cmos/ 3.0v typ./ 3.2 2.5mm khz range crystal devices digital temperature compensated crystal oscillator surface mount type dtcxo kt3225t series rohs compliant how to order kt3225t 32768 e a w 30 t xx series output frequency frequency stability a no temp. compensated d 3.8 10 - 6 e 5.0 10 - 6 lower temperature a - 40 c c - 30 c e - 20 c upper temperature w + 85 c t + 70 c r + 60 c supply voltage 30 3.0v 33 3.3v 50 5.0v initial frequency tolerance a 5 5 10 - 6 b 0 5 10 - 6 t tcxo option code packaging (tape & reel 3000pcs/ reel) features ? miniature smd type (3.2 2.5 1.0mm) ? built-in 32.768khz d-tcxo ? high frequency stability : 5.0x10 - 6 / - 40 to + 85 c ? low supply current : 1.5 a typ (v dd = 3.0v) ? temperature compensated voltage range : 2.0v to 5.5v applications ? high accuracy time references ? microcontroller with built in rtc specifications item symbol conditions specifications units min. typ. max. nominal frequency f_ nom D 32.768 D khz oscillation output voltage v dd 1.3 3.0 5.5 v temperature compensated voltage v tem 2.0 3.0 5.5 v storage temperature t_ stg - 40 + 25 + 85 c operating temperature t_ use - 40 + 25 + 85 c frequency tolerance D ta = 25 2 c - 3.0 D + 3.0 10 - 6 frequency stability vs temp. fo-tc e : ta =- 40 to + 85 c - 5.0 D + 5.0 10 - 6 frequency stability vs supply voltage df/ fo v dd = 2.0 to 5.5v, ta = 25 2 c - 1.0 D + 1.0 10 - 6 / v frequency aging f _age - 3.0 D + 3.0 10 - 6 low level output voltage v ol i ol =+ 1.0ma, v dd = 3v 0.0 D 0.8 v high level output voltage v oh i oh =- 1.0ma, v dd = 3v 2.2 D 3.0 v low level input voltage v il 0.0 D 0.2 v dd v high level input voltage v ih 0.8 v dd D 5.5 v duty ratio duty cl = 15pf 40 D 60 % rise time tr 20%v dd 80%v dd , cl = 15pf, v dd = 3v D D 100 nsec fall time tf 80%v dd 20%v dd , cl = 15pf, v dd = 3v D D 100 nsec start-up time t_ str ta = 25 c D D 1.0 sec ta =- 40 to 85 c D D 3.0 sec power supply current1 i cc 1 clkoe = v ss D 0.6 2.0 a power supply current2 i cc 2 clkoe = v dd D 1.5 4.0 a output load condition l_cmos cmos output D D 15.0 pf 3.20.2 2.50.2 #1 #2 #3 #4 #7 #8 #6 #5 1.0 max. 0.27 0.7 1.1 pin no function #1 clkoe #2 n.c #3 n.c #4 v ss #5 clkout #6 n.c #7 n.c #8 v dd 0.35 c0.15 0.5 0.4 #7 #8 #6 #5 0.5 0.5 0.45 r0.15 #1 #2 #3 #4 k dimensions (unit: mm) note: a capacitor of value 0.01 f between v dd and gnd is recommended. 0.85 0.55 0.55 0.6 0.6 0.85 0.4 0.4 0.4 1.1 recommended land pattern (unit: mm)
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