W83977EF Datasheet, PDF (130/150 Pages) Winbond – WINBOND I/O

W83977EF
11.3.4 EPP Data or Address Read Cycle Timing Parameters
PARAMETER
SYM.
MIN.
Ax Valid to IOR# Asserted
IOCHRDY Deasserted to IOR# Deasserted
IOR# Deasserted to Ax Valid
IOR# Deasserted to IOW# or IOR# Asserted
IOR# Asserted to IOCHRDY Asserted
PD Valid to SD Valid
IOR# Deasserted to SD Hi-Z (Hold Time)
SD Valid to IOCHRDY Deasserted
WAIT# Deasserted to IOCHRDY Deasserted
PD Hi-Z to PDBIR Set
WRITE# Deasserted to IOR# Asserted
WAIT# Asserted to WRITE# Deasserted
Deasserted to WRITE# Modified
IOR# Asserted to PD Hi-Z
WAIT# Asserted to PD Hi-Z
Command Asserted to PD Valid
Command Deasserted to PD Hi-Z
WAIT# Deasserted to PD Drive
WRITE# Deasserted to Command
PBDIR Set to Command
PD Hi-Z to Command Asserted
Asserted to Command Asserted
WAIT# Deasserted to Command Deasserted
Time out
PD Valid to WAIT# Deasserted
PD Hi-Z to WAIT# Deasserted
t1
40
t2
0
t3
10
t4
40
t5
0
t6
0
t7
0
t8
0
t9
60
t10
0
t13
0
t14
0
t15
60
t16
0
t17
60
t18
0
t19
0
t20
60
t21
1
t22
0
t23
0
t24
0
t25
60
t26
10
t27
0
t28
0
MAX.
10
UNIT
nS
nS
nS
24
nS
75
nS
40
µS
85
nS
160
nS
nS
nS
185
nS
190
nS
50
nS
180
nS
nS
nS
190
nS
nS
20
nS
30
nS
195
nS
180
nS
12
nS
nS
µS
-124 -
Publication Release Date: April 2003
Revision 1.1