73S8024RN Data Sheet
FUNCTIONAL DIAGRAM
VDD
21 [20] {12}
VDDF_ADJ
18 [17]
NC
5 [2,9,16,25,32]
VPC
6
6 [3] {2}
DS_8024RN_020
V
PC
FAULT
{13} [21] 22
GND
DIGITAL POWER SUPPLY
VDD VOLTAGE SUPERVISOR
VOLTAGE REFERENCE
V
DD
FAULT
V
CC
FAULT
I
CC
FAULT
{10} [18] 19
CMDVCC
{11} [19] 20
RSTIN
{20} [31] 3
5V/3V
{14} [22] 23
OFF
{18} [29] 1
CLKDIV1
{19} [30] 2
CLKDIV2
{15} [23] 24
XTALIN
{16} [24] 25
XTALOUT
[4] 7
CLKSTOP
[5] 8
CLKLEV
{17} [26] 26
I/OUC
[27]
AUX1UC
27
[28]
AUX2UC
28
Int_Clk
DIGITAL
CIRCUITRY
&
FAULT LOGIC
R-C
OSC.
LDO
REGULATOR
&
VOLTAGE
SUPERVISORS
4 [1] {1}
GND
14 [12] {6}
GND
17 [15] {9}
VCC
ICC RESET
BUFFER
16 [14] {8}
RST
ISO-7816
SEQUENCER
XTAL
OSC
CLOCK
GENERATION
ICC CLOCK
BUFFER
15 [13] {7}
CLK
10 [7] {4}
PRES
9 [6] {3}
PRES
OVER
TEMP
TEMP FAULT
11 [8] {5}
I/O
ICC I/O BUFFERS
13 [11]
AUX1
12 [10]
AUX2
Pin numbers reference the 28SO package.
[Pin numbers] reference the 32QFN package.
{Pin numbers} reference the 20QFN package.
Figure 1: 73S8024RN Block Diagram
2
Rev. 2
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
