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SCG4521 датащи(PDF) 7 Page - Connor-Winfield Corporation |
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SCG4521 датащи(HTML) 7 Page - Connor-Winfield Corporation |
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7 / 16 page ![]() Advance Data Sheet #: SG036 Page 7 of 16 Rev: A02 Date: 10/25/01 © Copyright 2001 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice Pin Description Table 5 Pin # Pin Name Pin Information Note 1 ENABLE VCXO Enable. (Enable = 0, Disable = 1) 9.0 2 TCK No Connection, Internal Factory Programming Input. 8.0 3 TDO No Connection, Internal Factory Programming Input. 8.0 4 REF A CMOS Reference Frequency Input. (19.44 MHz) 5 SEL AB Input Reference Select Pin. (REFA = 0, REFB = 1) 9.0 6 RESET RESET. (RESET = 1) 9.0 7 REF B CMOS Reference Frequency Input. (19.44 MHz) 8V ee Ground. 9FR status Free Run Status. (FR = 1) 10 V cc Supply Voltage relative to ground. 11 CMOS Output CMOS Output (51.84 MHz) 12 ALARM Loss of Reference / Lock alarm. (Alarm = 1) 13 FR Force Free Run. (Phase Lock = 0, Free Run = 1) 9.0 14 TDI No Connection, Internal Factory Programming Input. 8.0 15 TMS No Connection, Internal Factory Programming Input. 8.0 16 QN LVPECL Complementary Output. 17 V ee Ground. 18 Q LVPECL Output. Circuit Board Footprint Recommendations Figure 6 NOTES 8.0 Do not connect pin 9.0 Input pulled to ground |
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