SN74LS74ADBRIn StockTexas Instruments
SN74LS74ADBR is a dual positive-edge-triggered D-type flip-flop IC from Texas Instruments. It operates at up to 25 MHz with 15 pF load capacitance, featuring preset and clear inputs for flexible logic control. From $0.3958, available in SOP-14 package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74LS74ADBR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3958(MOQ 25)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual positive-edge-triggered D-type flip-flops with independent preset and clear
- Maximum operating frequency of 25 MHz for high-speed logic applications
- Low output sink current of 8 mA for reliable TTL-compatible interfacing
- Small Outline Package (SOP-14) for compact PCB designs with 35 parametric specs
- RoHS compliant (Pb-free, JESD-609 e4) for green manufacturing requirements
Applications
The SN74LS74ADBR is widely used in digital logic systems requiring reliable data storage and synchronization, such as microcontroller interface circuits, counters, and state machines. Its dual flip-flop design makes it ideal for frequency dividers, shift registers, and clock synchronization circuits in telecommunications and industrial control equipment. The device is also commonly deployed in data latching applications within consumer electronics and embedded systems where compact packaging and TTL compatibility are essential.
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 | SSOP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| 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 | 0.65mm |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum operating frequency of the SN74LS74ADBR?
The SN74LS74ADBR supports a maximum clock frequency of 25 MHz (25,000,000 Hz) at nominal supply voltage with a 15 pF load capacitance, making it suitable for high-speed TTL logic designs in digital systems.
What package does the SN74LS74ADBR use and how many pins does it have?
The SN74LS74ADBR comes in a 14-pin Small Outline Package (SOIC/SOP), designated as R-PDSO-G14 per JESD-30 standards. This compact surface-mount package is ideal for space-constrained PCB designs and automated assembly processes.
Is the SN74LS74ADBR RoHS compliant?
Yes, the SN74LS74ADBR is fully RoHS compliant. It carries a Pb-free code of Yes and JESD-609 code e4, confirming it meets lead-free and environmentally friendly manufacturing standards required for modern electronic products.
What are the typical applications of the SN74LS74ADBR?
The SN74LS74ADBR is commonly used in frequency dividers, shift registers, data latches, state machines, and clock synchronization circuits. Its dual D-type flip-flop configuration with preset and clear inputs makes it versatile for industrial control, telecommunications, and embedded systems applications.
Can the SN74LS74ADBR replace other 74LS74 variants?
The SN74LS74ADBR is pin-compatible with other 74LS74 series devices such as SN74LS74AN (DIP-14) and SN74LS74AD (SOIC-14). It belongs to the LS logic family and can generally replace equivalent dual D-type flip-flop ICs with matching supply voltage and timing requirements, though always verify pinout and electrical characteristics before substitution.
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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+ | $0.6120 | $15.30 |
| 100+ | $0.5385 | $53.85 |
| 250+ | $0.5035 | $125.88 |
| 1000+ | $0.4439 | $443.90 |
| 2000+ | $0.4250 | $850.00 |
| 10000+ | $0.3958 | $3958.00 |
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