GMZAN3 Datasheet, PDF (30/53 Pages) List of Unclassifed Manufacturers – XGA ALALOG INTERFACE LCD MONITOR CONTROLLER

gmZAN3 Preliminary Data Sheet
Input to Schmitt
trigger
ViH
ViL
Frequecy is 100KHz
Hysteresis = ViH - ViL
Schmitt trigger
output
Figure 15.
Schmitt Trigger Timing Diagram
Table 16. Temperature and Voltage Variation for Schmitt Trigger
Room Temp @ 3.3V
100°C @ 3.0V
0°C @ 3.6V
High hysteresis (0x1E7[7]=0) Default
High Threshold Low Threshold
Hysteresis
ViH(V)
ViL(V)
ViH-ViL(V)
2.3
1.0
1.3
2.15
0.9
1.25
2.6
1.1
1.5
NOTE: The power on default value of the hysteresis is set to high
Room Temp @ 3.3V
100°C @ 3.0V
0°C @ 3.6V
Low hysteresis (0x1E7[7]=1)
High Threshold Low Threshold
Hysteresis
ViH(V)
ViL(V)
ViH-ViL(V)
1.6
0.9
0.7
1.5
0.8
0.7
1.7
1
0.7
4.3.6 SOG and CSYNC support
The gmZAN3 has the capability to support the following types of SOG and CSYNC inputs without
having to use external components. The signals below show the Negative types of SOG and CSYNC
signals. The gmZAN3 can also support the Positive types.
C0523-DAT-01G
30
Genesis Microchip Confidential
http://www.genesis-microchip.com
July 2003