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PIC16F874A-I/ML

PIC16F874A-I/ML资料
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File Size : 116 KB Manufacturer:MICROCHIP Description: For application flexibility, a CAS latency, a burst length, and a burst sequence can be programmed in the SDRAM mode register. The mode set operation must be done before any activate command after the initial power up. Any content of the mode register can be altered by re- executing the mode set command. Both banks must be in precharged state and CKE must be high at least one clock before the mode set operation. After the mode register is set, a Standby or NOP command is required. Low signals of RAS, CAS, and WE at the positive edge of the clock activate the mode set operation. Address input data at this timing defines parameters to be set as shown in the following table.

	1PCS	100PCS	1K	10K
价格


型号：PIC16F874A-I/ML 厂家：MICROCHIP 封装：05+ 批号：1k 数量：说明：


运费：所在地：新旧程度：