W83977AF Information Storage Devices, Inc, W83977AF Datasheet - Page 162

• Manufacturer Part Number: W83977AF
• Description: W83877TF Plus Kbc, Cir, RTC
• Manufacturer: Information Storage Devices, Inc

11.3.5 EPP Data or Address Write Cycle Timing Parameters
Ax Valid to IOW Asserted
SD Valid to 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
Time out
Command Deasserted to WAIT Asserted
IOW Deasserted to WRITE Deasserted and PD
invalid
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
- 150 -
SYM.
t10
t11
t12
t13
t14
t15
t16
t17
t18
t19
t20
t21
t22
t1
t2
t3
t4
t5
t6
t7
t8
t9
W83977F/ W83977AF
Publication Release Date: March 1998
MIN.
40
10
10
10
40
60
60
60
10
60
60
10
0
0
0
0
0
0
5
0
0
0
MAX.
PRELIMINARY
160
185
185
210
190
24
70
50
35
10
12
Revision 0.58
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
S
S