器件名称: AK536256W
功能描述: 1,048,576 Word by 36 Bit CMOS Dynamic Random Access Memory
文件大小: 99.57KB 共2页
简 介:Accutek Microcircuit Corporation
DESCRIPTION
The Accutek AK5361024W high density memory module is a CMOS Dynamic RAM organized in 1024K x 36 bit words. The module consists of eight standard 1 Meg x 4 DRAMsin plastic SOJ packages mounted on the front side of a printed circuit board and four 1 Meg x 1 DRAMs in plastic SOJ packages mounted on the back side of a printed circuit board with a low profile height of only 0.875 inch in a 72 pin leadless SIM configuration. This configuration allows socket-mounting of large quantities of memory in applications where high density and ease of inserting additional memory are important. The operation of the AK5361024W is identical to eight 1 Meg x 4 plus four 1 Meg x 1 DRAMs. There are four CAS lines and two RAS lines. Independent byte control is accomplished by four CAS lines. Each separate CAS line controls two 1Meg x 4 DRAMs, along with a 1 Meg x 1 DRAM with data in tied to data out to form a 9 bit byte. The bank of 36 bits is controlled by the two RAS lines. An eighteen bit data path can be produced by connecting DQ0 to DQ18, DQ1 to DQ19, etc. and alternately strobing RAS0 with RAS2.
+
AK5361024W 1,048,576 Word by 36 Bit CMOS Dynamic Random Access Memory
+
FEATURES
1,048,576 x 36 bit organization Low profile board height of 0.875 inch 72 pad Single In-Line Module Multiple CAS and RAS lines allow x18 or x36 bit widths CAS-before-RAS, RAS-only or hidden refresh Power 7.26 Watt Max Active (60nS) 6.16 Watt Max Active (70 nS) 5.28 W……
