2008/02/12 ( 1 / 5 ) nju6397 series 3rd. over tone quartz crystal oscillator for 135mhz general description package outline the nju6397 series that is a c-mos ic for quartz crystal oscillator consists of an oscillation amplifier and 3-state output buffer. this series has three types of a, b and c. the frequency range of the a type is from 75 to 90mhz, and the b type is from 90 to 110mhz, and the c type is from 110 to 135mhz. the oscillation amplifier realizes very low oscillation stop current with nand circuit. the 3-state output buffer is c-mos compatible. features pad location operating voltage 2.3 to 3.6v maximum oscillation frequency (see line-up table) high fan-out i oh /i ol = 6ma @v dd =2.5v i oh /i ol = 8ma @v dd =3.3v oscillation stop and output stand-by function 3-state output buffer oscillation capacitors cg and cg on-chip package outline thin-die/wafer c-mos technology line-up table coordinates starting point:chip center unit[um] chip size:0.7x0.75mm thin-die thickness(c-d): 200 20um thin-die thickness(c-l): 140 10um wafer thickness(w-h): 20020um wafer thickness(w-l): 14010um pad size: 90x90um die substrate: v dd level block diagram type no. recommended oscillation frequency output frequency cg/cd a 75 to 90mhz 11/12pf b 90 to 110mhz 9/10pf nju6397 c 110 to 135mhz f 0 8/9pf no pad name x y 1 cont -178 231 2 xt -178 77 3 xt -178 -77 4v ss -178 -231 5f out 206 -231 8v dd 206 231 cont xt xt cg cd rf buffer state 3 ? out f dd v ss v thin-die cont xt v ss f out xt v dd nju6397xc-x
2008/02/12 ( 2 / 5 ) nju6397 series terminal description symbol function cont oscillation and 3-state output buffer control cont f out h or open output frequency f 0 l oscillation stop and high impedance output xt xt quartz crystal connecting terminals v ss v ss =0v f out frequency output v dd v dd =2.5v/3.3v absolute maximum ratings (ta=25 c) parameter symbol rating unit supply voltage v dd -0.5 to +7.0 v input voltage v in v ss -0.5 to v dd +0.5 v output voltage v o -0.5 to v dd +0.5 v input current i in 10 ma output current i o 25 ma operating temperature range topr -40 to +85 c storage temperature range tstg -55 to +125 c note1) if the supply voltage(v dd ) is less than 7.0v, the input voltage must not over the v dd level though 7.0v is limit specified. note2) decupling capacitor should be connected between v dd and v ss due to the stabilized operation for the circuit.
2008/02/12 ( 3 / 5 ) nju6397 series electrical characteristics (ta=25 c) parameter symbol conditions min typ max unit operating voltage v dd 2.3 3.6 v (v dd =2.5v,ta=25 c) parameter symbol conditions min typ max unit a type, fosc=90mhz, c l =15pf 10 20 b type, fosc=110mhz, c l =15pf 10 20 operating current i dd1 c type, fosc=135mhz, c l =15pf 15 30 ma oscillation stopping current i dd2 cont=v ss , no load 2 5 ua stand-by current ist cont=xt=v ss , no load note3) 1 ua v ih 2.0 2.5 v input voltage v il 0 0.5 v i oh v oh =2.2v 6 ma output current i ol v ol =0.3v 6 ma cont=0.8v dd 7.5 12.0 ua input current i in cont=0.2v dd 1.2 2.0 ua 3-state off leakage current i oz cont=v ss , f out = v dd or v ss 0.1 ua a type 3.8 b type 3.8 feedback resistance rf c type 2.9 k ? a type, fosc=90mhz 11/12 b type, fosc=110mhz 9/10 internal capacitor cg/cd c type, fosc=135mhz 8/9 pf a type 90 b type 110 maximum oscillation frequency f max c type 135 mhz output signal symmetry sym c l =15pf, @v dd /2 45 50 55 % output signal rise time tr c l =15pf, 10% to 90% 3 4 ns output signal fall time tf c l =15pf, 90% to 10% 3 4 ns output disable time t plz c l =15pf, r up =10k ? 200 ns output enable time t pzl c l =15pf, r up =10k ? 200 ns note3) excluding input current on cont terminal.
2008/02/12 ( 4 / 5 ) nju6397 series (v dd =3.3v,ta=25 c) parameter symbol conditions min typ max unit a type, fosc=90mhz, c l =15pf 13 25 b type, fosc=110mhz, c l =15pf 13 28 operating current i dd1 c type, fosc=135mhz, c l =15pf 18 35 ma oscillation stopping current i dd2 cont=v ss , no load 5 10 ua stand-by current ist cont=xt=v ss , no load note3) 1 ua v ih 2.3 3.3 v input voltage v il 0 1.0 v i oh v oh =2.97v 8 ma output current i ol v ol =0.33v 8 ma cont=0.8v dd 12.5 18.0 ua input current i in cont=0.2v dd 2.5 3.5 ua 3-state off leakage current i oz cont=v ss , f out = v dd or v ss 0.1 ua a type 3.8 b type 3.8 feedback resistance rf c type 2.9 k ? a type, fosc=90mhz 11/12 b type, fosc=110mhz 9/10 internal capacitor cg/cd c type, fosc=135mhz 8/9 pf a type 90 b type 110 maximum oscillation frequency f max c type 135 mhz output signal symmetry sym c l =15pf, @v dd /2 45 50 55 % output signal rise time tr c l =15pf, 10% to 90% 2 3 ns output signal fall time tf c l =15pf, 90% to 10% 2 3 ns output disable time t plz c l =15pf, r up =10k ? 150 ns output enable time t pzl c l =15pf, r up =10k ? 150 ns note3) excluding input current on cont terminal.
2008/02/12 ( 5 / 5 ) nju6397 series measurement circuits (1)output signal symmetry(c l =15pf) (2)output signal rise/fall time(c l =15pf) (3)output disable/enable time(c l =15pf,r up =10k ? ) [caution] the specifications on this data book are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this data book are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. c l =15pf pulse generato r 1000pf 50 ? v dd v ss xt f out l 1/2v dd h c l =15pf pulse generato r 1000 p f 50 ? v dd v ss xt f out tr tf 90% 10% 50% r up =10k ? c l =15pf pulse generato r 50 ? v dd v ss xt f out cont t plz t pzl 0.2v dd v ol 0.8v dd v oh f out cont
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