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AK8151A Datasheet, PDF (2/7 Pages) Asahi Kasei Microsystems – 60MHz/72MHz 2-output clock generator | |||
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ï¼ï¼ç«¯å説æ
ï¼ï¼ï¼ï¼ç«¯åé
ç½®å³
1:CLKOUTï¼
2:ICLK
3:SEL
4:VDDO1
[AK8151A]
8:VDD
7:GND
6:VDDO2
5: CLKOUT2
ï¼ï¼ï¼ï¼ç«¯åæ©è½èª¬æ
端å
端åå
çªå· (端åã¿ã¤ã)
説æ
ã¯ããã¯åºå端å1
1
CLKOUT1 å
èµPLLã§çæããã60MHzã¾ãã¯72MHzã®ã¯ããã¯ãåºåãã¾ãã
(DO)
åºåå¨æ³¢æ°ã¯SEL端åã§è¨å®ãã¾ãã
åºåé»å§ã¯1.8Vã¾ãã¯3.3Våºåã§ãVDDO1端åã§è¨å®ãã¾ãã
ã¯ããã¯å
¥å端å
2
ICLK
(DI)
27.00MHzã®ã¯ããã¯ãå
¥åãã¦ä¸ããã
1.8Vã¾ãã¯3.3Vå
¥åã§ãã
ãéè¦ãICLKã¯å¸¸ã«å
¥åãã¦ä¸ãããICLKãåæ¢ããã¨ãæå®ã®åºåå¨æ³¢
æ°ä»¥å¤ã®ã¯ããã¯ãCLKOUT1,2ããåºåããã¾ãã
ã¯ããã¯åºåè¨å®ç«¯å
3
SEL
åºåã¯ããã¯ã®å¨æ³¢æ°ãè¨å®ãã¾ãã
(DI)
SEL=Lï¼60MHz, SEL=Hï¼72MHz
1.8Vã¾ãã¯3.3Vå
¥åã§ãï¼200kΩã®ãã«ãã¦ã³æµæå
èµï¼ã
4
VDDOï¼
(PWR)
åºå端åç¨é»æºç«¯åï¼
CLKOUT1端åç¨ã®é»æºç«¯åã§ãã1.8Vã¾ãã¯3.3Vãä¾çµ¦ãã¦ä¸ããã
ã¯ããã¯åºå端å2
5
CLKOUT2 å
èµPLLã§çæããã60MHzã¾ãã¯72MHzã®ã¯ããã¯ãåºåãã¾ãã
(DO)
åºåå¨æ³¢æ°ã¯SEL端åã§è¨å®ãã¾ãã
åºåé»å§ã¯1.8Vã¾ãã¯3.3Våºåã§ãVDDO2端åã§è¨å®ãã¾ãã
6
VDDO2 åºå端åç¨é»æºç«¯åï¼
ï¼PWRï¼ CLKOUT2端åç¨ã®é»æºç«¯åã§ãã1.8Vã¾ãã¯3.3Vãä¾çµ¦ãã¦ä¸ããã
7
GND
æ¥å°ç«¯å
ï¼PWRï¼ 0Vãæ¥ç¶ãã¦ä¸ããã
8
VDD
ã³ã¢ç¨é»æºç«¯å
ï¼PWRï¼ 1.8Vãä¾çµ¦ãã¦ä¸ããã
PWRï¼é»æº
DO ï¼ãã¸ã¿ã«åºå
DI ï¼ãã¸ã¿ã«å
¥å
MS1092-J-00
-2-
2010/1
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