78Q2123/78Q2133 Data Sheet DS_21x3_001
24 Rev. 1.6
4.4 Digital I/O Characteristics
Pins of type CI, CIU, CID, CIO
Parameter Symbol Conditions Min Nom Max Unit
Input Voltage Low Vil 0.8 V
Input Voltage High Vih 2.0 3.6 V
Input Current Iil, Iih -1 1
µA
Pull-up Resistance Rpu Type CIU only 38 56 78
kΩ
Input Capacitance Cin 8 pF
Pins of type CIS
Parameter Symbol Conditions Min Nom Max Unit
Low-to-High Threshold Vt+ 2.0 V
High-to-Low Threshold Vt- 0.8 V
Input Current Iil, Iih -1 1
µA
Input Capacitance Cin 8 pF
Input Hysteresis Vhy 125 mV
Pins of type COZ
Parameter Symbol Conditions Min Nom Max Unit
Output Voltage Low Vol Iol = 4mA 0.4 V
Output Voltage High Voh Ioh = -4mA 2.4 V
Output Transition Time Tt CL = 20pF 6 ns
Tristate Output
Leakage Current
Iz -1 1
µA
Pins of type CO
Parameter Symbol Conditions Min Nom Max Unit
Output Voltage Low Vol Iol = 4mA 0.4 V
Output Voltage High Voh Ioh = -4mA 2.4 V
Output Transition Time Tt CL = 20pF 6 ns
Pins of type CIO
Parameter Symbol Conditions Min Nom Max Unit
Output Voltage Low Vol Iol = 4mA 0.4 V
Output Voltage High Voh Ioh = -4mA 2.4 V
Output Transition Time Tt CL = 20pF 6 ns
