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W83977EG-AW Datasheet, PDF (122/142 Pages) Nuvotem Talema – These products are not designed for use in life support appliances
W83977EF-AW/W83977EG-AW
13.3.5 EPP Data or Address Write Cycle Timing Parameters
PARAMETER
Ax Valid to IOW# Asserted
SD Valid to Asserted
IOW# Deasserted to Ax Invalid
WAIT# Deasserted to IOCHRDY Deasserted
SYM.
t1
t2
t3
t4
MIN.
40
10
10
0
Command Asserted to WAIT# Deasserted
t5
10
IOW# Deasserted to IOW# or IOR# Asserted
IOCHRDY Deasserted to IOW# Deasserted
WAIT# Asserted to Command Asserted
IOW# Asserted to WAIT# Asserted
t6
40
t7
0
t8
60
t9
0
PBDIR Low to WRITE# Asserted
t10
0
WAIT# Asserted to WARIT# Asserted
WAIT# Asserted to WRITE# Change
IOW# Asserted to PD Valid
WAIT# Asserted to PD Invalid
t11
60
t12
60
t13
0
t14
0
PD Invalid to Command Asserted
t15
10
IOW# to Command Asserted
WAIT# Asserted to Command Asserted
WAIT# Deasserted to Command Deasserted
t16
5
t17
60
t18
60
Command Asserted to WAIT# Deasserted
t19
0
Time out
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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