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MCM72BF32中文资料
MCM72BF32数据手册规格书PDF详情
256KB and 512KB BurstRAM™ Secondary Cache Module for Pentium™
The MCM72BF32SG and MCM72BF64SG are designed to provide a burstable, high performance, 256K/512K L2 cache for the Pentium microprocessor. The modules are configured as 32K x 72 and 64K x 72 bits in a 160 pin card edge memory module. Each module uses four of Motorola’s MCM67B518 or MCM67B618 BiCMOS BurstRAMs. All 72 I/Os are series terminated for added noise immunity.
Bursts can be initiated with either address status processor (ADSP) or address status controller (ADSC). Subsequent burst addresses are generated internal to the BurstRAM by the burst advance (ADV) input pin.
Write cycles are internally self timed and are initiated by the rising edge of the clock (K) input. Eight write enables are provided for byte write control.
The cache family is designed to interface with popular Pentium cache controllers with on board tag.
PD0 – PD2 are reserved for density identification.
• Pentium–style Burst Counter on Chip
• Flow–Through Data
• 160 Pin Card Edge Module
• Single 5 V ± 5 Power Supply
• All Inputs and Outputs are TTL Compatible
• Three State Outputs
• Byte Parity, Byte Write Enables
• Fast Module Clock Rates: 66 MHz, 60 MHz
• Decoupling Capacitors for each Fast Static RAM
• High Quality Multi–Layer FR4 PWB With Separate Power and Ground Planes
• I/Os are 3.3 V Compatible
• Burndy Connector, Part Number: CELP2X80SC3Z48
• Series 20 Ω Resistors for Noise Immunity
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MOTOROLA |
2025+ |
TQFP24 |
4675 |
全新原厂原装产品、公司现货销售 |
|||
MOTOROLA |
23+ |
原厂封装 |
9526 |
||||
MOTOROLA |
DIP |
8650 |
一级代理 原装正品假一罚十价格优势长期供货 |
||||
MOTOROLA/摩托罗拉 |
24+ |
CDIP24 |
23000 |
只做正品原装现货 |
|||
MOTOROLA/摩托罗拉 |
25+ |
DIP |
880000 |
明嘉莱只做原装正品现货 |
|||
MOTOROLA/摩托罗拉 |
2447 |
NA |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
|||
MOTOROLA/摩托罗拉 |
2450+ |
DIP |
6540 |
只做原厂原装正品现货或订货!终端工厂可以申请样品! |
|||
MOT |
24+ |
原装正品 |
2250 |
十年品牌!原装现货!!! |
|||
MOT |
85+ |
DIP-24/大体 |
3 |
原装现货海量库存欢迎咨询 |
|||
MOT |
24+ |
DIP24 |
3629 |
原装优势!房间现货!欢迎来电! |
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Motorola, Inc 加尔文制造公司
摩托罗拉(Motorola)是全球集成通讯方案和嵌入电子方案的领导者,该分部目前共有人员约32,000人,分布在制造厂、实验室、技术设计中心及全球销售机构。摩托罗拉Motorola公司的半导体分部设在美国的克萨斯州的Austin。是世界头号嵌入处理器制造商,所生产的嵌入芯片无处不在,从蜂窝电话、桌面电脑、Internet收发器件、打印机、多媒体产品、数码相机到运输核工业应用如安全气囊、卫星全球定位系统,都可以发现嵌入芯片的踪影。它的集成通讯方案包括:软件增强无线电话、two-wayradio、messaging和卫星通讯产品及系统,也包括网络产品和Internet接入产品。