DS8005-RJX 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

DS8005-RJX

Smart Card Interface

Maxim Integrated 

DS8005

Smart Card Interface

Typical Application Circuit

VDD ≥ 4.9V TO SUPPORT 1.8V, 3.0V, AND 5.0V CARDS.

VDD

VDD

100nF

100nF

VDD

33pF

33pF 100nF

XTAL1

MAXQ1103

GPIO

...

...

GPIO

ISO_DATA

CLKDIV1

CLKDIV2

5V/3V

1_8V

RSTIN

CMDVCC

I/OIN

GPIO SEL_AB

GPIO

GPIO

OFF

OFF2

XTAL2

10µF

10µF

GND VDD GND VDDA2 GND VDDA

PRES

VCCA

INTERFACE A

RSTA

CLKA

I/OA

PRESA

CGND

VCCB

INTERFACE B

PRESB

DS8005

RSTB

CLKB

I/OB

PRESB

+3.3V

100kΩ**

100nF* 220nF*

100nF* 220nF*

100kΩ**

+3.3V

*PLACE A 100nF CAPACITOR CLOSE TO THE DS8005 AND PLACE A 220nF CAPACITOR CLOSE TO CARD CONTACT.

**SCHEMATIC ASSUMES A NORMALLY CLOSED CONNECTION TO GROUND IN THE SOCKET. INSERTING A CARD BREAKS THE CONNECTION AND PULLS PRES HIGH.

Package Information

For the latest package outline information and land patterns (footprints), go to www.maximintegrated.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

28 TSSOP

PACKAGE CODE

W28+1

U28+1

OUTLINE NO.

21-0042

21-0066

LAND PATTERN NO.

90-0109

90-0171

www.maximintegrated.com

Maxim Integrated │  19

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