73S8009R-IL/F Maxim Integrated Products, 73S8009R-IL/F Datasheet - Page 13

• Manufacturer Part Number: 73S8009R-IL/F
• Description: IC SMART CARD LEVEL SHIFT 28SOIC
• Manufacturer: Maxim Integrated Products
• Type: Low Cost Versatile Smart Card Interfacer

Specifications of 73S8009R-IL/F

• Applications: Smart Card Reader, Writer
• Voltage - Supply: 2.7 V ~ 3.6 V
• Package / Case: 28-SOIC (0.300", 7.50mm Width)
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

DS_8009R_056
3 Applications Information
This section provides general usage information for the design and implementation of the 73S8009R.
3.1
Figure
material from time to time and the reader is encouraged to contact Teridian for the latest information.
Rev. 1.3
NOTES:
1) VDD = 2.7V to 3.6V DC.
2) VPC = 4.75V to 6.0V DC (Class A-B-C Reader: 1.8V, 3V and 5V cards)
3) Must be tied to GND if not used
4) Internal pull-up allows it to be left open if unused.
AUX1UC_to/from_uC
AUX2UC_to/from_uC
OFF_interrupt_to_uC
CMDVCC5_from_uC
CMDVCC3_from_uC
Example 73S8009R Schematics
4 shows a typical application schematic for the implementation of the 73S8009R. Note that minor changes may occur to the reference
RDY_status_to_uC
I/OUC_to/from_uC
PWRDN_from_uC
RSTIN_from_uC
CLKIN_from_uC
CS_from_uC
See NOTE 3
Figure 4: Typical 73S8009R Application Schematic
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12
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10
11
1
2
3
4
5
6
7
8
9
73S80009R
CS
TEST1
N/C
OFF
I/OUC
AUX1UC
AUX2UC
CMDVCC5
CMDVCC3
RSTIN
CLKIN
RDY
PWRDN
TEST2
SO28
PRES
PRES
AUX1
AUX2
GND
GND
VDD
VCC
VPC
RST
CLK
N/C
N/C
VDD
I/O
Card detection
switch is
normally closed
28
27
26
25
24
23
22
21
20
19
18
17
16
15
20K
R
2
Smart Card Connector
See NOTE 4
VDD
CLK track should be routed
far from RST, I/O, C4 and C8
See NOTE 1
C1
10uF
ISO7816=1µF, EMV=3.3µF
C5
should be placed near the SC
Low ESR (<100mohms) C1
connecter contact
73S8009R Data Sheet
C6
100nF
VDD
100nF
C4
See NOTE 2
VPC
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