SN74F109NIn StockTexas Instruments
SN74F109N is a dual J-K positive-edge-triggered flip-flop IC with clear and preset. Features 90 MHz max frequency, 50 pF load capacitance, and 20 mA output current. From $0.13, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN74F109N Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1320(MOQ 50)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual J-K positive-edge-triggered flip-flop with independent clear and preset inputs
- High-speed F/FAST logic family with 90 MHz maximum operating frequency
- TTL-compatible 16-pin DIP package with 50 pF load capacitance support
- 20 mA output sink current for driving standard TTL loads
- Pb-free (e4) compliant, suitable for RoHS applications
Applications
The SN74F109N is widely used in digital logic design for state machines, counters, and frequency dividers where reliable edge-triggered operation is essential. It is suitable for data synchronization and pipeline registers in microprocessor-based systems, industrial controllers, and communication equipment. Its high-speed F/FAST family characteristics make it ideal for timing-critical applications requiring fast propagation delays.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | F/FAST |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | J-KBAR FLIP-FLOP |
| Max Frequency@Nom-Sup | 90000000Hz |
| Max I(ol) | 0.02A |
| Number of Bits | 2 |
| Number of Functions | 2 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 19mA |
| Prop. Delay@Nom-Sup | 9.2ns |
| Propagation Delay (tpd) | 9.2ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 100MHz |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia, Mexico |
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 SN74F109N?
The SN74F109N supports a maximum operating frequency of 90 MHz (90,000,000 Hz), making it suitable for high-speed digital logic applications. This is achieved with a 50 pF load capacitance and standard TTL supply voltage of 5V.
What are the typical applications for the SN74F109N?
The SN74F109N is commonly used in state machines, counters, frequency dividers, data registers, and pipeline stages. Its dual J-K flip-flop design with clear and preset inputs makes it ideal for digital control systems, microprocessor interfaces, and communication equipment requiring reliable edge-triggered clocking.
What package type does the SN74F109N come in?
The SN74F109N is available in a 16-pin Dual-In-Line Package (DIP), designated as R-PDIP-T16 per JESD-30 standard. This through-hole package is suitable for prototyping, industrial, and legacy board designs requiring easy manual soldering.
Is the SN74F109N RoHS compliant?
Yes, the SN74F109N is Pb-free and carries JESD-609 code e4, indicating it meets RoHS lead-free requirements. It is suitable for environmentally compliant designs and modern manufacturing processes.
What is the output current specification of the SN74F109N?
The SN74F109N has a maximum output low current (I_OL) of 20 mA (0.02 A), allowing it to drive standard TTL and CMOS logic loads directly. This ensures reliable signal integrity in multi-load bus configurations.
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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 |
|---|---|---|
| 50+ | $0.2681 | $13.41 |
| 188+ | $0.1547 | $29.08 |
| 648+ | $0.1320 | $85.54 |
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