full size clock oscillators ttl/hcmos compatible XO-543 vishay dale document number: 35038 for technical questions contact: frequency@vishay.com www.vishay.com revision: 16-jun-03 1 *include: 25oc tolerance, operating temperature range, input voltage change, aging, load change, shock and vibration. dimensions in millimeters standard electrical specifications p arameter symbol condition XO-543 frequency range f o 1mhz ~ 125.00mhz frequency stability* all condition* 25ppm, 50ppm, 100ppm operating temperature range t opr 0oc ~ 70oc (- 40oc ~ + 85oc option) storage temperature range t stg - 55oc ~ + 125oc power supply voltage v dd 3.3v 10% aging (first year) 25oc 3oc 5ppm supply current i dd 1mhz to 23.999mhz 15ma max 24.000mhz to 49.999mhz 20ma max 50.000mhz to 69.999mhz 30ma max 70.000mhz to 125.000mhz 45ma max output symmetry sym 1/2v dd 40/60%(45/55% option) rise time t r 10%v dd ~ 90%v dd 8 ns max fall time t f 90%v dd ~ 10%v dd 8 ns max output voltage v oh 90% v dd min v ol 10% v dd max output load ttl load 1 ~ 5ttl hcmos load ~ 50m : 30pf ~ 125m : 15pf start-up time ts 10ms max pin 1, tri-state function pin 1 = h or open.... output active at pin 8 pin 1 = l.... high impedance at pin 8 ordering information XO-543 model b frequency stability aa = 0.0025% (25ppm) a = 0.005% (50ppm) b = 0.01% (100ppm) r otr blank = 0c to + 70c r = - 40c to + 85c e enable/disable blank = pin 1 open e = disable or tristate 40m frequency/mhz marking area + 5.0v + 3.3v test point 0.01 f cmos load cl** cl = 15pf or 50pf (see individual spec sheet) hcmos test circuit **includes stray and probe capacitance 0.200 [5.08] max [0.45 0.1] [0.8 0.1] 0.268 [6.80] max pin #1 #7 #8 #14 connection tri-state nc gnd output v dd v oh v ol t r t f 90% v dd 50% v dd 10% v dd gnd t1 t0 = 1/fo symmetry = x 100% t1 t0 hcmos output waveform 0.031 0.003 0.018 0.003 enable/disable function enable enable output (pin 8) input (pin 1) open v ih 2.2 v dc inh enable/disable function #1 #7 #14 #8 0.508 [12.9] max 0.300 0.005 [7.62 0.13] 0.600 0.005 [15.24 0.13] 0.803 [20.4] max a v #14 #1 #8 #7 features ? 14 pin full size ? industry standard ? wide frequency range ? low cost ? tri-state enable/disable ? resistance weld package ? 3.3v the XO-543 series is with 3.3v power supply. the metal package with pin #7 case ground acts as shielding to minimize emi radiation.
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