5 4 3 VCCA 1.8V/3.0V GND E1 E2 E10 CLKA C5 0.1uF 10V CLKA 21 RSTB 19 1 2 3 4 S C6 1uF 10V 0402 1 2 3 J1 C702-10M008-1214 GND VCCB 5 DVCC RSTA D 0402 VBATT 4 6 GND E7 C3 0.1uF 10V 0402 VCCA RSTA E6 1 DVCC C1 1uF 10V 0402 U1 VCCB 1.8V/3.0V GND E5 0402 1 2 3 4 S CARD A E8 E4 C2 0.1uF 10V 0402 J2 C702-10M008-1214 5 6 7 8 S DVCC 1.4V - 5.5V E3 C4 0.1uF 10V D VBATT 2.7V - 5.5V 2 5 6 7 8 S CARD B E9 RSTB E11 E12 7 I/OA I/OA CLKB 20 CLKB E13 E14 8 DATA C DATA I/OB 18 I/OB C E15 RSTIN 9 RSTIN ENABLEB 17 10 CLKIN VSELB 16 R3 100K 1% R4 100K 1% CLKRUNB 15 CLKRUNA CSEL 14 11 R2 100K 1% 13 R1 100K 1% VSELA E17 GND 12 CLKIN ENABLEA E16 LTC4558EUD R5 100K 1% R6 100K 1% R7 100K 1% R8 100K 1% R9 100K 1% B B DVCC E18 ENABLEA JP1 JP2 JP3 JP4 JP5 JP6 HI HI HI HI HI HI HI LO LO LO LO LO LO LO E19 E20 E21 E22 E23 E24 VSELA CSEL CUSTOMER NOTICE 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. A LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY 5 4 3 CLKRUNA CLKRUNB JP7 ENABLEB VSELB CONTRACT NO. APPROVALS DRAWN M.MERCHANT DATE 4/9/07 TECHNOLOGY A TITLE LTC4558EUD Dual SIM/Smart Card with Power Supply and Interface CHECKED APPROVED ENGINEER M.MERCHANT DESIGNER Friday, June 08, 2007 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 4/9/07 SIZE CAGE CODE SCALE: 2 FILENAME: DWG NO REV A DC1263A SHEET 1 1 OF 1