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| (R) DALC112S1 LOW CAPACITANCE DIODE ARRAY FOR ESD PROTECTION Application Specific Discretes A.S.D.TM MAIN APPLICATIONS Where ESD protection for high speed datalines is required : LAN / WAN equipment Computer I/O Graphic video port Set top box I/O DESCRIPTION ARRAY of 12 diodes configured by cells of 2 diodes, each cell being used to protect signal line from transient overvoltages by clamping action. Its very low capacitance allows to protect fast signals with no distortion. It is particularlysuited for the protection of graphic video ports. FEATURES ARRAYOF 12 DIODESFOR ESDPROTECTION. PEAK REVERSE VOLTAGE VRRM= 18V PER DIODE. VERYLOWCAPACITANCE PERDIODE: C <5pF. VERY LOW LEAKAGE CURRENT : IR < 2 A. I/O 1 SO8 FUNCTIONAL DIAGRAM REF 1 I/O 2 I/O 3 I/O 6 REF 2 COMPLIESWITHTHE FOLLOWINGSTANDARDS : IEC1000-4-2level 3 8 kV (air discharge) 6 kV (contactdischarge) I/O 4 I/O 5 January 1998 - Ed: 4 1/3 DALC112S1 TYPICAL APPLICATION Vcc DALC112S1 ABSOLUTE MAXIMUM RATINGS (Tamb =25C). Symbol VRRM Tstg Tj Parameter Peak reverse voltage per diode Storage temperature range Maximum junction temperature Value 18 -55 to + 150 150 Unit V C C ELECTRICAL CHARACTERISTICS (Tamb = 25C). Symbol VF IR C Forward voltage Reverse leakage current per diode Input capacitance between Line and GND Vcc = 5 V, VRMS = 30 mV, F = 1 MHz (see figure 1 below) Parameter IF = 50 mA VR = 15 V 7 Typ. Max. 1.3 2 Unit V A pF Fig 1 : Input capacitance measurement REF2 I/O G REF1 VCC +VCC connected between REF1 and REF2 Input applied : Vcc = 5V, VRMS = 30 mV, F = 1 MHz 2/3 DALC112S1 ORDER CODE DALC 1 12 S 1 RL Diode Array Low Capacitance RL = tape& reel (2500 pcs). = tube (100 pcs). Version SO8 Package Nb. of Diodes MARKING Type DALC112S1 Marking DALC12 Order Code DALC112S1 DALC112S1RL REF. Packaging (Base Qty) tube (100) tape & reel (2500) DIMENSIONS Millimetres Inches Min. Typ. Max. Min. Typ. Max. 1.75 0.069 0.1 0.35 0.19 0.50 45 (typ) 4.8 5.8 1.27 3.81 3.8 0.4 4.0 1.27 0.15 0.016 5.0 6.2 0.189 0.228 0.050 0.150 0.157 0.050 0.024 0.197 0.244 0.25 1.65 0.48 0.25 0.004 0.014 0.007 0.020 0.010 0.065 0.019 0.010 PACKAGE MECHANICAL DATA SO8 (Plastic) A a1 a2 b b1 C c1 D E e e3 F L M S PACKAGING : Preferred packaging is tape and reel. 0.6 8 (max) Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringementof patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all informationprevious ly supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. (c) 1998 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 3/3 |
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