / Device Role / Timing Role: Dual-stage synchronizer (using two cascaded 74HC273s) reducing metastability probability below 10⁻⁹ per cycle. Use Value: Enables reliable cross-clock-domain handshaking without dedicated FPGA primitives or custom ASIC logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal D-type flip-flop applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT273D,653 | TTL-compatible inputs (VIH = 2.0 V min); identical pinout and function | Better interoperability with legacy 5 V TTL logic families; slightly higher ICC | Select when interfacing with 74LS or older microcontrollers lacking CMOS-level drive capability |
| SN74HC273PWR | TSSOP20 package (SOT360-1); same electrical specs but smaller footprint and thermal profile | Preferred for space-constrained PCB layouts; requires finer-pitch assembly | Choose for high-density designs where board area is constrained and reflow process supports 0.65 mm pitch |
Compared with 74HC273D,653, the 74HCT273D,653 eases integration with legacy TTL sources but increases static current, while SN74HC273PWR reduces board area at the cost of tighter assembly tolerances and lower thermal mass.
Availability
74HC273D,653 is available at Aetrix Electronics and suitable for industrial automation, programmable logic controllers, and motor control systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74HC273D,653 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
Nexperia is a global semiconductor expert focused on essential efficiency technologies, delivering high-performance logic, discrete, and MOSFET solutions for automotive, industrial, and consumer markets.
The 74HC273 belongs to Nexperia's HC-series high-speed CMOS logic family, designed specifically for low-power, noise-immune digital interfacing and data latching in harsh industrial environments.
FAQ
What is the absolute maximum supply voltage for 74HC273D,653?
The absolute maximum VCC is +7.0 V, but operation above 6.0 V violates recommended conditions and risks permanent damage. Continuous operation must remain within 2.0 V to 6.0 V per Table 5; exceeding this range degrades noise margins and accelerates electromigration in internal traces.
Can the master reset (MR) be used as a synchronous clear?
No - MR is purely asynchronous and active-low; it forces Qn LOW immediately upon assertion, independent of CP timing. For synchronous reset behavior, external gating of Dn inputs or use of a different flip-flop family (e.g., 74HC174) is required.
Does 74HC273D,653 support hot insertion or live swapping?
No - the device lacks hot-swap protection circuitry. Applying VCC or signals before GND stabilization may cause latch-up or ESD damage. Power sequencing per JEDEC JESD8-12 (GND first, then VCC, then signals) is mandatory for reliable field operation.
How does input clamping diode functionality affect external resistor selection?
Clamp diodes allow safe biasing of inputs above VCC if series current is limited to <20 mA (per Table 4). For a 12 V signal interfacing to 5 V VCC, a minimum 350 Ω resistor limits IIK to 20 mA, preventing diode thermal runaway and ensuring reliable overvoltage tolerance.
74HC273D,653 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HC
- Package/Case:
- 20-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Master Reset
- Type:
- D-Type
- Output Type:
- Non-Inverted
- Number of Elements:
- 1
- Number of Bits per Element:
- 8
- Clock Frequency:
- 122 MHz
- Max Propagation Delay @ V, Max CL:
- 26ns @ 6V, 50pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 5.2mA, 5.2mA
- Voltage - Supply:
- 2V ~ 6V
- Current - Quiescent (Iq):
- 8 µA
- Input Capacitance:
- 3.5 pF
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SO
74HC273D,653 FAQ
1.How can I place an order for 74HC273D,653 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HC273D,653 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 74HC273D,653 reliable?
The price and inventory of 74HC273D,653 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HC273D,653 is usually 5 days.
3.What payment methods are accepted for 74HC273D,653?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HC273D,653 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HC273D,653?
74HC273D,653 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HC273D,653 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 74HC273D,653?
For technical support, including 74HC273D,653 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HC273D,653 requirements.
6.How does Aetrix verify that 74HC273D,653 is sourced from the original manufacturer or authorized distributors?
All 74HC273D,653 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 74HC273D,653 meets industry standards.
7.What is the process for return or replacement of 74HC273D,653?
All 74HC273D,653 units undergo pre-shipment inspection (PSI). If there is an issue with 74HC273D,653, 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 74HC273D,653 part is unused and in its original packaging.
Return procedure for 74HC273D,653:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74HC273D,653 Tags
-
SN74HC74DR
Texas Instruments
-
SN74HC74PWR
Texas Instruments
-
74LVC1G74GT,115
Nexperia USA Inc.
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SN74LVC2G74DCUR
Texas Instruments
-
CD4013BM96
Texas Instruments
-
SN74HCT273PWR
Texas Instruments
-
SN74LVC1G74DCUR
Texas Instruments
-
SN74HC574DWR
Texas Instruments
-
74LVC1G74DC,125
Nexperia USA Inc.
-
SN74HC273DWR
Texas Instruments
-
SN74HCT574DWR
Texas Instruments
-
SN74LVC1G74DCTR
Texas Instruments
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