73S1210F Maxim, 73S1210F Datasheet - Page 106

• Manufacturer Part Number: 73S1210F
• Description: The 73S1210F is a versatile and economical CMOS system-on-chip (SoC) device intended for smart card reader applications
• Manufacturer: Maxim

3.3 Digital IO Characteristics
73S1210F Data Sheet
These requirements pertain to digital I/O pin types with consideration of the specific pin function and
configuration. The LED(1:0) pins have pull-ups that may be enabled. The Row pins have 100kΩ pull-
ups.
106
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
RESET, ON_OFF,PRES pins
OFF_REQ pin - I
All output modes disabled,
OFF_REQ pin - Iol = 2mA
when pull-up R is enabled
If provided and enabled,
If provided and enabled,
pull-up/downs disabled
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
0 < Vin < VDD
Vout = 1.3V,
Conditions
Conditions
Vout < 0.1v
Ioh = -2mA
Iol = 2mA
OH
= -1mA
V
0.8 * V
DD
Min.
Min.
-0.3
-0.3
1.8
-5
-5
0
- 0.45
DD
Typ.
Typ.
1.5
10
40
2
4
V
DD
Max.
Max.
0.45
DS_1210F_001
V
100
0.3
0.6
0.8
5
5
3
DD
+0.3
Rev. 1.4
Unit
Unit
mA
mA
µA
µA
µA
µA
V
V
V
V
V
V
V