23LCV1024-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip 23LCV1024-I/SN is a 1 Mbit SPI serial SRAM with a separate I/O interface operating at up to 20 MHz clock in an SOIC-8 package. It delivers 8-bit wide data access for high-speed temporary data storage in microcontroller-based embedded systems. Available worldwide in standard SOIC-8 format for industrial and consumer applications requiring fast external RAM expansion.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 23LCV1024-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.1500(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 23LCV1024-I/SN?
- 1 Mbit (128 KB) serial SRAM with SPI interface operating at up to 20 MHz for fast random access data storage
- Separate I/O (SDI/SDO) pins enable full-duplex SPI communication, maximizing throughput in burst-mode transfers
- Low standby current with battery-backed data retention capability for non-volatile-like SRAM applications
What is 23LCV1024-I/SN used for?
The 23LCV1024-I/SN provides fast external RAM expansion for microcontrollers with limited on-chip SRAM in embedded data acquisition, industrial control, and IoT gateway designs. Its 20 MHz SPI interface enables streaming 8-bit data from ADCs, sensors, or communication buffers directly into the 128 KB memory space without stalling the host processor. The SOIC-8 package and simple 4-wire SPI connection make it straightforward to add substantial RAM to any SPI-capable microcontroller platform.
What are the specifications of 23LCV1024-I/SN?
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 32Weeks |
| YTEOL | 14 |
| Clock Frequency-Max (fCLK) | 20MHz |
| I/O Type | SEPARATE |
| JESD-30 Code | R-PDSO-G8 |
| Memory Density | 1048576bit |
| Memory IC Type | STANDARD SRAM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 131072words |
| Number of Words Code | 128000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 128KX8 |
| Output Characteristics | 3-STATE |
| Output Enable | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Qualification Status | Not Qualified |
| Standby Current-Max | 0.00001A |
| Standby Voltage-Min | 2.5V |
| Supply Current-Max | 0.01mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Thailand |
Where can I find the 23LCV1024-I/SN datasheet?
23LCV1024-I/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 23LCV1024-I/SN?
Compatible alternatives and drop-in replacements for 23LCV1024-I/SN:
Frequently Asked Questions
What is the memory capacity of the 23LCV1024-I/SN, and how does it expand a typical microcontroller system?
The 23LCV1024-I/SN provides 1 Mbit (128 KB) of SPI SRAM, which can double or quadruple the working memory of popular 32 KB to 64 KB SRAM microcontrollers. This additional memory space enables larger data buffers for communication stacks, audio or sensor data logging, and complex algorithm working arrays without upgrading to a higher-cost processor.
At what SPI clock frequency does the 23LCV1024-I/SN operate, and what data transfer rates does this support?
The 23LCV1024-I/SN supports SPI clock frequencies up to 20 MHz. At 20 MHz with 8-bit transfers in SPI Mode 0 or Mode 3, the device achieves peak throughput of approximately 2.5 MB/s, sufficient for streaming audio data at 16-bit 44.1 kHz or logging 8-channel ADC data at rates exceeding 100 kSPS per channel.
How does the separate I/O architecture of the 23LCV1024-I/SN differ from shared MOSI/MISO in SPI SRAM performance?
The 23LCV1024-I/SN uses separate SDI and SDO pins rather than a shared bidirectional data line, enabling true full-duplex SPI operation. During sequential read operations, the host can send the next address command on SDI while simultaneously receiving read data on SDO, reducing bus idle cycles and improving burst throughput by up to 25% compared to half-duplex SPI memory implementations.
Is the 23LCV1024-I/SN suitable for data retention during power loss in battery-backed system designs?
Yes, the 23LCV1024-I/SN supports battery-backed data retention with very low standby current, allowing the 128 KB SRAM contents to be preserved during main supply interruptions using a small backup coin cell or supercapacitor. This makes it suitable for event loggers and industrial controllers that must retain last-known state data across power cycles without the write-endurance limits of EEPROM or flash.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.3481 | $2.35 |
| 1000+ | $2.2900 | $2290.00 |
| 10000+ | $2.1500 | $21500.00 |
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