73S1215F Maxim, 73S1215F Datasheet - Page 113

• Manufacturer Part Number: 73S1215F
• Description: The Teridian 73S1215F is a self-contained SoC smart card reader IC that is an ideal solution for any USB-connected ISO 7816 design
• Manufacturer: Maxim

ups.
3.3 Digital IO Characteristics
These requirements pertain to digital I/O pin types with consideration of the specific pin function and
configuration. The LED(3:0) pins have pull-ups that may be enabled. The Row pins have 100KΩ pull-
Rev. 1.4
Symbol
Voh
Vol
Vih
Vil
Ileak
Ipu
Ipd
Symbol
Iled
Iolkrow
Iolkcol
Parameter
Output level, high
Output level, low
Input voltage, high
Input voltage, low
Leakage current
Pull-up current
Pull-down current
Parameter
LED drive current
Keypad Row output
low current
Keypad column
output high current
If provided and enabled,
If provided and enabled,
disabled, pull-up/downs
when col. is pulled low
Vout > VDD – 0.1v
2.7v < VDD < 3.6v
2.7v < VDD <3.6v
2.7v < VDD <3.6v
0.0v < Voh < 0.1v
0.0v < Voh < 0.1v
when pull-up R is
All output modes
0 < Vin < VDD
Vout = 1.3V,
Conditions
Conditions
Vout < 0.1v
Ioh =-2mA
Iol=2mA
disabled
enabled
0.8 *VDD
Min.
Min.
-0.3
1.8
1.7
3.4
8.5
-5
-5
0
Typ.
Typ.
-1.5
-40
10
2
4
VDD+0.3
Max.
Max.
VDD
-100
11.5
0.3
0.6
2.3
4.6
-3
5
5
Unit
Unit
mA
mA
μA
μA
μA
μA
V
V
V
V
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