W83977F-A Datasheet, PDF (160/182 Pages) Winbond – WINBOND I/O

W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
14.3.5 EPP Data or Address Write Cycle Timing Parameters
PARAMETER
Ax Valid to IOW Asserted
SYM.
t1
MIN.
40
SD Valid to Asserted
t2
10
IOW Deasserted to Ax Invalid
t3
10
WAIT Deasserted to IOCHRDY Deasserted
Command Asserted to WAIT Deasserted
IOW Deasserted to IOW or IOR Asserted
t4
0
t5
10
t6
40
IOCHRDY Deasserted to IOW Deasserted
t7
0
WAIT Asserted to Command Asserted
IOW Asserted to WAIT Asserted
PBDIR Low to WRITE Asserted
t8
60
t9
0
t10
0
WAIT Asserted to WRITE Asserted
t11
60
WAIT Asserted to WRITE Change
IOW Asserted to PD Valid
WAIT Asserted to PD Invalid
t12
60
t13
0
t14
0
PD Invalid to Command Asserted
IOW to Command Asserted
t15
10
t16
5
WAIT Asserted to Command Asserted
WAIT Deasserted to Command Deasserted
Command Asserted to WAIT Deasserted
Time out
t17
60
t18
60
t19
0
t20
10
Command Deasserted to WAIT Asserted
t21
0
IOW Deasserted to WRITE Deasserted and PD
invalid
t22
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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