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| 74HC377资料 | |
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74HC377 PDF Download |
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File Size : 116 KB
Manufacturer:TI Description:All units in these Renesas MultiMediaCards are clocked by an internal clock generator. The Interface driver unit synchronizes the DAT and CMD signals from external CLK to the internal used clock signal. The card is controlled by the three line MultiMediaCard interface containing the signals: CMD, CLK, DAT (refer to Chapter Interfaces). For the identification of the MultiMediaCard in a stack of MultiMediaCards, a card identification register (CID) and a relative card address register (RCA) are foreseen. An additional register contains different types of operation parameters. This register is called card specific data register (CSD). The communication using the MultiMediaCard lines to access either the memory field or the registers is defined by the MultiMediaCard standard (refer to Chapter Communication). The card has its own power on detection unit. No additional master reset signal is required to setup the card after power on. It is protected against short circuit during insertion and removal while the MultiMediaCard system is powered up (refer to Chapter Power Supply). No external programming voltage supply is required. The programming voltage is generated on card. |
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型 号：74HC377 厂 家：TI 封 装：SOP7.2 批 号：06+ 数 量：545 说 明： |
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运 费：广东省内10元(平邮),广东省外20元(快递) 所在地：深圳市 新旧程度： |
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| 联系人：黄林锋 |
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