model name NW34M25WA frequency controlled crystal oscillator (fcxo) clock generator modules co34_080205_NW34M25WA_e1 supply voltage (v cc ) current consumption operating temp. range input level input reference frequency output levels output frequencies (mhz) free-run accuracy (at 25 ? ) capture / pull-in range item model * module markings may be changed without notice. n specifications n dimensions control 1 0 0 1 1 control 2 0 1 0 1 mode of operation lock to ref a lock to ref b forced free-run outputs are tri-stated n control functions sonet, sdh, ftth, communications equipment frequency timing and translation modules n features n main application l dual reference inputs, lvpecl and cmos outputs l simple hardware control for operational mode l automatic free-run upon loss of input reference l lock acquisition time < 1 second +3.3 v dc ?% 200 ma typ 0 to +70? 2-cmos 19.44 mhz* 2(3) lvpecl and 1 cmos 77.76 (lvpecl1, cmos) and 155.52 (lvpecl0)* ?0?0 ?6 max. ?5 ?0 ?6 min. NW34M25WA (*other frequencies are available) mm 2.54 0.15 1.8 0.2 34.3 0.3 25.4 0.3 4.8max 20.4 0.2 2.54 0.2 #20 #19 #18 #17 #16 #15 #14 #13 #12 #11 #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 pad no. #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #15 #16 #17 #18 #19 #20 connection alarm output ref a input dnc ref b input opt (lvpecl 2+) opt (lvpecl 2? vcc gnd lvpecl 1+ lvpecl 1 lvpecl 0+ lvpecl 0 gnd vcc cmos output dnc dnc dnc control 1 control 2 output frequencies (mhz) lvpecl 0 lvpecl 1 lvpecl 2 cmos 155.52 77.76 high-z 77.76 input reference frequency (mhz) 19.44 ordering code NW34M25WA-155.52m-nsa3436a n list of ordering codes new dnc : do not connect
|
