PREMIUM HARD TO FIND PC ITEMS:

SET OF 4 NEW WINBOND W24257AK-15 CACHE MEMORY FOR MOTHERBOARDS RM3-TOPRK USA.  

** USA Seller **  THE ONLY USA LISTING on eBAY ON THIS RARE NEW VINTAGE ITEM!  

OEM ACER FACTORY DIRECT PRODUCT!

USPS GROUND ADVANTAGE

US-RM3-9999-2.6

BUYERS' COMMENTS:

Bought to help upgrade my 486 motherboard to 256k of cache. Chips work great! Ordered another set as it turned out I needed to upgrade the TAG ram too. With both sets, my 486 runs with 256k cache (at 50mhz bus) and got about a 10% speedup. Would buy from seller agsain.
SET OF 4 NEW WINBOND W24257AK-15 CACHE MEMORY FOR MOTHERBOARDS RM3-TOPRK USA

W24257AK-15 Product details


GENERAL DESCRIPTION
The W24257A is a high speed, low power CMOS static RAM organized as 32768 ´ 8 bits that operates on a single 5-volt power supply. This device is manufactured using Winbonds high performance CMOS technology.

FEATURES
• High speed access time: 10/12/15/20 nS (max.)
• Low power consumption: - Active: 400 mW (typ.)
• Single +5V power supply
• Fully static operation
• All inputs and outputs directly TTL compatible
• Three-state outputs
• Available packages: 28-pin 300 mil SOJ, 330 mil SOP, skinny DIP and standard type one TSOP (8 mm ´ 13.4 mm)