SCH3112 Datasheet, PDF (366/396 Pages) SMSC Corporation – LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
CLK
t1
Output Delay
Tri-State Output
t2
t3
Figure 29.5 Output Timing Measurement Conditions, LPC Signals
NAME DESCRIPTION
t1
CLK to Signal Valid Delay – Bused Signals
t2
Float to Active Delay
t3
Active to Float Delay
MIN
TYP
MAX
2
11
2
11
28
UNITS
ns
ns
ns
CLK
Input
t1
t2
Inputs Valid
Figure 29.6 Input Timing Measurement Conditions, LPC Signals
NAME DESCRIPTION
t1
Input Set Up Time to CLK – Bused Signals
t2
Input Hold Time from CLK
MIN
TYP
MAX
7
0
Note: L1=Start; L2=CYCTYP+DIR; L3=Sync of 0000
UNITS
ns
ns
Rev 0.2 (09-28-04)
350
DATASHEET
SMSC SCH311X