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STK15C88-SF25I

Name: STK15C88-SF25I
Rating: 4.7 (12 reviews)

IC NVSRAM 256KBIT PAR 28SOIC

제조업체
Mfr.부분 #STK15C88-SF25I
패키지 28-SOIC
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사양

Package	Tube,Tube
ProductStatus	Obsolete
MemoryType	Non-Volatile
MemoryFormat	NVSRAM
Technology	NVSRAM (Non-Volatile SRAM)
MemorySize	256Kb (32K x 8)
MemoryInterface	Parallel
WriteCycleTime-WordPage	25ns
AccessTime	25 ns
Voltage-Supply	4.5V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	28-SOIC (0.342, 8.69mm Width)

개요

Description

The STK15C88-SF25I is a non-volatile static RAM (SRAM) designed for embedded systems. It offers a memory capacity of 256 Kbit (32 K x 8 bits) and is known for its ability to retain data without a continuous power supply, utilizing a battery-free memory solution based on FRAM technology. This device features fast access times, typically around 70 ns, making it suitable for high-speed applications.
The STK15C88-SF25I operates with a supply voltage of 2.7V to 3.6V and supports standard SRAM interfaces, making it easy to integrate into various microcontroller and microprocessor systems. Its low power consumption and high endurance (with millions of read/write cycles) make it particularly appealing for applications in consumer electronics, automotive systems, and industrial controls. Additionally, the built-in write protection feature enhances data integrity, ensuring reliable operation in demanding environments.

Features

The STK15C88-SF25I is a non-volatile SRAM (Static Random Access Memory) that combines the speed of SRAM with the data retention capabilities of EEPROM. Key features include:
1. Memory Density: Typically offers 1 Mbit (128 K x 8 bits) of memory.
2. Non-Volatility: Retains data without power, utilizing a special process.
3. Speed: Fast access times, usually around 70 ns, suitable for applications requiring quick data retrieval.
4. Interface: Compatible with standard SRAM interfaces, allowing easy integration into existing systems.
5. Low Power Consumption: Designed for low power operation, making it ideal for battery-powered devices.
6. Endurance: Designed for high endurance, supporting numerous write cycles.
7. Temperature Range: Operates effectively across a wide temperature range, ensuring reliability in various environments.
These features make the STK15C88-SF25I ideal for applications such as data logging, industrial control, and telecommunications where non-volatile memory is crucial.

Package

The STK15C88-SF25I is packaged in a 32-pin SOIC (Small Outline Integrated Circuit) package. This type of package is characterized by its small size and surface-mount technology, making it suitable for compact electronic applications.

Pinout

The STK15C88-SF25I is a 32K x 8-bit non-volatile SRAM (NVSRAM) device. It features a total of 28 pins. The key functions of its pins include:
1. Address Pins (A0-A14): 15 address pins for selecting the memory location.
2. Data Pins (D0-D7): 8 data pins for data input and output.
3. Chip Enable (CE): Activates the device for read/write operations.
4. Write Enable (WE): Controls write operations to the memory.
5. Output Enable (OE): Controls the output of data.
6. Vcc: Power supply pin.
7. GND: Ground pin.
8. N.C.: No Connect pins (not used, typically for layout flexibility).
This device combines SRAM speed with non-volatility, making it suitable for applications requiring fast access and data retention without power.

Manufacturer

The STK15C88-SF25I is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that specializes in the design, development, and manufacturing of a wide range of integrated circuits and related electronic components. The company serves various sectors, including automotive, industrial, consumer electronics, and communication. STMicroelectronics is known for its innovation and commitment to high-quality products, focusing on technologies such as microcontrollers, power management devices, and sensors. Established through the merger of SGS Microelettronica and Thomson Semiconducteurs in 1987, STMicroelectronics has a strong presence worldwide, with a robust portfolio catering to diverse applications in the electronics market.

Application

The STK15C88-SF25I is a non-volatile SRAM used in various applications requiring data retention without power. Key areas include industrial automation, automotive systems, telecommunications, consumer electronics, and medical devices. Its features support configurations like data logging, fault tolerance, and settings storage, making it suitable for systems where rapid access and reliability are crucial.

Equivalent

The STK15C88-SF25I is a 512K x 8 SRAM with an integrated real-time clock. Equivalent products include the STK15C88-SF25, STK15C88-SF10, and other similar SRAM with real-time clock functionality. Check with the manufacturer or datasheet for specific compatibility and features.