W83877TF Datasheet, PDF (80/154 Pages) Winbond – I/O chip disk drive adapter

W83877TF
9.3.5 EPP Data or Address Write Cycle Timing Parameters
PARAMETER
SYM.
Ax Valid to IOW Asserted
t1
SD Valid to Asserted
t2
IOW Deasserted to Ax Invalid
t3
WAIT Deasserted to IOCHRDY Deasserted
t4
Command Asserted to WAIT Deasserted
t5
IOW Deasserted to IOW or IOR Asserted
t6
IOCHRDY Deasserted to IOW Deasserted
t7
WAIT Asserted to Command Asserted
t8
IOW Asserted to WAIT Asserted
t9
PBDIR Low to WRITE Asserted
t10
WAIT Asserted to WRITE Asserted
t11
WAIT Asserted to WRITE Change
t12
IOW Asserted to PD Valid
t13
WAIT Asserted to PD Invalid
t14
PD Invalid to Command Asserted
t15
IOW to Command Asserted
t16
WAIT Asserted to Command Asserted
t17
WAIT Deasserted to Command Deasserted
t18
Command Asserted to WAIT Deasserted
t19
Time out
t20
Command Deasserted to WAIT Asserted
t21
IOW Deasserted to WRITE Deasserted and PD
t22
invalid
MIN.
40
10
10
0
10
40
0
60
0
0
60
60
0
0
10
5
60
60
0
10
0
0
MAX.
24
160
70
185
185
50
35
210
190
10
12
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
µS
µS
nS
nS
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Publication Release Date: March 1998
Version 0.61