LPC47N237-MD SMSC [SMSC Corporation], LPC47N237-MD Datasheet - Page 131

• Manufacturer Part Number: LPC47N237-MD
• Description: 3.3V I/O CONTROLLER FOR PORT REPLICATORS AND DOCKING STATIONS
• Manufacturer: SMSC [SMSC Corporation]

3.3v I/O Controller for Port Replicators and Docking Stations
Note 20.6
Note 20.7
SMSC DS – LPC47N237
NAME
t1
t2
t3
t4
t5
t6
t7
t8
nSTROBE
PD<7:0>
Maximum value only applies if there is data in the FIFO waiting to be written out.
BUSY is not considered asserted or deasserted until it is stable for a minimum of 75 to 130 ns.
BUSY
nALF
nALF Valid to nSTROBE Asserted
PDATA Valid to nSTROBE Asserted
BUSY Deasserted to nALF Changed
(Note 20.6, Note 20.7)
BUSY Deasserted to PDATA Changed
20.7)
nSTROBE Asserted to Busy Asserted
nSTROBE Deasserted to Busy Deasserted
BUSY Deasserted to nSTROBE Asserted
Note 20.7
BUSY Asserted to nSTROBE Deasserted
)
Figure 20.17 - ECP Parallel Port Forward Timing
DESCRIPTION
t6
DATASHEET
t2
t1
t7
Page 131
(Note 20.6, Note
t5
(Note 20.6,
(Note 20.7)
t8
MIN
80
80
80
80
t6
0
0
0
0
TYP
t3
t4
MAX
180
180
200
180
60
60
Revision 0.3 (10-26-04)
UNITS
ns
ns
ns
ns
ns
ns
ns
ns