TC1767
Electrical Parameters
5.1.2
Pad Driver and Pad Classes Summary
This section gives an overview on the different pad driver classes and its basic
characteristics. More details (mainly DC parameters) are defined in the Section 5.2.1.
Table 7
Pad Driver and Pad Classes Overview
Class Power Type
Supply
Sub Class Speed Load Leakage1) Termination
Grade
A
3.3 V
LVTTL A1
6 MHz 100 pF 500 nA
No
I/O,
(e.g. GPIO)
LVTTL
outputs
A2
(e.g. serial
I/Os)
40
MHz
50 pF 6 µA
Series
termination
recommended
F
3.3 V
5 V
LVDS/
CMOS
–
50
MHz
–
–
–
–
Parallel
termination2),
100 Ω ± 10%
DE
ADC
–
–
see Table 12
1) Values are for TJmax = 150 °C.
2) In applications where the LVDSpins are not used (disabled), these pins must be either left unconnected, or
properly terminated with the differential parallel termination of 100 Ω ± 10%.
Data Sheet
79
V1.3, 2009-09
INFINEON [ Infineon ]
