User guide

DS900F1 18
CS4244
DIGITAL I/O CHARACTERISTICS
Parameters Symbol Min Typ Max Units
High-Level Input Voltage (all input pins except
RST)(% of VL)
(VL=1.8V)
V
IH
75% - - V
High-Level Input Voltage (all input pins except
RST)(% of VL)
(VL=2.5V, 3.3V, or 5V)
V
IH
70% - - V
Low-Level Input Voltage (all input pins except
RST)(% of VL)V
IL
--30%V
High-Level Input Voltage (
RST pin) V
IH
1.2 - - V
Low-Level Input Voltage (
RST pin) V
IL
--0.3V
High-Level Output Voltage at I
o
=2mA (% of VL) V
OH
80% - - V
Low-Level Output Voltage at I
o
=2mA (% of VL) V
OL
--20%V
Input Leakage Current I
in
--±10A
Input Capacitance - 8 - pF