SN74HC393D Texas Instruments In Stock
SN74HC393D is a dual 4-bit binary ripple counter IC by Texas Instruments, featuring two independent counters with asynchronous master reset. Key specs: 2V–6V supply voltage, 8-bit counting capability (cascadable), 74HC CMOS logic family. From $0.285, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.2850(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HC393D?
- Dual independent 4-bit binary ripple counters in a single package, enabling compact counting circuit design
- Wide supply voltage range of 2V to 6V for compatibility with both 3.3V and 5V logic systems
- Asynchronous master reset pin on each counter for immediate clear without clock dependency
- High-speed 74HC CMOS technology with low power consumption and TTL-compatible inputs
- Cascadable architecture allows chaining multiple devices for extended counting lengths beyond 4 bits
What is SN74HC393D used for?
The SN74HC393D is widely used in digital frequency dividers, pulse counting circuits, and clock generation systems in embedded and industrial electronics. It is commonly found in timer circuits, event counters, and address sequencers within microcontroller-based designs. The device is also suitable for educational and prototyping applications requiring reliable, low-power binary counting with minimal external components.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for SN74HC393D?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the supply voltage range for the SN74HC393D?
The SN74HC393D operates over a supply voltage (VCC) range of 2V to 6V, making it compatible with both 3.3V and 5V digital logic systems. This wide range gives designers flexibility across different platform voltages.
How can I extend counting beyond 4 bits using the SN74HC393D?
The SN74HC393D contains two independent 4-bit binary ripple counters. By cascading the output of one counter stage to the clock input of the next, you can easily achieve 8-bit or longer counting chains, either within the same package or across multiple ICs.
What does the asynchronous master reset do on the SN74HC393D?
Each counter in the SN74HC393D has a dedicated active-high asynchronous master reset (MR) pin. Asserting MR immediately clears all four output bits (QA–QD) to logic 0 regardless of the clock state, enabling fast initialization or error recovery in counting applications.
What package is the SN74HC393D available in and what are common alternatives?
The SN74HC393D comes in a 14-pin SOIC (D) surface-mount package. Pin-compatible alternatives include the SN74HC393N (DIP-14 through-hole), SN74AHC393D (advanced high-speed CMOS), and the 74HC393 from other manufacturers such as NXP and ON Semiconductor.
What are typical applications for the SN74HC393D?
The SN74HC393D is commonly used in digital frequency division, event counting, address generation, clock pulse counting, and timer circuits. Its dual-counter architecture and cascadability make it ideal for both simple and complex counting tasks in embedded systems, industrial controls, and consumer electronics.
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Why Buy from FindMyChip
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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| Qty. | Unit Price | Ext. Price |
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| 1+ | $0.6000 | $0.60 |
| 7+ | $0.4000 | $2.80 |
| 141+ | $0.3563 | $50.24 |
| 562+ | $0.2850 | $160.17 |
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