 |
|||||||
|
|||||||
|
|
|||||||
|
|||||||
|
|
| qm20kd1-hb资料 | |
|
qm20kd1-hb |
|
file size : 116 kb
manufacturer:三菱 description:this controller is a full featured floppy disk controller that is software compatible with the mpd765a but also includes many additional hardware and software enhancements these enhancements include additional logic specifically re- quired for an ibm pc pc-xt pc-at or ps 2 design this controller incorporates a precision analog data separa- tor that includes a self trimming delay line and vco up to three external filters are switched automatically depending on the data rate selected this provides optimal perform- ance at the standard pc data rates of 250 300 kb s and 500 kb s it also enables optimum performance at 1 mb s (mfm) these features combine to provide the lowest possi- ble pll bandwidth with the greatest lock range and hence the widest window margin this controller includes write precompensation circuitry a shift register is used to provide a fixed 125 ns early-late precompensation for all tracks at 500k 300k 250 kb s (83 ns for 1 mb s) or a precompensation value that scales with (continued) |
|
| 1pcs | 100pcs | 1k | 10k | ||
|
型 号：qm20kd1-hb 厂 家：三菱 封 装：模块 批 号：06 数 量：301 说 明：优势库存现货 |
|||||
|
运 费： 所在地： 新旧程度： |
|||||
| 联系人：林浩/林妮 |
| 电 话：0755-82532799/82532766/83989559 |
| 手 机：13510168121/13725556003 |
| qq：496982847/351622092 |
| msn：linearic@hotmail.com |
| 传 真：0755-82532766 |
| email：maxim_zi@126.com |
| 公司地址： 深圳市福田区佳和大厦b座1802室 门市部：华强广场 q2a114展销柜 |
凯发vip的版权所有：深圳市浩兴电子有限公司凯发vip的版权所有 凯发vip的技术支持：维库电子市场网
访问统计：
建议使用分辨率:1024*768 凯发在线网站的友情链接
后台管理
