FDC37M81 SMSC [SMSC Corporation], FDC37M81 Datasheet - Page 190

• Manufacturer Part Number: FDC37M81
• Description: PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
• Manufacturer: SMSC [SMSC Corporation]

change must be implemented properly to
prevent glitching the outputs.
Note 1: The data is held until BUSY goes inactive or for time t3, whichever is longer. This only
NAME
nSTROBE
t1
t2
t3
t4
t5
t6
PD<7:0>
BUSY
applies if another data transfer is pending. If no other data transfer is pending, the data is
held indefinitely.
PDATA Valid to nSTROBE Active
nSTROBE Active Pulse Width
PDATA Hold from nSTROBE Inactive (Note 1)
nSTROBE Active to BUSY Active
BUSY Inactive to nSTROBE Active
BUSY Inactive to PDATA Invalid (Note 1)
FIGURE 18 - PARALLEL PORT FIFO TIMING
DESCRIPTION
t1
190
t4
t2
MIN
600
600
450
680
80
t3
TYP
t6
t5
MAX
500
UNITS
ns
ns
ns
ns
ns
ns