DS8005 Datasheet, PDF (19/20 Pages) Maxim Integrated Products – Smart Card Intergace

Smart Card Interface
Typical Application Circuit
V_DD
+3.3V
100nF
33pF
33pF 100nF
MAXQ1103
GPIO
...
...
GPIO
ISO_DATA
XTAL1
CLKDIV1
CLKDIV2
5V/3V
1_8V
RSTIN
CMDVCC
I/OIN
SEL_AB
GPIO
GPIO
OFF
OFF2
GPIO
10μF
XTAL2
GND
V_DD V_DDA2 V_DDA
PRES
V_CCA
INTERFACE A
PRESA
RSTA
CLKA
I/OA
CGND
V_CCB
INTERFACE B
PRESB
RSTB
CLKB
I/OB
PRESB
+3.3V
100kΩ
100nF* 220nF*
100nF* 220nF*
DS8005
100kΩ
*PLACE A 100nF CAPACITOR CLOSE TO THE DS8005 AND PLACE A 220nF CAPACITOR CLOSE TO CARD CONTACT.
+3.3V
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the
package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the
package regardless of RoHS status.
PACKAGE TYPE
28 SO
PACKAGE CODE
W28+1
DOCUMENT NO.
21-0042
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