SNJ54ALS193AJ Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The SNJ54ALS193AJ is a military-grade synchronous 4-bit up/down binary counter from Texas Instruments in a 16-pin ceramic DIP package. It features bidirectional counting at up to 25 MHz with parallel load capability and operates over the full military temperature range of -55°C to 125°C. Available for worldwide shipping with military screening.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SNJ54ALS193AJ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Synchronous bidirectional 4-bit binary counting at up to 25 MHz clock frequency
- Parallel load input enables preset of any count value without clock dependence
- Terminal count output for easy cascade of multiple counters
- Military-grade ceramic DIP-16 package rated from -55°C to 125°C
- ALS family for lower power consumption compared to standard TTL
Applications
The SNJ54ALS193AJ is commonly used in military and aerospace digital systems requiring reliable frequency division, event counting, and sequencing circuits. Its bidirectional counting capability and synchronous parallel load make it well suited for use in address generators, timer circuits, and control logic in harsh-environment applications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Count Direction | BIDIRECTIONAL |
| Family | ALS |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Load/Preset Input | YES |
| Logic IC Type | BINARY COUNTER |
| Max Frequency@Nom-Sup | 25000000Hz |
| Max I(ol) | 0.008A |
| Mode of Operation | SYNCHRONOUS |
| Number of Bits | 4 |
| Number of Functions | 1 |
| 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) | 22mA |
| Prop. Delay@Nom-Sup | 30ns |
| Propagation Delay (tpd) | 27ns |
| 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 | 25MHz |
| 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 is the maximum operating frequency of the SNJ54ALS193AJ?
The SNJ54ALS193AJ supports synchronous counting at up to 25 MHz (25,000,000 Hz), making it suitable for high-speed military and industrial counting applications.
What temperature range does the SNJ54ALS193AJ support?
As a military-grade component, the SNJ54ALS193AJ operates over the full military temperature range of -55°C to +125°C, ensuring reliable performance in harsh environments.
Does the SNJ54ALS193AJ support both up and down counting?
Yes, the SNJ54ALS193AJ is a bidirectional 4-bit synchronous binary counter that supports both up and down counting directions, along with parallel load capability for flexible counter initialization.
What package type does the SNJ54ALS193AJ use?
The SNJ54ALS193AJ comes in a 16-pin ceramic dual-in-line package (Ceramic DIP), which provides excellent reliability and thermal performance suitable for military screening 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.
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