73S8023C Maxim, 73S8023C Datasheet - Page 2

• 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

73S8023C Data Sheet
FUNCTIONAL DIAGRAM
2
XTALOUT
CMDVCC
CLKDIV1
CLKDIV2
CLKOUT
AUX1UC
AUX2UC
PWRDN
XTALIN
RSTIN
5V/3V
IOUC
GND
OFF
NC
CS
18
19
31
22
29
30
23
24
32
26
27
28
4
21
8
5
XTAL
OSC
VDD VOLTAGE SUPERVISOR
VDD
VOLTAGE REFERENCE
20
GENERATION
FAULT LOGIC
CIRCUITRY
CLOCK
DIGITAL
Figure 1: 73S8023C Block Diagram
&
VDDF_ADJ
ICC I/O BUFFERS
17
SEQUENCER
Int_Clk
ISO-7816-3
V
DD
OSC.
FAULT
R-C
TEMP FAULT
V
I
CC
CC
FAULT
FAULT
CONVERTER
LIN
ICC CLOCK
ICC RESET
6
BUFFER
BUFFER
DC-DC
OVER
TEMP
2
VDD
6
3
DS_8023C_019
25
16
7
1
12
15
14
13
6
9
11
10
Rev. 1.5
STROBE
CLKSEL
PRES
PRES
GND
GND
VCC
I/O
AUX1
AUX2
RST
CLK