all rights reserved. no part of this document may be cop ied or reproduced in any form without the prior written permission of micrel, inc. micrel in c. may update or make changes to the contents, products, programs or services described at any t ime without notice. this document neither states nor im plies any kind of warranty, including, but not limited to implied warranties of merchantability or fitness for a particu lar use. page 1 dsc1004 1.8~3.3v low-power precision cmos oscillator mk -q-b-p-d- 0830 10 - 02 -4 general description the dsc 100 4 is a silicon mems based cmos oscillator offering excellent jitter and stability performance over a wide range of supply voltages and temperatures . the device operates from 1 to 150mhz with supply voltages between 1.8 to 3.3 volts and extended temperatures from -40oc to 10 5oc. the dsc1004 has the same functionality and performance as the dsc1001 but with greater output drive (c l < 40 pf). the dsc1004 incorporates an all silicon resonator that is extremely robust and nearly immune to stress related fractures, common to crystal based oscillators. without sacrificing the performance and stability required of todays systems, a crystal-less design allows for a higher level of reliability, making the dsc1004 ideal for rugged , industrial, and portable applications where stress, shock, and vibration can damage quartz crystal based systems. available in industry standard packages, the dsc1004 can be dropped - in to the same pcb footprint as standard crystal oscillators. block diagram standby# pfd vco frac-n pll resonator output v dd gnd (pin1) standby# pfd vco frac-n pfd vco frac-n pll resonator output v dd gnd (pin1) features ? frequency range: 1 to 150mhz ? exceptional stability over temperature o 10 ppm , 25 ppm, 50 ppm ? operating voltage o 1.7 to 3.6v ? operating temperature range o ext. industrial -40oc to 10 5oc o industrial -40oc to 85oc o ext. commercial -20oc to 70oc o commercial 0oc to 70oc ? low operating and standby current o 8ma operating (40mhz) o 15 ua standby ? ultra miniature footprint o 2.5 x 2.0 x 0.85 mm o 3.2 x 2.5 x 0.85 mm o 5.0 x 3.2 x 0.85 mm o 7.0 x 5.0 x 0.85 mm ? excellent shock and vibration resistance ? lead free, rohs & reach svhc compliant benefits ? pin for pin d rop in replacement for industry standard oscillators ? semiconductor level reliability, significantly higher than quartz ? short mass production lead-times ? longer battery life / reduced power ? compact plastic package ? cost effective applications ? mobile applications ? consumer electronics ? portable electronics ? ccd clock for vtr cameras ? low profile applications ? industrial downloaded from: http:///
all rights reserved. no part of this document may be cop ied or reproduced in any form without the prior written permission of micrel, inc. micrel in c. may update or make changes to the contents, products, programs or services described at any ti me without notice. this document neither states nor imp lies any kind of warranty, including, but not limited t o implied warranties of merchantability or fitness for a particu lar use. page 2 mk -q-b-p-d- 0830 10 - 02 -4 dsc1004 1.8~3.3v low -power precision oscillator absolute maximum ratings 1 item min. max unit condition input voltage -0.3 vdd+0.3 v junction temp - +150 c storage temp - 55 +150 c so ldering temp - +260 c 40 sec max. esd hbm mm cdm - 4000 200 1500 v ordering code recommended operating conditions specifications ( vdd = 1.8 to 3.3v) t a =85 0 c unless otherwise specified notes: 1. absolute maximum ratings are those values beyond which the saf ety of the device cannot be guaranteed. the device should not be operated beyond these limits. 2. t su is time to stable output frequency after v dd is applied. t su and t en (after en is asserted) are identical values. 3. measured over 50k clock cycles. parameter symbol range supply voltage v dd 1. 7 C 3.6v output load z l r>10k , c 40 pf operating temperature option 1 option 2 option 3 option 4 t -40 to +105 c - 40 to +85 c - 20 to +70 c 0 to +70 c parameter symbol condition min typ max unit frequency f 0 single frequency 1 150 mhz frequency tolerance f includes frequency variations due to initial tolerance, temperature and power supply voltage 10,25,50 ppm aging f 1 year @ 25c 5 ppm supply current, standby i dd t=25c 15 ua output startup time 2 t su t= 25c 1. 0 1. 3 ms output disable time t da 20 100 ns output duty cycle sym 45 55 % input logic levels input logic high input logic low v ih v il 0.75*v dd - - 0.25* v dd volts dsc1004 032.0000 family output freq 1.0 to 150mhz ce1 package, temp & stability - t tape/ reel * see ordering information for details downloaded from: http:///
all rights reserved. no part of this document may be cop ied or reproduced in any form without the prior written permission of micrel, inc. micrel in c. may update or make changes to the contents, products, programs or services described at any ti me without notice. this document neither states nor imp lies any kind of warranty, including, but not limited t o implied warranties of merchantability or fitness for a particu lar use. page 3 mk -q-b-p-d- 0830 10 - 02 -4 dsc1004 1.8~3.3v low -power precision oscillator vdd = 1.8v vdd = 2.5v vdd = 3.3v parameter symbol condition min typ max unit supply current, no load i dd c l =0p r l = t= 25c 1mhz 27 mhz 70 mhz 150mhz 5.9 6.7 8.1 10.6 6.2 7.1 8.5 11.9 ma output logic levels output logic high output logic low v oh v ol -6 ma 6 ma 0.8 *v dd - - 0.2 *v dd volts output transition time rise time fall time t r t f c l = 40 pf; t= 25c 20%/80%*v dd 1. 4 1. 1 3 3 ns output transition time rise time fall time t r t f c l = 40 pf; t= 25c 1 0%/ 90%*v dd 2. 2 1. 8 4 4 ns period jitter j p f = 100mhz 3 10 15 ps rms parameter symbol condition min typ max unit supply current, no load i dd c l =0p r l = t= 25c 1mhz 27 mhz 70 mhz 150mhz 6.1 7.2 8.9 12.2 6.4 7.5 9.4 13.9 ma output logic levels output logic high output logic low v oh v ol -6 ma 6 ma 0.9 *v dd - - 0.1 *v dd volts output transition time rise time fall time t r t f c l = 40 pf; t= 25c 20%/80%*v dd 1. 0 0.9 2 2 ns output transition time rise time fall time t r t f c l = 40 pf; t= 25c 1 0%/ 90%*v dd 1. 7 1.5 3.5 3 ns period jitter j p f = 100mhz 3 5 10 ps rms parameter symbol condition min typ max unit supply current, no load i dd c l =0p r l = t= 25c 1mhz 27 mhz 70 mhz 150mhz 6.2 7.6 10.0 14.4 6.5 8.0 10.5 16.6 ma output logic levels output logic high output logic low v oh v ol -8 ma 8 ma 0.9 *v dd - - 0.1 *v dd volts output transition time rise time fall time t r t f c l = 40 pf; t= 25c 20%/80%*v dd 0.8 0. 8 2 2 ns output transition time rise time fall time t r t f c l = 40 pf; t= 25c 10%/90%*v dd 1. 4 1. 3 3 3 ns period jitter j p f = 100mhz 3 5 10 ps rms downloaded from: http:///
all rights reserved. no part of this document may be cop ied or reproduced in any form without the prior written permission of micrel, inc. micrel in c. may update or make changes to the contents, products, programs or services described at any ti me without notice. this document neither states nor imp lies any kind of warranty, including, but not limited t o implied warranties of merchantability or fitness for a particu lar use. page 4 mk -q-b-p-d- 0830 10 - 02 -4 dsc1004 1.8~3.3v low -power precision oscillator output waveform standby function standby# (pin 1) output (pin 3) hi level output on open (no connect) output on low level high impedance test circuit 0.01uf v dd 40pf i dd *v sd 4 1 2 3 *v sd = standby# logic level input v oh v ol v il 1/f o output standby# t da t en t f t r v ih downloaded from: http:///
all rights reserved. no part of this document may be cop ied or reproduced in any form without the prior written permission of micrel, inc. micrel in c. may update or make changes to the contents, products, programs or services described at any ti me without notice. this document neither states nor imp lies any kind of warranty, including, but not limited t o implied warranties of merchantability or fitness for a particu lar use. page 5 mk -q-b-p-d- 0830 10 - 02 -4 dsc1004 1.8~3.3v low -power precision oscillator board layout (recommended) solder reflow profile package dimensions 7.0 x 5.0 mm plastic package msl 1 @ 260 c refer to jstd-020c ramp-up rate (200 c to peak temp) 3 c/sec max. preheat time 150 c to 200 c 60 -180 sec time maintained above 217 c 60 -150 sec peak temperature 255-260 c time within 5 c of actual peak 20 -40 sec ramp-down rate 6 c/sec max. time 25 c to peak temperature 8 min max. 60 -150 sec 20 - 40 sec 60 -180 sec 8 min max pre heat reflow cool time temperature ( c) 3c/sec max. 6c/sec max. 200 c 217 c 150 c 25 c 260 c 3c/sec max. 60 -150 sec 20 - 40 sec 60 -180 sec 8 min max pre heat reflow cool time temperature ( c) 3c/sec max. 6c/sec max. 200 c 217 c 150 c 25 c 260 c 60 -150 sec 20 - 40 sec 60 -180 sec 8 min max pre heat reflow cool time temperature ( c) 3c/sec max. 6c/sec max. 200 c 217 c 150 c 25 c 260 c 3c/sec max. pin terminal vdd standby# output gnd #1 #2 #3 #4 7.00.10 [0.2760.004] 5.00.10 [0.1970.004] external dimensions #4 #3 5.08 [0.2] #2 #1 1.2 [0.047] 1.4 [0.055] 0.850.05 [0.0330.002] recommended land pattern* 1.4 [0.055] 1.4 [0.055] 5.08 [0.200] units: mm [inch] no. 4 1 3 2 0. 2 [0.008] 2.6 [0.102] 2.6 [0.102] 0.2 [0.008] 2. 2 [0.087] 3. 5 [0.138] o o o o o o 0. 2 [0.008] *note: the center pad is not connected internally and should be left un- connected or tied to gnd. downloaded from: http:///
all rights reserved. no part of this document may be cop ied or reproduced in any form without the prior written permission of micrel, inc. micrel in c. may update or make changes to the contents, products, programs or services described at any ti me without notice. this document neither states nor imp lies any kind of warranty, including, but not limited t o implied warranties of merchantability or fitness for a particu lar use. page 6 mk -q-b-p-d- 0830 10 - 02 -4 dsc1004 1.8~3.3v low -power precision oscillator 5.0 x 3.2 mm plastic package 3.2 x 2.5 mm plastic package pin terminal vdd standby# output gnd #1 #2 #3 #4 50.10 [0.1970.004] 3.20.10 [0.1260.004] external dimensions #4 #3 2.54 [0.100] #2 #1 0.9 [0.035] 1.2 [0.047] 0.850.05 [0.0330.002] recommended land pattern 1.1 [0.043] 1.2 [0.047] 2.54 [0.100] units: mm [inch] no. 4 1 3 2 0. 2 [0.008] 0. 1 [0.004] 2.1 [0.083] 1.2 [0.047] 0. 1 [0.004] pin terminal vdd standby# output gnd 0.850.05 [0.0330.002] recommended land pattern #1 #2 #3 #4 3.20.05 [0.1260.002] 2.50.05 [0.0980.002] #4 #3 #2 #1 0.80.1 [0.0310.004] 0.90.05 [0.0350.002] co.25 1.0 [0.039] 0.9 [0.035] 2.1 [0.083] no. 4 1 3 2 2.1 [0.083] external dimensions units: mm [inch] 0.9 [.035] 0.9 [0.035] 0.2 [0.008] downloaded from: http:///
all rights reserved. no part of this document may be cop ied or reproduced in any form without the prior written permission of micrel, inc. micrel in c. may update or make changes to the contents, products, programs or services described at any ti me without notice. this document neither states nor imp lies any kind of warranty, including, but not limited t o implied warranties of merchantability or fitness for a particu lar use. page 7 mk -q-b-p-d- 0830 10 - 02 -4 dsc1004 1.8~3.3v low -power precision oscillator 2.5 x 2.0 mm plastic package ordering information dsc1004 pts C xxx.xxxx t part numbering guide package (plastic qfn) temperature stability frequency packing option p=a: 7.0x5.0mm p=b: 5.0x3.2mm p=c: 3.2x2.5mm p=d: 2 .5 x2.0 mm t= c: 0 o ~ +70 o c t=e: - 20 o ~ +70 o c t=i: - 40 o ~ +85 o c t=l: - 40 o ~ +105 o c s=1: 50ppm s=2: 25ppm s= 5 : 10 ppm xxx.xxxx blank: tubes - t: tape & reel example: dsc1004ce1 C 123.0000t the example part number above is a 123.0000mhz oscillator in plastic 3.2x2.5mm package, with 50ppm stability over an operating temperature of -20 to +70 o c, shipped in tape and reel. disclaimer: micrel makes no representations or warranties with respect to the accur acy or completeness of the information furnished in this data sheet. this in formation is not intended as a warranty and micrel does not assume responsibility for its use. micrel re serves the right to change circuitry, specifications and descriptions at any time without notice. no license, whether express, implied, arising by estoppel or otherwise, to any in tellectual property rights is granted by this document. except as provided in micrel s terms and conditions of sale for such products, micrel assumes no liability whatsoever, and micrel disclaims any express or implied warranty relating to the sale and/or use of micrel products including liability or warranties relating to fitness for a particula r purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. micrel, inc. 2180 fortune drive, san jose, california 95131 usa phone: +1 (408) 944-0800 fax: +1 (408) 474 -1000 email: hbwhelp@micrel.com www.micrel.com pin terminal vdd standby# output gnd 0.850.05 [0.0330.002] recommended land pattern #1 #2 #3 #4 2.50.05 [0.0980.002] 2.00.05 [0.0790.002] #4 #3 #2 #1 0.650.10 [0.0260.004] 0.650.05 [0.0260.002] co.25 0.85 [0.033] 0.65 [0.026] 0.7 [0.028] 1.65 [0.065] no . 4 1 3 2 0.7 [0.028] 1.65 [0.065] external dimensions units: mm [inch] 0. 2 [0.008] downloaded from: http:///
|
