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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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78P2344JAT датащи(PDF) 13 Page - Teridian Semiconductor Corporation |
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78P2344JAT датащи(HTML) 13 Page - Teridian Semiconductor Corporation |
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13 / 37 page  78P2344JAT 4-port E3/DS3/STS-1 LIU with Jitter Attenuator Page 13 of 37 2005 Teridian Semiconductor Corporation Rev 2.2 PIN DESCRIPTION LEGEND TYPE DESCRIPTION TYPE DESCRIPTION A Analog Pin CIT CMOS 3-State Input CI CMOS Digital Input CO CMOS Digital Output CIU CMOS Digital Input w/ Pull-up COZ CMOS Tristate Digital Output CID CMOS Digital Input w/ Pull-down S Supply CIS CMOS Schmitt Trigger Input G Ground TRANSMITTER PINS NAME PIN TYPE DESCRIPTION TPOSx 23, 31 39, 47 CI Transmit Positive Data/Transmit NRZ: When ENDECB =’1’, a logic one on this pin generates a positive AMI pulse on the coax. This pin should not be high at the same time that corresponding TNEGx is high. When ENDECB =’0’, data on this pin is encoded and converted into positive and negative AMI pulses. TNEGx 24, 32 40, 48 CI Transmit Negative Data: When ENDECB =’1’, a logic one on this pin generates a negative AMI pulse on the coax. This pin should not be high at the same time that corresponding TPOSx is high. When ENDECB =’0’, this pin is ignored. TCLKx 25, 33 41, 49 CIS Transmitter Clock Input: This signal is used to latch the respective TPOSx and TNEGx signals into the 78P2344JAT. LOUTPx LOUTNx 98, 92 85, 79 99, 93 86, 80 A Line Out: Differential AMI Outputs. Requires a 1:2CT center-tapped transformer and a shunt termination resistor. See APPLICATION INFORMATION section for more info. |
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