73S8023C-IM 查看數據表（PDF） - Teridian Semiconductor Corporation

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73S8023C-IM

Smart Card Interface

Teridian Semiconductor Corporation 

DS_8023C_019

73S8023C Data Sheet

Table of Contents

1 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

2 System Controller Interface ............................................................................................................... 7

3 Oscillator.............................................................................................................................................. 8

4 DC-DC Converter – Card Power Supply .......................................................................................... 8

5 Voltage Supervision ........................................................................................................................... 9

6 Power Down....................................................................................................................................... 10

7 Over-Temperature Monitor............................................................................................................... 10

8 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

9 OFF and Fault Detection .................................................................................................................. 14

10 I/O Circuitry and Timing ................................................................................................................... 15

11 Typical Application Schematic ........................................................................................................ 17

12 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

13 Mechanical Drawing (32-QFN) ......................................................................................................... 24

14 Package Pin Designation (32-QFN) ................................................................................................. 25

15 Ordering Information ........................................................................................................................ 26

16 Related Documentation.................................................................................................................... 26

17 Contact Information .......................................................................................................................... 26

Revision History........................................................................................................................................ 27

Rev. 1.5

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