| 术语 | bipolar programmable read-only memory |
| 释义 | bipolar programmable read-only memory 双极型可编程只读存储器［PROM］;［双极可规划仅读记忆器］ A storage in which there are fusible links that can be opened to allow the user to configure the data pattern. Once programmed, however, the contacts cannot be restored to their initial state. Bipolar PROMs offer very fast access time and provide an economical means for changing programs “in-house” by replacing an old PROM with a newly programmed unit. Bipolar PROMs have access times in the 50 nanosecond and 90 nanosecond region. 一种存储器,其中存在若干可熔断的熔丝连接线,允许用户打开它以配置特定的数据模 式。然而一旦编好程序之后,熔断的接点就不能恢复到它们的原先状态。双极型PROM提供了 很快的存取时间,通过用新的编好程序的PROM代替旧的PROM,就可以为用户自己改变机内程 序提供一个经济的手段。双极型PROM的存取时间在50—90毫微秒的范围内。 |
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