W83877ATF Datasheet, PDF (177/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
ECP Parallel Port Forward Timing Parameters
PARAMETER
nAUTOFD Valid to nSTROBE Asserted
PD Valid to nSTROBE Asserted
BUSY Deasserted to nAUTOFD Changed
BUSY Deasserted to PD Changed
nSTROBE Deasserted to BUSY Deasserted
BUSY Deasserted to nSTROBE Asserted
nSTROBE Asserted to BUSY Asserted
BUSY Asserted to nSTROBE Deasserted
SYMBOL
t1
t2
t3
t4
t5
t6
t7
t8
MIN.
0
0
80
80
0
80
0
80
MAX.
60
60
180
180
200
180
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
ECP Parallel Port Reverse Timing Parameters
PARAMETER
PD Valid to nACK Asserted
nAUTOFD Deasserted to PD Changed
nAUTOFD Asserted to nACK Asserted
nAUTOFD Deasserted to nACK Deasserted
nACK Deasserted to nAUTOFD Asserted
PD Changed to nAUTOFD Deasserted
SYMBOL
t1
t2
t3
t4
t5
t6
MIN.
0
0
0
0
80
80
MAX.
200
200
UNIT
nS
nS
nS
nS
nS
nS
- 173 -
Publication Release Date: April 1998
Version 0.51