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23K256T-I/ST

Name: 23K256T-I/ST
Rating: 4.7 (12 reviews)

IC SRAM 256KBIT SPI 20MHZ 8TSSOP

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規格

Part Status	Active
DigiKey Programmable	Not Verified
Memory Type	Volatile
Memory Format	SRAM
Technology	SRAM
Memory Size	256Kbit
Memory Organization	32K x 8
Memory Interface	SPI
Voltage - Supply	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package	8-TSSOP
Base Product Number	23K256
Clock Frequency	20 MHz

概述

Description

The 23K256T-I/ST is a high-performance serial NOR Flash memory chip from Microchip Technology, featuring a 256 Kbit (32 KB) storage capacity. It utilizes the Serial Peripheral Interface (SPI) protocol for efficient data transfer, making it suitable for a variety of applications, including consumer electronics, automotive systems, and industrial devices.
Key features include fast read speeds up to 133 MHz, low power consumption, and the ability to operate across a wide voltage range (2.7V to 3.6V). The device supports multiple modes of operation, including single, dual, and quad I/O, enhancing data throughput further.
Additionally, the chip includes features like sector protection and a hardware write-protect option to ensure data integrity and security. Its compact form factor and ease of integration make it ideal for space-constrained applications. Overall, the 23K256T-I/ST is a versatile and reliable solution for embedded memory needs.

Features

The 23K256T-I/ST is a serial SRAM (Static Random-Access Memory) chip featuring a 256 Kbit storage capacity. It operates with a high-speed SPI (Serial Peripheral Interface) and provides fast read and write cycles, making it suitable for applications requiring quick data access. Key features include:
- Voltage Supply: Operates at 2.7V to 3.6V.
- Access Times: Offers low access times, typically around 70 ns.
- Data Interface: SPI interface facilitates easy integration with microcontrollers.
- Low Power Consumption: Supports low-power modes, making it energy-efficient for battery-operated devices.
- Asynchronous Operation: Allows for quick, non-blocking access to stored data.
- Temperature Range: Suitable for industrial applications with an extended temperature range from -40°C to +85°C.
Overall, the 23K256T-I/ST is ideal for applications in consumer electronics, automotive systems, and industrial controls where reliable and fast memory access is crucial.

Package

The 23K256T-I/ST is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) type package. This package is suitable for surface mounting and offers a compact design for space-constrained applications.

Pinout

The 23K256T-I/ST is a 256 Kbit (32 K x 8) serial CMOS SRAM memory device. It features a total of 8 pins. The pin functions are as follows:
1. VSS: Ground (0V).
2. VDD: Power supply (+2.5V to +5.5V).
3. SCK: Serial clock input.
4. SI: Serial data input.
5. SO: Serial data output.
6. CS: Chip select input (active low).
7. WP: Write protect input (active low).
8. HOLD: Hold input (active low, used to pause communication).
This device operates in SPI (Serial Peripheral Interface) mode, allowing for high-speed data transfer and is suitable for applications requiring fast access memory.

Manufacturer

The manufacturer of the 23K256T-I/ST is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and based in Chandler, Arizona, the company specializes in developing embedded control solutions for a wide range of applications, including automotive, industrial, consumer electronics, and communications. Microchip’s products are known for their reliability and versatility, catering to both low- and high-volume applications. They are also recognized for their commitment to innovation and support for developers, providing comprehensive resources and tools for embedded design.

Application

The 23K256T-I/ST is a 256 Kbit (32 K x 8) serial EEPROM used in various applications, including consumer electronics, smart appliances, automotive systems, and industrial equipment. It provides non-volatile memory for data storage, configuration settings, and firmware updates, making it ideal for applications requiring fast data access and low power consumption. Additionally, it is suitable for data logging, sensor interfacing, and communication protocols in embedded systems.

Equivalent

The 23K256T-I/ST chip is a 256 Kbit SPI Serial SRAM. Equivalent products include the Microchip 23K256, Winbond W25X256, and ISSI IS25LP256. These alternatives provide similar functionalities and specifications, such as storage capacity and SPI interface, but may vary in speed, package type, and voltage. Always check specific datasheets for compatibility.