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CY7C028V-20AXI

Name: CY7C028V-20AXI
Rating: 4.7 (12 reviews)

IC SRAM 1MBIT PARALLEL 100TQFP

メーカー
Mfr。パート #CY7C028V-20AXI
パッケージ 100-LQFP
データシート
在庫中2601

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仕様

Package	Bulk,Tray
ProductStatus	Obsolete
MemoryType	Volatile
MemoryFormat	SRAM
Technology	SRAM - Dual Port, Asynchronous
MemorySize	1Mb (64K x 16)
MemoryInterface	Parallel
WriteCycleTime-WordPage	20ns
AccessTime	20 ns
Voltage-Supply	3V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	100-LQFP

概要

Description

The CY7C028V-20AXI is a high-performance, asynchronous SRAM (Static Random Access Memory) chip produced by Cypress Semiconductor. It features a 2 Mbit capacity organized as 256K x 8 bits, making it suitable for applications that require fast data access and storage. Operating with a supply voltage of 3.0V to 3.6V, it provides a typical access time of 20 ns, enabling swift read and write operations.
Key features include a low power consumption mode, burst mode access for efficient data handling, and a tri-state output for simplified bus interfacing. It supports both asynchronous read and write operations, providing flexibility for various digital designs. The device is commonly used in applications such as networking equipment, consumer electronics, and automotive systems, where reliable and rapid data processing is critical.
The CY7C028V-20AXI is designed for easy integration into existing systems, given its small footprint and compatibility with standard logic levels.

Features

The CY7C028V-20AXI is a 2M-bit (256K x 8) CMOS SRAM device from Cypress Semiconductor. Its key features include:
- Speed: Access time of 20 ns.
- Operating Voltage: Typically operates at 3.0V to 3.6V, suitable for low-power applications.
- High Density: Offers 2 megabits of storage in a compact package.
- Data Retention: Retains data for extended periods, making it suitable for battery-backed applications.
- Asynchronous Operation: Allows for straightforward interfacing without the need for complex control signals.
- Low Power Consumption: Designed for minimal power usage, enhancing battery life in portable devices.
- Pin Compatibility: Compatible with various other Cypress SRAM products for easy design integration.
- Industrial Temperature Range: Supports a wide temperature range, enhancing reliability in various environments.
These features make the CY7C028V-20AXI ideal for applications in telecommunications, networking, and industrial control systems.

Package

The CY7C028V-20AXI is packaged in a 44-pin Thin Quad Flat No-lead (TQFN) package. This type of package is designed for compact applications, providing a low-profile solution with a smaller footprint on the PCB.

Pinout

The CY7C028V-20AXI is a 2 Megabit (256K x 8) asynchronous SRAM chip with a pin count of 32. This device features a 20 ns access time and operates on a supply voltage of 2.7V to 3.6V.
The key functions of the pins are as follows:
1. Data Pins (D0-D7): 8 data input/output pins.
2. Address Pins (A0-A17): Address input pins used to select one of the 256K memory locations.
3. Chip Select (CS): Active low signal to enable the chip.
4. Output Enable (OE): Active low signal to enable data output.
5. Write Enable (WE): Active low signal to enable writing data to memory.
6. VCC: Power supply pin.
7. VSS: Ground pin.
This SRAM is commonly used in applications requiring fast access times and flexible data storage.

Manufacturer

The CY7C028V-20AXI is manufactured by Cypress Semiconductor Corporation, which is a subsidiary of Infineon Technologies AG. Cypress is known for its development of semiconductor solutions, particularly in the areas of microcontrollers, memory products, and programmable system-on-chip (PSoC) devices. The company focuses on providing innovative solutions for various applications, including consumer electronics, automotive, and industrial sectors. Cypress is recognized for its expertise in memory technologies and embedded systems, contributing to advancements in electronic designs and functionalities.

Application

The CY7C028V-20AXI is a high-performance 2Mb static RAM (SRAM) used in various applications, including networking equipment, telecommunications, data buffering, digital signal processing, and embedded systems. Its fast access times and low power consumption make it suitable for applications requiring high-speed memory, such as video processing, automotive electronics, and industrial control systems.

Equivalent

The CY7C028V-20AXI is a 2M x 8 SRAM chip. Equivalent products include the 74HC257 (if looking for logic function) and other 2M x 8 SRAMs from manufacturers like Micron (MT28F128) and ISSI (IS62WV5128BLL). For specific compatibility, check voltage, timing, and package type. Always verify with the manufacturer's data sheets for exact specifications.