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W9725G6KB-25

Name: W9725G6KB-25
Rating: 4.7 (12 reviews)

IC DRAM 256MBIT 84-WBGA

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Mfr。パート #W9725G6KB-25
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仕様

Part Status	Not For New Designs
Base Product Number	W9725G6
DigiKey Programmable	Not Verified
Memory Type	Volatile
Memory Format	DRAM
Technology	SDRAM - DDR2
Memory Size	256Mbit
Memory Organization	16M x 16
Clock Frequency	400 MHz
Write Cycle Time - Word, Page	15ns
Voltage - Supply	1.7V ~ 1.9V
Operating Temperature	0°C ~ 85°C (TC)
Mounting Type	Surface Mount
Package	84-TFBGA
Supplier Device Package	84-WBGA (8x12.5)
Packaging	Tray
Access Time	57.5 ns

概要

Description

The W9725G6KB-25 is a high-performance DRAM memory chip produced by Winbond Electronics. It is a DDR2 (Double Data Rate 2) synchronous dynamic random-access memory, designed for a variety of applications, including computer systems, networking, and embedded devices. With a density of 2 Gb (gigabits), this chip features a 16-bit data width and supports a clock frequency of 400 MHz, allowing data transfer rates of up to 800 MT/s (megatransfers per second).
The "-25" designation indicates a timing specification, meaning the chip operates with a maximum latency of 25 nanoseconds. It utilizes a 1.8V power supply, making it energy-efficient compared to older DRAM technologies. The device is typically packaged in a 66-pin TSOP (Thin Small Outline Package) format, suitable for surface mounting on PCBs (printed circuit boards).
The W9725G6KB-25 is widely used in consumer electronics, such as laptops, desktops, and other devices requiring reliable and fast memory solutions.

Features

The W9725G6KB-25 is a high-performance DRAM memory chip manufactured by Winbond. It features a 256M-bit (32MB) density and utilizes a DDR2 SDRAM architecture, operating at a clock speed of 400 MHz with a data rate of 800 MT/s. The chip comes in a 60-ball TFBGA package, enabling compact designs. Its low power consumption is a significant advantage, operating at a voltage of 2.5V. The W9725G6KB-25 supports a 64-bit data bus, ensuring efficient data transfer rates suitable for various applications, including consumer electronics, networking devices, and mobile applications. Additionally, it includes built-in features like on-chip refresh and various power-saving modes to enhance performance while reducing energy usage. Its compatibility with standard DDR2 interfaces makes it an ideal choice for upgrading memory in compatible systems.

Package

The W9725G6KB-25 is a DRAM memory chip packaged in a 54-pin TSOP II (Thin Small Outline Package). This compact package type is designed for high-density memory applications, providing efficient thermal management and space-saving benefits.

Pinout

The W9725G6KB-25 is a DRAM chip with a pin count of 54. It is a DDR2 SDRAM (Double Data Rate 2 Synchronous Dynamic Random Access Memory) device designed for high-performance applications.
The primary functions of the W9725G6KB-25 include data storage and retrieval, offering features like low power consumption, high-speed data access, and compatibility with various memory controllers. It operates at a clock speed of up to 400 MHz, with a data rate of 800 MT/s (million transfers per second), making it suitable for use in computers, servers, and other electronic devices requiring efficient memory solutions.
The chip typically includes pins for power (VDD, VSS), data lines (DQ0-DQ7), control signals (CS, RAS, CAS, WE), and address lines (A0-A12), among others, necessary for its operation and data communication.

Manufacturer

The W9725G6KB-25 is manufactured by Winbond Electronics Corporation, a Taiwanese company. Winbond specializes in the design and production of semiconductor products, including memory chips such as DRAM and Flash memory. Founded in 1987, Winbond is known for its innovations in memory technology and serves various markets, including consumer electronics, automotive, and industrial applications. The company focuses on providing high-performance and cost-effective memory solutions, contributing significantly to the global semiconductor industry.

Application

The W9725G6KB-25 is a 512Mb DDR2 SDRAM memory chip, commonly used in various applications including consumer electronics, computing devices, networking equipment, and automotive systems. Its features support high-speed data processing, making it suitable for laptops, desktop computers, gaming consoles, and embedded systems. Additionally, it’s used in applications requiring efficient memory solutions for performance-intensive tasks.

Equivalent

The W9725G6KB-25 chip, a 256Mb DDR2 SDRAM, has several equivalent products including the Micron MT47H256M8, Samsung K4T1G164QE, and Hynix HYMD264G6AFR. These alternatives offer similar specifications such as capacity, speed, and voltage, making them suitable replacements in compatible applications. Always check the specific datasheets for detailed compatibility.