Datasheet

Revised Date:
April 16, 2007
ds_pl2303HXD_v1.1.doc
PL-2303HX (Rev D) Product Datasheet - 21 - Document Version 1.1
9.2.3 Serial I/O Pins
Table 9-2c VDD_325@3.3V Serial I/O Pins
Parameter Symbol Min Typ Max Unit
Output Driving Capability I
DD
8 mA
Power Supply for Serial I/O Pins VDD_325 3.0 3.3 3.6 V
Input Voltage
Low
High
V
IL
V
IH
--
0.7* VDD_325
--
--
0.25* VDD_325
--
V
V
Output Voltage
Low
High
V
OL
V
OH
--
2.4
--
--
0.4
--
V
V
Table 9-2d VDD_325@2.5V Serial I/O Pins
Parameter Symbol Min Typ Max Unit
Output Driving Capability I
DD
5.2 mA
Power Supply for Serial I/O Pins VDD_325 2.25 2.5 2.75 V
Input Voltage
Low
High
V
IL
V
IH
--
0.7* VDD_325
--
--
0.25* VDD_325
--
V
V
Output Voltage
Low
High
V
OL
V
OH
--
1.85
--
--
0.4
--
V
V
Table 9-2e VDD_325@1.8V Serial I/O Pins
Parameter Symbol Min Typ Max Unit
Output Driving Capability I
DD
4.4 mA
Power Supply for Serial I/O Pins VDD_325 1.65 1.8 1.95 V
Input Voltage
Low
High
V
IL
V
IH
--
0.7* VDD_325
--
--
0.25* VDD_325
--
V
V
Output Voltage
Low
High
V
OL
V
OH
--
1.25
--
--
0.4
--
V
V
9.3 Clock Characteristics
Table 9-3 Clock Characteristics
Parameter Min Typ Max Units
Frequency of Operation 11.97 12.0 12.03 MHz
Clock Period 83.1 83.3 83.5 ns
Duty Cycle 45 50 55 %