SN74HC273DW Texas Instruments Integrated Circuit (Other) In Stock
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
What are the key features of SN74HC273DW?
- 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
What is SN74HC273DW used for?
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.
What are the specifications of SN74HC273DW?
| 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 |
Where can I find the SN74HC273DW datasheet?
SN74HC273DW Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74HC273DW?
Compatible alternatives and drop-in replacements for SN74HC273DW:
Flip-Flop, HC/UH Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
Flip-Flop, HC/UH Series, 1-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
D Flip-Flop, HC/UH Series, 1-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
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.
Related Guides
LM5156QDSSRQ1 Automotive Boost Controller Design Guide
Practical LM5156QDSSRQ1 automotive boost design guidance covering operating points, magnetics, MOSFET stress, compensation, layout, and validation.
Jul 24, 2026
EEEFK1H470XP Selection Guide: Choosing a 50 V SMD Aluminum Capacitor
Choose EEEFK1H470XP and related 50 V SMD aluminum capacitors by capacitance, ripple current, ESR, life, and layout constraints.
Jul 24, 2026
LM5156QDSSRQ1 Automotive Boost Controller Selection Guide
Select LM5156QDSSRQ1 for automotive boost, SEPIC, or flyback designs using practical current, thermal, EMI, and sourcing criteria.
Jul 23, 2026
EEEFK1H470XP 50 V SMD Capacitor Decoupling Design Guide
Design EEEFK1H470XP into 12 V and 24 V rails with practical voltage margin, ripple, lifetime, layout, and mixed-capacitor checks.
Jul 23, 2026
Why Buy from FindMyChip
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.
More from Texas Instruments
| 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 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit