Hello, Welcome to Dasenic

Rochester Electronics SNJ54ALS191FK Environmental and export classification status description

The Texas Instruments SNJ54ALS191FK is a synchronous, reversible 4-bit binary counter. It features a parallel load capability, an asynchronous master reset, and a count enable input. This IC can operate in either a count-up or count-down mode according to the levels of the count input signals. Functions: - Synchronous 4-bit binary counter - Count-up or count-down operation - Parallel load capability - Asynchronous master reset Applications: - Address decoding applications - Counter applications in digital systems - Frequency division in clock circuitry - Pulse generator circuits - Sequence generation in various electronics projects Alternative Components: - 74HC191: Similar 4-bit binary counter IC - CD40192: Presettable synchronous 4-bit up/down binary counter - CD4516: 4-bit synchronous binary up/down counter - 74LS193: Synchronous 4-bit binary up/down counter Embedded Modules: The SNJ54ALS191FK can be integrated into various electronic systems for counting and sequencing purposes. It can be used in combination with other logic gates and components to implement complex digital circuits. Related Q&A: 1. Q: What is the maximum clock frequency that the SNJ54ALS191FK can handle? A: The maximum clock frequency for this IC typically ranges from 25MHz to 30MHz, depending on the operating conditions. 2. Q: Can I cascade multiple SNJ54ALS191FK ICs to create a larger counter? A: Yes, you can cascade multiple SNJ54ALS191FK ICs to create a larger counter by connecting the carry output of one IC to the count input of the next IC. 3. Q: How does the parallel load feature of the SNJ54ALS191FK work? A: The parallel load feature allows you to load a 4-bit binary value into the counter synchronously by providing the input data on the parallel load inputs and then pulsing the load signal. 4. Q: What is the power supply voltage range for the SNJ54ALS191FK? A: The typical power supply voltage range for this IC is between 4.5V and 5.5V, making it compatible with most standard TTL logic levels. 5. Q: Can the SNJ54ALS191FK be used in both synchronous and asynchronous counting modes? A: Yes, the SNJ54ALS191FK supports both synchronous and asynchronous counting modes, allowing flexibility in the design of digital circuits.