73S8023C Maxim, 73S8023C Datasheet - Page 3

• Manufacturer Part Number: 73S8023C
• Description: The 73S8023C is a single smart card interface IC, compliant to the electrical requirements of ISO 7816-3, EMV 4
• Manufacturer: Maxim

DS_8023C_019
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Revision History ........................................................................................................................................ 27
Rev. 1.5
Pin Description .................................................................................................................................... 5
1.1 Card Interface ............................................................................................................................... 5
1.2 Miscellaneous Inputs and Outputs ................................................................................................ 5
1.3 Power Supply and Ground ............................................................................................................ 5
1.4 Microcontroller Interface ............................................................................................................... 6
System Controller Interface ............................................................................................................... 7
Oscillator .............................................................................................................................................. 8
DC-DC Converter – Card Power Supply .......................................................................................... 8
Voltage Supervision ........................................................................................................................... 9
Power Down ....................................................................................................................................... 10
Over-Temperature Monitor ............................................................................................................... 10
Activation and Deactivation ............................................................................................................. 11
8.1 Activation Sequence (Synchronous Mode) ................................................................................ 11
8.2 Deactivation Sequence (Synchronous Mode) ............................................................................ 11
8.3 Activation Sequence (Asynchronous Mode) ............................................................................... 12
8.4 Deactivation Sequence (Asynchronous Mode) .......................................................................... 14
OFF and Fault Detection .................................................................................................................. 14
I/O Circuitry and Timing ................................................................................................................... 15
Typical Application Schematic ........................................................................................................ 17
Electrical Specification ..................................................................................................................... 18
12.1 Absolute Maximum Ratings ........................................................................................................ 18
12.2 Recommended Operating Conditions ......................................................................................... 18
12.3 Package Thermal Parameters .................................................................................................... 18
12.4 Card Interface Characteristics .................................................................................................... 19
12.5 Digital Signals ............................................................................................................................. 22
12.6 DC Characteristics ...................................................................................................................... 23
12.7 Voltage / Temperature Fault Detection Circuits .......................................................................... 23
Mechanical Drawing (32-QFN) ......................................................................................................... 24
Package Pin Designation (32-QFN) ................................................................................................. 25
Ordering Information ........................................................................................................................ 26
Related Documentation .................................................................................................................... 26
Contact Information .......................................................................................................................... 26
Table of Contents
73S8023C Data Sheet
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