SN74LS73ADRIn StockTexas Instruments
Dual J-K flip-flop IC with clear function, featuring 30 MHz max frequency, 15 pF load capacitance, and 8 mA output current. Ideal for sequential logic, counters, and state machines. From $1.16 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74LS73ADR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1592(MOQ 25)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual J-K flip-flop architecture with independent clear inputs for flexible sequential logic design
- High-speed operation up to 30 MHz max frequency, suitable for demanding digital timing applications
- Low-power LS-family logic with 8 mA max output current and 15 pF load capacitance
- Available in compact 14-pin Small Outline Package (SOIC) for space-constrained PCB designs
- RoHS compliant (Pb-free) with 15-year YTEOL, ensuring long-term supply availability
Applications
The SN74LS73ADR is widely used in digital counter circuits, frequency dividers, and state machine implementations where dual J-K flip-flops with synchronous clear are required. It is commonly employed in data storage registers, clock division networks, and sequential control logic in industrial and consumer electronics. The device also serves as a building block for shift registers and toggle-based applications in embedded system designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | LS |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | J-K FLIP-FLOP |
| Max Frequency@Nom-Sup | 30000000Hz |
| Max I(ol) | 0.008A |
| Number of Bits | 2 |
| Number of Functions | 2 |
| Output Characteristics | TOTEM POLE |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 6mA |
| Prop. Delay@Nom-Sup | 20ns |
| Propagation Delay (tpd) | 20ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| 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) | 30 |
| Trigger Type | NEGATIVE EDGE |
| fmax-Min | 13MHz |
| ## SN74LS73ADR Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LS73ADR:
Flip-Flop, LS Series, 2-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, PDSO14
Frequently Asked Questions
What is the maximum operating frequency of the SN74LS73ADR?
The SN74LS73ADR supports a maximum operating frequency of 30 MHz (30,000,000 Hz) at nominal supply voltage, making it suitable for high-speed sequential logic and counter applications in digital systems.
What package type does the SN74LS73ADR come in and how many pins does it have?
The SN74LS73ADR is housed in a 14-pin Small Outline IC (SOIC) package, conforming to JESD-30 code R-PDSO-G14. This surface-mount package is ideal for space-constrained PCB designs and automated assembly processes.
What are the typical applications for the SN74LS73ADR dual J-K flip-flop?
The SN74LS73ADR is commonly used in digital counters, frequency dividers, shift registers, state machines, and data storage registers. Its dual J-K flip-flop with clear function makes it a versatile building block for sequential logic circuits in industrial and consumer electronics.
Is the SN74LS73ADR RoHS compliant and what is its long-term availability?
Yes, the SN74LS73ADR is RoHS compliant with Pb-free (lead-free) construction, indicated by JESD-609 code e4. It has a YTEOL (Years To End Of Life) rating of 15 years, ensuring reliable long-term supply for production and maintenance needs.
What are suitable alternatives or replacements for the SN74LS73ADR?
Compatible alternatives for the SN74LS73ADR include other dual J-K flip-flop ICs such as the 74HC73 (higher speed CMOS), 74HCT73 (TTL-compatible CMOS), and 74F73 (fast TTL). These offer similar pinouts and logic functions with varying speed and power characteristics depending on your application requirements.
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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 |
|---|---|---|
| 25+ | $1.5668 | $39.17 |
| 100+ | $1.4022 | $140.22 |
| 250+ | $1.3250 | $331.24 |
| 1000+ | $1.3000 | $1300.00 |
| 2500+ | $1.1700 | $2925.00 |
| 7500+ | $1.1592 | $8694.15 |
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