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Decade and Binary Counters
| Manufacturer : | Littelfuse Inc |
|---|---|
| Package/Case : | dip |
| Product Categories : | Other Components |
| Datasheet: | 7493 Datasheet (PDF) |
| RoHs Status: | Lead free / RoHS Compliant |
| In-stock: | 990 |
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7493 Product Details
The IC 7493 is a 4-bit binary counter integrated circuit made up of four JK Flip Flops. Three of these flip flops are linked, while one stands separately. This setup combines a mod 8 counter with a mod 2 counter, resulting in a mod 16 counter. For more details about this counter pinout, circuit diagram, etc., check the 7493 datasheet or explore the guide.
Feature
Equipped with dual clock inputs.
4-Bit Binary Counter IC.
Standard Operating Voltage stands at 5V.
Accepts input clock frequencies of 32MHz and 16MHz.
Outputs voltages of 3.5V (High) and 0.25V (Low).
Comes in a 14-pin DIP (Dual in-line) configuration.
Synchronous operation: All flip-flops are clocked simultaneously.
Divide-by-2 counter: It can divide the input frequency by 2, making it useful in frequency division applications.
4-bit binary counter: It counts in binary from 0000 to 1111 (0 to 15 in decimal).
Reset functionality: A reset input allows you to clear the counter to a known state.
Decade counter mode: By connecting two 7493 ICs in series, you can create a divide-by-10 counter.
Applications
Serves as a frequency divider and counter, it's used to generate lower frequencies from a higher input frequency and in various counting applications.
Digital clocks: It can be used to create time-based circuits and employed to generate extended time delays.
Widely applied in timing-oriented tasks.
Suitable for certain microcontroller-based projects.
Sequence generation: Useful for creating specific sequences of digital outputs. It is often found in divide-by-2, divide-by-8, and divide-by-16 scenarios.
7493 Equivalent Parts
Functionality
The IC 7493 is a 4-bit counter that increments its count on each positive-going pulse edge. It offers asynchronous reset, allowing you to reset the counter without waiting for a clock pulse. The chip can be configured for binary counting or divide-by-2 and divide-by-8 modes.
Pin Configuration
Pin 1: A (Least Significant Bit)
Pin 2: B
Pin 3: C
Pin 4: D (Most Significant Bit)
Pin 5: Ground
Pin 6: QA (Output)
Pin 7: QB (Output)
Pin 8: QC (Output)
Pin 9: QD (Output)
Pin 10: Clock B
Pin 11: Clock A
Pin 12: Clear (Asynchronous Reset)
Pin 13: Ripple Clock
Pin 14: Vcc (Power Supply)
Usage Guide
Power Supply: Connect Pin 14 (Vcc) to a 5V power supply.
Ground: Make sure Pin 5 is connected to the ground.
Clock Input: Connect your clock pulse to Pin 11 (Clock A) or Pin 10 (Clock B) based on your configuration.
Asynchronous Reset: Pin 12 can be used to reset the counter anytime.
IC 7493 is a versatile 4-bit binary counter ideal for a wide variety of counting and frequency division applications. Whether working on a digital clock, a pulse counter, or a divide-by-N counter, this IC has covered you.
FAQ
What is the function of 7493?
The 7493 is designed for counting and splitting frequencies, which is ideal for generating prolonged delays. Suitable for various applications run on microcontrollers, it excels in halving, eighth-ing, and sixteenth-ing frequencies.
What is the difference between 7490 and 7493?
The 7490 and 7493 differ in their counter capabilities; the former operates as a MOD-10, moving through 10 states, while the latter is a MOD-16, progressing through 16 states.
Technical Parameters
- IC Number
- 7493
- Type
- Ripple Counter
- Number of Counting Stages
- 4
- Binary Counter
- True
- Divider Ratio
- 2, 4, 8, 16, ...
- Clock Input
- Asynchronous
- Output Frequency
- Divided Clock Frequency
- Supply Voltage
- Typically +5V
- Package
- DIP-14, SOIC-16
- Technology
- TTL Logic
7493 Datasheet
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Special Purpose Rotary Switches
7493 Related Products
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2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
FAQ:
- Q: How does Jotrin guarantee that 7493 is the original manufacturer or agent of LITTELFUSE?
- We have a professional business development department to strictly test and verify the qualifications of LITTELFUSE original manufacturers and agents. All LITTELFUSE suppliers must pass the qualification review before they can publish their 7493 devices; we pay more attention to the channels and quality of 7493 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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- Q: Are the LITTELFUSE's 7493 price and stock displayed on the platform accurate?
- The LITTELFUSE's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for 7493, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Yes. We accept offline orders.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days. - Q: What is the process for returns or replacement of 7493?
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the 7493 we delivered, we will accept the replacement or return of the 7493 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of 7493.
(3)The 7493 is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy. - Q: How to contact us and get support, such as 7493 datasheet pdf, Special Purpose Rotary Switches pin diagram?
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