SN74HC273DWIn StockTexas Instruments
SN74HC273DW is an 8-bit D-type flip-flop with clear from Texas Instruments, operating at 2V to 6V supply voltage with up to 21 MHz max frequency. Features 20-pin SOIC package, 50 pF load capacitance, and 5.2 mA output current. From $0.31 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74HC273DW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3103(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit D-type flip-flop with active-low asynchronous clear for reliable state initialization
- Wide supply voltage range of 2V to 6V enabling use in mixed-voltage systems
- High-speed operation up to 21 MHz max frequency suitable for bus interface applications
- 20-pin SOIC package with 50 pF load capacitance and 5.2 mA output drive current
- HC/UH logic family ensuring CMOS compatibility and low power consumption
Applications
The SN74HC273DW is widely used in digital systems for data bus buffering and storage, microcontroller interface circuits, and register-based data latching. It is ideal for address and data bus demultiplexing in embedded systems, industrial control units, and communication equipment. Its wide voltage range and high-speed operation also make it suitable for signal processing pipelines and FPGA peripheral circuits.
Specifications
| YTEOL | 0 |
| Additional Feature | DUMMY VAL |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 21000000Hz |
| Max I(ol) | 0.0052A |
| Number of Bits | 8 |
| Number of Functions | 8 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 200ns |
| Propagation Delay (tpd) | 200ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 28MHz |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74HC273DW:
Flip-Flop, HC/UH Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
D Flip-Flop, HC/UH Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
Frequently Asked Questions
What is the supply voltage range and maximum operating frequency of SN74HC273DW?
The SN74HC273DW operates from a supply voltage range of 2V to 6V, making it compatible with both 3.3V and 5V logic systems. Its maximum operating frequency is 21 MHz at nominal supply, and it supports a load capacitance of up to 50 pF, making it suitable for high-speed digital bus applications.
What package does SN74HC273DW use and what are its pin count and dimensions?
The SN74HC273DW comes in a 20-pin SOIC (Small Outline Integrated Circuit) package, identified by JESD-30 code R-PDSO-G20. This surface-mount package is compact and ideal for PCB designs requiring high component density. It is RoHS-compliant per JESD-609 code e4.
What are common applications for the SN74HC273DW?
The SN74HC273DW is commonly used as a bus interface register in microprocessor and microcontroller systems, data storage in digital logic circuits, address latching in memory interface designs, and output buffering in industrial control and communication equipment. Its 8-bit width makes it efficient for byte-wide data path applications.
What is a suitable alternative or replacement for SN74HC273DW?
Compatible alternatives to SN74HC273DW include the 74HC273 series from NXP Semiconductors, ON Semiconductor, and STMicroelectronics, all of which share the same 8-bit D flip-flop with clear architecture. Ensure the replacement matches the same supply voltage range (2V–6V), pin count (20-pin SOIC), and logic family (HC) for a drop-in substitute.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.6205 | $0.62 |
| 21+ | $0.3750 | $7.88 |
| 41+ | $0.3723 | $15.26 |
| 162+ | $0.3103 | $50.27 |
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