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9.6
COMI Write
V
= 5 V ± 0.5V
CC
Description
CMCS0*, CMCS1* and CMWR* low and CMADR valid after CLK
high
CMCS0*, CMCS1* or CMWR* high after CLK high
CMCS0*, CMCS1*, CMWR* pulse width
CMDATA valid after CLK high
CMDATA valid before CMCS0* or CMCS1* or CMWR* high
CMDATA hold after CMCS0* or CMCS1* or CMWR* high
V
= 3.3 V ± 0.3V
CC
Description
CMCS0*, CMCS1* and CMWR* low and CMADR valid after CLK
high
CMCS0*, CMCS1* or CMWR* high after CLK high
CMCS0*, CMCS1*, CMWR* pulse width
CMDATA valid after CLK high
CMDATA valid before CMCS0* or CMCS1* or CMWR* high
CMDATA hold after CMCS0* or CMCS1* or CMWR* high
SMCS332SpW
User Manual
– All Rights Reserved – Copyright per DIN 34 –
EADS Astrium GmbH, ASE2
Doc No: SMCS_ASTD_UM_100
Issue:
1.4
Updated: 9-Sep-2006
Page:
78 of 131
Symbol
Min.
Max.
t
19
CWCA
t
19
CWCH
t
t
- 1
CWPW
CLK
t
19
CWDE
t
27
CWDS
t
t
CWDH
CLK
Symbol
Min.
Max.
t
24
CWCA
t
25
CWCH
t
t
- 1
CWPW
CLK
t
34
CWDE
t
54
CWDS
t
t
CWDH
CLK
Unit
ns
ns
ns
ns
ns
/2 + 18
ns
Unit
ns
ns
ns
ns
ns
/2 + 25
ns
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