73S8024C Maxim, 73S8024C Datasheet - Page 3
![no-image](/images/no-image-200.jpg)
73S8024C
Manufacturer Part Number
73S8024C
Description
The 73S8024C is a single smart card interface IC, compliant to the electrical requirements of ISO 7816-3 and EMV 4
Manufacturer
Maxim
Datasheet
1.73S8024C.pdf
(22 pages)
DS_8024C_023
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Revision History ........................................................................................................................................ 22
Figures
Figure 1: 73S8024C Block Diagram ............................................................................................................. 2
Figure 2: Power Down Mode Operation ........................................................................................................ 9
Figure 3: Activation Sequence – RSTIN low when CMDVCC goes low ....................................................... 9
Figure 4: Activation Sequence – RSTIN high when CMDVCC goes low ................................................... 10
Figure 5: Deactivation Sequence ............................................................................................................... 11
Figure 6: Timing Diagram – Management of the Interrupt Line OFF .......................................................... 11
Figure 7: I/O and I/OUC State Diagram ...................................................................................................... 12
Figure 8: I/O – I/OUC Delays: Timing Diagram ........................................................................................... 12
Figure 9: 73S8024C Typical Application Schematic ................................................................................... 13
Figure 10: DC – DC Converter efficiency (V
Figure 11: DC – DC Converter Efficiency (V
Figure 12: 28 Lead SO ................................................................................................................................ 19
Table
Table 1: Choice of VCC Pin Capacitor .......................................................................................................... 7
Rev. 1.3
Pin Description .................................................................................................................................... 4
1.1 Card Interface ............................................................................................................................... 4
1.2 Miscellaneous Inputs and Outputs ................................................................................................ 4
1.3 Power supply and ground ............................................................................................................. 4
1.4 Microcontroller Interface ............................................................................................................... 5
System Controller Interface ............................................................................................................... 6
Oscillator .............................................................................................................................................. 6
DC-DC Converter – Card Power Supply ........................................................................................... 7
Over-temperature Monitor .................................................................................................................. 7
Voltage Supervision ........................................................................................................................... 8
Power Down ......................................................................................................................................... 8
Activation Sequence ........................................................................................................................... 9
Deactivation Sequence ..................................................................................................................... 10
OFF and Fault Detection .................................................................................................................. 11
I/O Circuitry and Timing ................................................................................................................... 12
Typical Application Schematic ........................................................................................................ 13
Electrical Specification ..................................................................................................................... 14
13.1 Absolute Maximum Ratings ........................................................................................................ 14
13.2 Recommended Operating Conditions ......................................................................................... 14
13.3 Card Interface Characteristics .................................................................................................... 15
13.4 Digital Signals ............................................................................................................................. 18
13.5 DC Characteristics ...................................................................................................................... 18
13.6 Voltage / Temperature Fault Detection Circuits .......................................................................... 18
Mechanical Drawings (28-SO) .......................................................................................................... 19
Package Pin Designation (28-SO) ................................................................................................... 20
Ordering Information ........................................................................................................................ 21
Related Documentation .................................................................................................................... 21
Contact Information .......................................................................................................................... 21
Table of Contents
CC
CC
= 5 V) ................................................................................ 16
= 3 V) ................................................................................ 16
73S8024C Data Sheet
3