w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 121

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

13.3.4 EPP Data or Address Read Cycle Timing Parameters
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
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
WAIT# Deasserted to Command Deasserted
Time out
PD Valid to WAIT# Deasserted
PD Hi-Z to WAIT# Deasserted
Deasserted to WRITE# Modified
Asserted to Command Asserted
PARAMETER
W83977EF-AW/W83977EG-AW
-119-
SYM.
t13
t15
t16
t19
t21
t23
t24
t25
t28
t10
t14
t17
t18
t20
t22
t26
t27
t1
t2
t3
t4
t5
t6
t7
t8
t9
Publication Release Date: Apr. 2006
MIN.
40
10
40
60
60
60
60
60
10
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
MAX.
190
160
185
180
190
195
180
10
24
75
40
85
50
20
30
12
Revision 1.2
UNIT
nS
nS
nS
nS
nS
μ S
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
μ S