23LC512-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
23LC512-I/SN is a 512 Kbit serial SRAM from Microchip in 8-pin SOIC package, organized as 64K x 8 bits and operating from 2.5 V to 5.5 V via SPI interface. Available with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 23LC512-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5590(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 23LC512-I/SN?
- 512 Kbit (64K x 8) SPI SRAM operating across 2.5 V to 5.5 V supply range for broad compatibility
- SPI interface supporting multiple operating modes including SPI, SDI, and SQI for flexible bus throughput
- 8-pin SOIC package enabling compact PCB footprint in space-constrained embedded designs
What is 23LC512-I/SN used for?
The 23LC512-I/SN is ideal for microcontroller-based systems that require low-cost external RAM expansion without adding complex parallel bus routing. Its SPI interface makes it a direct companion to PIC, AVR, and ARM microcontrollers for buffering sensor data, storing temporary variables, or expanding stack space at 20 MHz SPI clock rates. The 2.5 V to 5.5 V supply range allows seamless integration into both 3.3 V and 5 V systems.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the 23LC512-I/SN datasheet?
23LC512-I/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 23LC512-I/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does 23LC512-I/SN connect to a microcontroller and what SPI clock speeds does it support?
The 23LC512-I/SN uses a standard 4-wire SPI interface with CS, SCK, SI, and SO signals, supporting SPI clock frequencies up to 20 MHz. This enables a full 64 KB read in under 26 ms when operating in sequential mode, which is fast enough for real-time audio buffering or sensor data logging in 8-bit and 32-bit microcontroller systems.
What supply voltage range does 23LC512-I/SN support and how does it fit into 3.3 V versus 5 V designs?
The 23LC512-I/SN operates from 2.5 V to 5.5 V, covering both 3.3 V logic systems used in modern ARM Cortex-M microcontrollers and legacy 5 V PIC and AVR platforms without level shifters. Standby current is typically below 1 µA, making it suitable for battery-powered data logging applications requiring minimal idle power draw.
When is 23LC512-I/SN preferred over an SPI Flash memory device for temporary data storage?
SRAM like the 23LC512-I/SN is preferred over SPI Flash when the application requires unlimited write cycles and byte-level random write access without block erase sequences. Flash memory typically has 100,000-write endurance per sector, while SRAM writes are unrestricted, making the 23LC512-I/SN the right choice for circular buffers, runtime variables, and scratch-pad memory accessed thousands of times per second.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5590 | $0.56 |
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