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IS62C256AL-45TLI

Name: IS62C256AL-45TLI
Rating: 4.7 (12 reviews)

IC SRAM 256KBIT PAR 28TSOP I

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規格

Part Status	Active
DigiKey Programmable	Not Verified
Memory Type	Volatile
Memory Format	SRAM
Technology	SRAM - Asynchronous
Memory Size	256Kbit
Memory Organization	32K x 8
Memory Interface	Parallel
Write Cycle Time - Word, Page	45ns
Access Time	45 ns
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	28-TSSOP (0.465", 11.80mm Width)
Supplier Device Package	28-TSOP I
Base Product Number	IS62C256

概述

Description

The IS62C256AL-45TLI is a high-performance CMOS static RAM (SRAM) chip, featuring a memory capacity of 32 kilobits (256 Kbits) organized as 32K x 8 bits. It operates at a speed of 45 nanoseconds, making it suitable for applications requiring fast data access. The device is commonly used in telecommunications, networking, and consumer electronics due to its low power consumption and high reliability.
Key features include a wide operating voltage range of 2.7V to 5.5V, a low standby current, and a simple interface with asynchronous read and write operations. The chip is available in a standard 28-pin DIP or surface-mount packages, making it easy to integrate into various designs. Its compatibility with common bus protocols facilitates integration into both new and existing systems. The IS62C256AL-45TLI is ideal for applications requiring temporary data storage, cache memory, or buffering in embedded systems.

Features

The IS62C256AL-45TLI is a high-performance CMOS static RAM (SRAM) with the following key features:
1. Memory Size: 32K x 8 bits (256 Kbits).
2. Access Time: 45 ns, providing fast data access.
3. Supply Voltage: Operates at 5V, suitable for low-power applications.
4. Low Power Consumption: Designed for minimal power usage, ideal for battery-operated devices.
5. Asynchronous Operation: Supports read and write operations without needing a clock signal.
6. Tri-state Outputs: Allows for easy interfacing with other devices and buses.
7. Wide Operating Temperature: Functional in temperatures from 0°C to 70°C (commercial grade).
8. Pin Configuration: 28-pin DIP (Dual In-line Package) or SOIC (Small Outline IC) for flexible integration.
9. Single Cycle Read/Write: Ensures efficient data transfer with a single cycle operation.
These features make the IS62C256AL-45TLI suitable for various applications, including networking, telecommunications, and consumer electronics.

Package

The IS62C256AL-45TLI is packaged in a 28-pin, Dual In-Line Package (DIP).

Pinout

The IS62C256AL-45TLI is a 32K x 8-bit Static RAM (SRAM) chip. It has a total of 28 pins. The primary functions of these pins include:
1. Address Pins (A0 to A14): 15 pins used to select one of the 32,768 memory locations.
2. Data Pins (D0 to D7): 8 pins for data input/output.
3. Chip Enable (CE): Activates the chip for read or write operations.
4. Output Enable (OE): Controls the output drivers; when asserted, it allows data to be output on the data pins.
5. Write Enable (WE): Controls write operations; when asserted, it allows data to be written to the selected address.
6. Vcc: Power supply pin.
7. GND: Ground pin.
The IS62C256AL-45TLI is commonly used in applications requiring fast access memory, such as cache memory and digital signal processing.

Manufacturer

The IS62C256AL-45TLI is manufactured by Integrated Silicon Solution, Inc. (ISSI). ISSI is a semiconductor company that specializes in the design and production of high-performance memory products, including SRAM, DRAM, and Flash memory. Founded in 1988 and headquartered in Sunnyvale, California, ISSI serves various markets such as consumer electronics, automotive, industrial, and telecommunications. The company is known for its focus on innovation and quality in memory solutions.

Application

The IS62C256AL-45TLI is a CMOS static RAM chip used in various applications, including data storage, caching, and buffering in digital systems. Its low power consumption and fast access times make it suitable for portable devices, telecommunications, and embedded systems. Additionally, it is often utilized in networking equipment, automotive electronics, and consumer electronics, where reliable and quick data retrieval is essential.

Equivalent

The IS62C256AL-45TLI is a 256K-bit static RAM chip. Equivalent products include:
1. CY7C199 - Cypress Semiconductor
2. MT48LC256 - Micron Technology
3. W24257 - Winbond
4. AS6C256K32 - Amscope
5. NM93C56 - NXP Semiconductors
Always verify pin compatibility and electrical specifications before substitution.