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STK12C68-SF45I

Name: STK12C68-SF45I
Rating: 4.7 (12 reviews)

IC NVSRAM 64KBIT PARALLEL 28SOIC

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製造商。部分 #STK12C68-SF45I
包 SOIC-28
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規格

Package	Tube
ProductStatus	Obsolete
MemoryType	Non-Volatile
MemoryFormat	NVSRAM
Technology	NVSRAM (Non-Volatile SRAM)
MemorySize	64Kb (8K x 8)
MemoryInterface	Parallel
WriteCycleTime-WordPage	45ns
AccessTime	45 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)

概述

Description

The STK12C68-SF45I is a high-performance, low-power CMOS static RAM (SRAM) chip designed for embedded applications. It features a 256K x 8-bit architecture, providing a total storage capacity of 2 megabits. The device operates at a supply voltage of 2.7V to 3.6V, making it suitable for battery-powered systems.
Key features include fast access times (typically around 45 ns), allowing for efficient data retrieval, and a static RAM architecture that eliminates the need for refresh cycles, which is essential for dynamic RAMs. This results in lower power consumption and increased reliability. The chip is available in various package options to accommodate different design requirements.
Applications typically include telecommunications, industrial controls, automotive systems, and consumer electronics, where reliable and fast data storage is critical. The STK12C68-SF45I is particularly valued in environments requiring endurance and longevity, given its non-volatile characteristics and robust design.

Features

The STK12C68-SF45I is a high-performance, low-power SRAM (Static Random Access Memory) device known for its efficient memory storage solutions. Key features include:
1. Memory Capacity: 512 Kbits (64 K x 8 bits).
2. Access Time: Offers fast access times, typically around 45 ns.
3. Operating Voltage: Typically operates at 5V, making it compatible with various systems.
4. Low Power Consumption: Designed for low power operation, suitable for battery-powered devices.
5. Asynchronous Read/Write: Supports asynchronous read and write operations, ensuring quick data retrieval and storage.
6. Simple Interface: Compatible with standard microcontroller interfaces, facilitating easy integration into designs.
This makes the STK12C68-SF45I ideal for applications requiring reliable, fast, and efficient memory solutions, such as in telecommunications, automotive, and consumer electronics.

Package

The STK12C68-SF45I is packaged in a 45-pin TQFP (Thin Quad Flat Package) format. This surface-mount package is designed for compact integration in electronic circuits.

Pinout

The STK12C68-SF45I is a non-volatile SRAM device with a 68-pin package. It features a dual-port architecture, allowing simultaneous access from multiple controllers.
Pin Count: 68 pins
Key Functions:
- Data Input/Output (D/I/O): Pins for data transfer.
- Address Pins: Used to access specific memory locations.
- Control Pins: Include Chip Select (CS), Write Enable (WE), and Read Enable (OE) for memory operations.
- Power Supply Pins: VCC and GND for power connections.
- Non-Volatility: The integrated technology enables data retention without power.
The device is suitable for applications requiring fast data access and storage, like telecommunications and industrial controls. Overall, the STK12C68-SF45I combines high performance with the reliability of non-volatile memory.

Manufacturer

The manufacturer of the STK12C68-SF45I is STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. The company serves various industries, including automotive, industrial, consumer, and telecommunications. STMicroelectronics is known for its innovative technologies and solutions in microcontrollers, analog devices, power management, and digital integrated circuits. It is headquartered in Geneva, Switzerland, and has a significant presence worldwide, focusing on advancing technologies to meet the demands of the rapidly evolving electronics market.

Application

The STK12C68-SF45I is a non-volatile SRAM device primarily used in applications such as automotive systems, industrial automation, telecommunications, and consumer electronics. Its applications include data logging, real-time processing, and storage for critical data in environments where power loss is a concern. The device's fast access time and reliability make it suitable for applications requiring quick data retrieval and integrity.

Equivalent

The STK12C68-SF45I is a non-volatile SRAM chip. Equivalent products include the STK12C68-SF45, STK12C68-SF30, and similar non-volatile SRAMs from other manufacturers like Cypress (e.g., CY14B256K) and Microchip (e.g., SST39VF040). Ensure compatibility by checking specifications such as voltage, speed, and memory size.