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AK8146B Datasheet, PDF (2/6 Pages) Asahi Kasei Microsystems – 2-output clock generator | |||
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[AK8146B]
1:SEL0
2:VSS
3:VDD
4:CLK1
8:CLKIN
7:VDD
6:SEL1
5:CLK2
ï¼ï¼ï¼ï¼ç«¯åæ©è½èª¬æ
端å
çªå·
端åå
ï¼ã¿ã¤ãï¼
説æ
å
¥åå¨æ³¢æ°é¸æ端å0
1
SEL0
(DI)
SEL1 端 å 㨠å
± ã« ã CLKIN 端 å ã« å
¥ å ã ã 㯠ã ã ã¯ å¨ æ³¢ æ° ã ã
74.25MHz, 74.17582MHz, 60MHzã®ä¸ããä¸ã¤é¸æãã¾ãã
è¨å®ã¯ãä¸è¡¨ãå
¥åå¨æ³¢æ°é¸æããåç
§ãã¦ä¸ããã
2
VSS æ¥å°ç«¯å
(PWR)
3
VDD é»æºç«¯å
(PWR)
4
CLK1
(DO)
ã¯ããã¯åºå端å1
12.0MHzãåºåãã¾ãã
5
CLK2
(DO)
ã¯ããã¯åºå端å2
13.5MHzãåºåãã¾ãã
å
¥åå¨æ³¢æ°é¸æ端å1
6
SEL1
(DI)
SEL0 端 å 㨠å
± ã« ã CLKIN 端 å ã« å
¥ å ã ã 㯠ã ã ã¯ å¨ æ³¢ æ° ã ã
74.25MHz, 74.17582MHz, 60MHzã®ä¸ããä¸ã¤é¸æãã¾ãã
è¨å®ã¯ãä¸è¡¨ãå
¥åå¨æ³¢æ°é¸æããåç
§ãã¦ä¸ããã
7
VDD é»æºç«¯å
(PWR)
8
CLKIN
(DI)
ã¯ããã¯å
¥å端å
SEL0,SEL1端åã§é¸æããå¨æ³¢æ°ãå
¥åãã¾ãã
(74.25MHz, 74.17582MHz, 60MHz)
PWRï¼é»æº DI:ãã¸ã¿ã«å
¥å DO:ãã¸ã¿ã«åºå
å
¥åå¨æ³¢æ°é¸æ
SEL1
SEL0
0
0
0
1
1
0
1
1
å
¥åå¨æ³¢æ°
74.17582MHz (=74.25MHz/1.001)
74.25MHz
æªä½¿ç¨
60.0MHz
MS0994-J-00
-2-
2008/10
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