SNJ54F109J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54F109J is a dual J-K positive-edge-triggered flip-flop with asynchronous clear and preset from Texas Instruments, based on the F/FAST bipolar logic family. It operates up to 70 MHz clock frequency with 1 mA output current and supports two independent state storage elements. Housed in a 16-pin ceramic DIP package, it is qualified for military applications from -55°C to 125°C.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54F109J Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.5868(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual J-K positive-edge-triggered flip-flops with independent clear and preset inputs
- F/FAST bipolar logic family: high-speed operation up to 70 MHz
- Asynchronous clear (CLR) and preset (PRE) for direct state control
- Military-grade ceramic 16-pin DIP package rated -55°C to 125°C
- 1 mA output drive current per flip-flop channel
Applications
The SNJ54F109J is used in military digital systems for state machine design, frequency division, and synchronous sequential logic. Its dual J-K architecture with asynchronous clear and preset makes it suitable for counter design, register initialization circuits, and data synchronization logic in high-reliability defense and aerospace electronics.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | F/FAST |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | J-KBAR FLIP-FLOP |
| Max Frequency@Nom-Sup | 70000000Hz |
| Max I(ol) | 0.001A |
| Number of Bits | 2 |
| Number of Functions | 2 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 17mA |
| Prop. Delay@Nom-Sup | 10.5ns |
| Propagation Delay (tpd) | 10.5ns |
| Qualification Status | Not Qualified |
| Screening Level | MIL-PRF-38535 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 70MHz |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What triggers the SNJ54F109J flip-flop?
The SNJ54F109J is a positive-edge-triggered flip-flop, meaning its output state changes on the rising edge of the clock signal. It also supports asynchronous clear and preset inputs for immediate state initialization regardless of the clock.
What is the maximum clock frequency of the SNJ54F109J?
The SNJ54F109J supports a maximum clock frequency of 70 MHz, enabled by its F/FAST bipolar logic family architecture, making it suitable for high-speed sequential logic and frequency division applications.
What temperature range does the SNJ54F109J operate over?
The SNJ54F109J is rated for operation from -55°C to 125°C, meeting full military temperature grade specifications for use in avionics, defense communications, and harsh-environment industrial systems.
What package does the SNJ54F109J come in?
The SNJ54F109J is housed in a 16-pin ceramic dual-in-line (CDIP) package, which provides hermetically sealed protection and excellent thermal stability for military-qualified electronic assemblies.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $14.3802 | $14.38 |
| 3+ | $10.5455 | $31.64 |
| 8+ | $9.5868 | $76.69 |
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