SN74HCT273PWIn StockTexas Instruments
SN74HCT273PW is an 8-bit D-type flip-flop with clear, operating at 4.5–5.5V with 20MHz max frequency in a 20-pin TSSOP package. Features 8 independent D flip-flop functions with HCT logic family for TTL-compatible interfacing. From $0.397 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74HCT273PW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3970(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 asynchronous clear for reliable state reset
- HCT logic family ensures full TTL-compatible input thresholds at 5V operation
- 20MHz maximum operating frequency supporting high-speed digital bus interfacing
- Compact 20-pin TSSOP package ideal for space-constrained PCB designs
- 4.5V to 5.5V supply range with 4mA output sink current capability
Applications
The SN74HCT273PW is widely used in digital bus interface applications where data latching and synchronization are required. It suits microprocessor bus buffering, register file implementations, and address/data latching in embedded systems. Its HCT logic compatibility makes it ideal for mixed 5V/TTL environments in industrial control, communication equipment, and consumer electronics designs.
Specifications
| YTEOL | 0 |
| Family | HCT |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 20000000Hz |
| Max I(ol) | 0.004A |
| Number of Bits | 8 |
| Number of Functions | 8 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP20,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 42ns |
| Propagation Delay (tpd) | 42ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| 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 | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 25MHz |
| Package | Small Outline Packages |
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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum operating frequency of the SN74HCT273PW?
The SN74HCT273PW supports a maximum operating frequency of 20MHz (20,000,000 Hz) at nominal supply voltage, making it suitable for high-speed digital bus interfacing and synchronous data latching applications in embedded and industrial systems.
What voltage range does the SN74HCT273PW operate at?
The SN74HCT273PW operates over a supply voltage range of 4.5V to 5.5V. It belongs to the HCT logic family, which is designed for TTL-compatible input thresholds, allowing seamless interfacing between HCT CMOS outputs and TTL-level logic systems.
What package is the SN74HCT273PW available in?
The SN74HCT273PW is available in a 20-pin TSSOP (Thin Shrink Small Outline Package), categorized under Small Outline Packages. This compact surface-mount package is well-suited for space-constrained PCB designs in consumer electronics and industrial equipment.
What are typical applications for the SN74HCT273PW?
Typical applications include microprocessor bus buffering, address and data latching in embedded systems, register file implementations, and digital I/O expansion. The 8-bit width and HCT logic compatibility make it versatile for industrial control, communication interfaces, and mixed-voltage digital designs.
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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+ | $1.1200 | $1.12 |
| 10+ | $0.8070 | $8.07 |
| 46+ | $0.6474 | $29.78 |
| 156+ | $0.5525 | $86.19 |
| 336+ | $0.4834 | $162.42 |
| 505+ | $0.3970 | $200.49 |
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