W83877 Winbond Electronics Corp America, W83877 Datasheet - Page 109
W83877
Manufacturer Part Number
W83877
Description
Winbond I/O
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83877.pdf
(125 pages)
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9.3.6 EPP Data or Address Read Cycle Timing Parameters, continued
9.3.7 EPP Data or Address Write Cycle Timing Parameters
PBDIR Set to Command
PD Hi-Z to Command Asserted
Time out
PD Valid to WAIT Deasserted
PD Hi-Z to WAIT Deasserted
Ax Valid to IOW Asserted
SD Valid to IOW Asserted
IOW Deasserted to Ax Invalid
Command Asserted to WAIT Deasserted
IOW Deasserted to IOW or IOR Asserted
IOCHRDY Deasserted to IOW Deasserted
IOW Asserted to WAIT Asserted
PBDIR Low to WRITE Asserted
IOW Asserted to PD Valid
PD Invalid to Command Asserted
IOW to Command Asserted
Command Asserted to WAIT Deasserted
WAIT Asserted to Command Asserted
WAIT Deasserted to Command Deasserted
WAIT Deasserted to IOCHRDY Deasserted
WAIT Asserted to Command Asserted
WAIT Asserted to WRITE Asserted
WAIT Asserted to WRITE Change
WAIT Asserted to PD Invalid
WAIT Asserted to Command Asserted
WAIT Deasserted to Command Deasserted
PARAMETER
PARAMETER
- 109 -
SYM.
SYM.
t22
t23
t24
t25
t26
t27
t28
t10
t11
t12
t13
t14
t15
t16
t17
t18
t19
t1
t2
t3
t4
t5
t6
t7
t8
t9
Publication Release Date: January 1996
MIN.
MIN.
60
10
40
10
10
10
40
60
60
60
10
60
60
0
0
0
0
0
0
0
0
0
0
0
5
0
MAX.
MAX.
160
185
185
210
190
195
180
24
70
50
35
10
20
30
12
W83877F
Revision A2
UNIT
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
S
S