73S8024RN Data Sheet
DS_8024RN_020
FUNCTIONAL DIAGRAM
VDD
VDDF_ADJ
18 [17]
NC
VPC
21 [20] {12}
5 [2,9,16,25,32]
6 [3] {2}
6
VPC FAULT
4 [1] {1}
DIGITAL POWER SUPPLY
VDD VOLTAGE SUPERVISOR
VOLTAGE REFERENCE
{13} [21] 22
GND
VDD FAULT
LDO
REGULATOR
&
GND
V
CC FAULT
14 [12] {6}
GND
ICC FAULT
VOLTAGE
SUPERVISORS
{10} [18] 19
17 [15] {9}
VCC
R-C
Int_Clk
CMDVCC
OSC.
{11} [19] 20
RSTIN
{20} [31] 3
DIGITAL
CIRCUITRY
&
5V/3V
ICC RESET
BUFFER
FAULT LOGIC
{14} [22] 23
OFF
16 [14] {8}
RST
{18} [29] 1
CLKDIV1
{19} [30] 2
CLKDIV2
ICC CLOCK
BUFFER
15 [13] {7}
ISO-7816
SEQUENCER
CLK
{15} [23] 24
XTALIN
10 [7] {4}
PRES
XTAL
OSC
CLOCK
GENERATION
{16} [24] 25
XTALOUT
9 [6] {3}
PRES
[4] 7
CLKSTOP
[5] 8
OVER
TEMP
CLKLEV
TEMP FAULT
11 [8] {5}
{17} [26] 26
I/O
I/OUC
13 [11]
[27]
ICC I/O BUFFERS
AUX1
27
[28]
AUX1UC
12 [10]
28
AUX2
AUX2UC
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. 1.8
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
