3 4 5 TP1 U1 LTC1799CS5 1 A JP3 2 TP4 INT VBATT 3 TP22 DVCC 15 1 2 3 4 5 6 7 8 9 TP5 TP6 VCCb 1 VCCa VCCb QA QB QC QD QE QF QG QH GND Q'H 2 VCC GND EXT INT DVCC 16 DIV 2 INT 3 G SCLR 2 4 TP3 EXT DVCC C8 0.1uF 10V JP2 EXT VBATT 13 10 EXT 4 SCK RCK SET C2 0.1uF 10V JP1 VCCa B 11 12 GND R1 10K 1% U2 SN74HC595 SER OUT 3 2 3 14 V+ TP21 EXT VBATT 2.7-5.5V 5 1 C1 0.1uF 10V A 1 TP2 EXT CLK 1 2 3 1 GND 17 B TP7 CLKb TP8 CLKa 5 CLKa CLKb 16 6 RSTa RSTb 15 7 I/Oa I/Ob 14 ENABLE 13 TP9 R2 11.5K 1% I/Oa DATA U3 LTC4557EUD M0 ENABLE TP16 CLKin TP17 HD2X7 M1 R4 5.1K 5% TP18 M0 U5 24LC025 R5 5.1K 5% D TP19 TP20 R6 5.1K 5% 1 1 A0 SDA 5 2 A1 Vcc 8 3 C7 0.1uF 10V A2 6 SCLK 7 WP Vss 4 TP28 C5 1.0uF 6.3V TP27 DATA J2 C702-10M008-1214 RSTin 1 2 3 4 S 1 5 6 7 8 S TP26 TP25 CLKin TP24 M1 M0 ENABLE Customer Notice NOTES: UNLESS OTHERWISE SPECIFIED LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY 2 3 D J3 C702-10M008-1214 1 2 3 4 S 5 6 7 8 S CARD B LINEAR TECHNOLOGY CORPORATION Linear Technology Has Made A Best Effort To Design A Circuit That Meets Customer-Supplied Specifications; However, It Remains The Customer's Responsibility To Verify Proper And Reliable Operation In The Actual Application. Component Substitution And Printed Circuit Board Layout May Significantly Affect Circuit Performance Or Reliability. Contact Linear Technology Applications Engineering For Assistance. This Circuit Is Proprietary To Linear Technology And Supplied For Use With Linear Technology Parts. E C6 1.0uF 6.3V TP23 CARD A 1 C 12 RSTin M1 R3 2.2K 1% I/Ob TP14 11 TP15 CLKin 2 4 6 8 10 12 14 + + + + + + + 8 10 + + + + + + + 2 TP12 TP13 RSTin 1 3 5 7 9 11 13 U4 LT1711CMS8 RSTb TP11 DATA 5 4 J1 3 + 7 C - 8 TP10 RSTa 9 C4 0.1uF 10V 6 1 C3 0.1uF 10V 4 1630 McCarthy Blvd. Milpitas, CA. 95035 Phone : (408) 954-8400 Fax : (408) 434-0507 Title E Dual SIM Card Power Supply and Interface Size Document Number Custom DC709A Date: Friday, October 01, 2004 Rev LTC4557EUD Sheet 1 5 of 1