SN74LS74ANSRIn StockTexas Instruments
SN74LS74ANSR is a dual D-type positive-edge-triggered flip-flop with preset and clear from Texas Instruments, featuring 25 MHz max frequency, 15 pF load capacitance, and 14-pin SOIC package. Ideal for digital logic, data storage, and frequency division applications. From $0.05 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74LS74ANSR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0493(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual D-type positive-edge-triggered flip-flops with independent preset and clear controls
- High-speed operation up to 25 MHz max frequency for demanding digital logic designs
- LS-family TTL logic with 8 mA output sink current and 15 pF load capacitance
- Compact 14-pin SOIC (SOP) package for space-constrained PCB layouts
- RoHS compliant (Pb-free, e4 JEDEC-609) for modern green manufacturing requirements
Applications
The SN74LS74ANSR is widely used in digital logic systems for data storage, shift registers, and frequency division circuits. It is suitable for microprocessor-based control systems, clock synchronization, and sequential logic state machines. The device also finds application in communication equipment, industrial controllers, and consumer electronics requiring reliable edge-triggered flip-flop functionality.
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 | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 25000000Hz |
| Max I(ol) | 0.008A |
| Number of Bits | 1 |
| Number of Functions | 2 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 8mA |
| Prop. Delay@Nom-Sup | 40ns |
| Propagation Delay (tpd) | 40ns |
| Qualification Status | Not Qualified |
| 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 | POSITIVE EDGE |
| fmax-Min | 35MHz |
| 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 SN74LS74ANSR:
Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, TTL, PDSO14
Frequently Asked Questions
What is the maximum operating frequency of the SN74LS74ANSR?
The SN74LS74ANSR operates at a maximum frequency of 25 MHz (25,000,000 Hz) at nominal supply voltage. This makes it suitable for a wide range of digital logic and clocking applications requiring reliable edge-triggered operation.
What package type is the SN74LS74ANSR available in?
The SN74LS74ANSR is available in a 14-pin Small Outline Package (SOIC/SOP), also known by JESD-30 code R-PDSO-G14. This surface-mount package is ideal for compact PCB designs and automated assembly processes.
What are the typical applications for the SN74LS74ANSR dual flip-flop?
The SN74LS74ANSR is commonly used in data storage, shift registers, frequency dividers, clock synchronization circuits, and sequential state machines. It is also used in microprocessor-based systems, communication equipment, and industrial control applications where reliable edge-triggered logic is needed.
Is the SN74LS74ANSR RoHS compliant?
Yes, the SN74LS74ANSR is RoHS compliant. It carries a Pb-free code of 'Yes' and a JESD-609 code of e4, indicating it meets lead-free and halogen-free requirements for modern green electronics manufacturing.
What is a suitable replacement or alternative for the SN74LS74ANSR?
Compatible alternatives for the SN74LS74ANSR include the SN74HC74 (CMOS, lower power, wider voltage range), SN74HCT74 (TTL-compatible CMOS), and SN74ALS74A (advanced low-power Schottky). These are pin-compatible dual D flip-flops with preset and clear, suitable for drop-in replacement in most 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+ | $0.1152 | $0.12 |
| 10+ | $0.0493 | $0.49 |
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