smsc emc1103 product preview revision 2.7 (07-15-08) data brief product features emc1103 sst compliant hardware monitor with three temperature channels general description the emc1103 is a one-wire sensor that is capable of monitoring up to three temperature zones for an intel pc platform containing an sst host. the three temperature zones consist of an internal temperature diode and two externally connected temperat ure diodes. in cooperation with a host device, thermal management and fan control can be performed. communication takes place over a one-wire sst based interface. the internal 11-bit delta- sigma adc architecture provides superb linearity, high accuracy, and excellent noise immunity. applications ? desktop pcs, servers and workstations features ? single wire interface (sst based) sst 1.0 compliant fixed address, di scoverable device nine programmable addresses supports fcs abort functionality not available in sst 0.9 compliant devices ? resistance e rror correction ? ideality configuration ? beta compensation ? two external temperature monitors 0.125c resolution 1c accuracy (50c to 70c) diode fault reporting second external diode confi gured to read a discrete diode. ? internal temperature monitor range -40c to +125c 0.125c resolution 2c accuracy (40c to 70c) ? supply 3.0v to 3.6v simplified block diagram emc1103 internal temp diode switching current configuration register status register external 1 temp register internal temp register 11-bit delta-sigma adc analog mux and anti-alias filter digital mux and byte interlock sst one-wire interface dp1 dn1 dp2 dn2 external 2 temp register sst add1 add0 downloaded from: http:///
order number(s): 80 arkay drive, hauppauge, ny 11788 (631) 435-6000, fax (631) 273-3123 copyright ? 2008 smsc or its subsidiaries. all rights reserved. circuit diagrams and other information relati ng to smsc products are included as a means of illustrating typical applications. consequently, complete information sufficient for construction purposes is not necessarily given. although the information has been checked and is believ ed to be accurate, no re sponsibility is assumed for inaccuracies. smsc reserves the right to make changes to specifications and product descriptions at any time without notice. c ontact your local sm sc sales office to obtain the latest specifications before placing your product order. the provision of this information does not convey to the purchaser of the described semicond uctor devices any licenses under any patent rights or other intellectual property rights of smsc or others. all sales are expressly conditional on your agreement to the te rms and conditions of the most recently dated version of smsc's standard terms of sale agreement dated before the date of your order (the "terms of sale agreem ent"). the pro duct may contain design defects or errors known as anomalies which may cause the product's functions to deviate from published specifi cations. anomaly sheets are availab le upon request. smsc products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. any and all such uses without prior written approval of an officer of smsc and further t esting and/or modification will be fully at the risk of the customer. copies of this document or other smsc literature, as well as the terms of sale agreement, may be obta ined by visiting smscs website at h ttp://www.smsc.com. smsc is a registered trademark of standard microsystems corporation (smsc). produc t names and company names are th e trademarks of their respective holders. smsc disclaims and excludes any and all warranties, including without limitation an y and all implied warranties of merchantabil ity, fitness for a particular purpose, title, and against infringement and the like, and any and all warranties arising from any cou rse of dealing or usage of trade. in no event shall smsc be liabl e for any direct, incidental, indi rect, special, punitive, or cons equential damages; or for lost data, profits, savings or revenues of any kind; regardless of the form of action, whether based on contrac t; tort; negligence of smsc or others; strict liability; breach of warranty; or otherwise; whether or not any remedy of buyer is h eld to have failed of its essential purpose, and whether or no t smsc has been advised of the possibility of such damages. part number features package EMC1103-AIZL-TR external diode 1 c onfigured to monitor 65nm cpu external diode 2 configured to monitor 2n3904 10 pin msop lead-free rohs compliant emc1103-1-aizl-tr external diode 1 configured to monitor 2n3904 external diode 2 configured to monitor 2n3904 10 pin msop lead-free rohs compliant sst compliant hardware monitor with three temperature channels revision 2.7 (07-15-08) 2 smsc emc1103 product preview downloaded from: http:///
sst compliant hardware monitor with three temperature channels revision 2.7 (07-15-08) 3 smsc emc1103 product preview package outline figure 1 emc1103 10-pin msop package drawing a a2 a1 seating plane side view ccc c gauge plane h 3-d view top view c 3 2 end view 4 3 5 detail "a" notes: 1. all dimensions are in millimeter. 2. tolerance on the true position of each lead is 0.04 mm at maximu m material condition. 3. package body dimensions "d" and "e1" do not include mold/inte rlead protrusions or flash. maximum mold protrusions or flash is 0.15 mm (0.0 06 inches) per end and side. dimensions "d" and "e1" are determined at the outermos t extremes of the plastic body, including any mismatch between top and bottom pl astic body. they are determined at datum plane "h". 4. dimensions "b" and "c" apply to the flat section of the lead bet ween 0.08 mm and 0.15 mm from the lead tip. 5. details of the pin 1 identifier are optional, but must be located w ithin the zone indicated. a initial release 3/29/05 s.k.iliev c see detail "a" e d e1 e pin 1 identifier area (d/2 x e1/2) 10x b l (0.95) 0.25 0 - 8 d im an d to l p er a sm e y14.5m - 1994 finish material decimal x.x x.xx x.xxx 80 arkay drive h au p pau g e, n y 11788 usa angular print with "scale to fit" do not scale drawing checked approved name drawn dwg number scale title date std compliance unless otherw ise specified dimensions are in millimeters and to lerances are: third angle projection rev sheet revision description revision history released by date package outline 10 pin tssop, 3x3 mm body, 0.50 mm pitch 1 - - 0.1 0.05 0.025 s.k.iliev s.k.iliev s.k.iliev 3/29/05 3/29/05 1:1 3/29/05 mo-10-tssop-3x3 jedec: mo-187 1 of 1 a c seating plane 4 downloaded from: http:///
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