M95040, M95020, M95010
Table 22. AC Characteristics (M950x0-R)
Test conditions specified in Table 11. and Table 10.
Symbol
Alt.
Parameter
Min.
D.C.
200
200
200
200
200
Max.
Unit
MHz
ns
f
f
Clock Frequency
2
C
SCK
CSS1
CSS2
t
t
t
S Active Setup Time
S Not Active Setup Time
S Deselect Time
SLCH
t
ns
SHCH
t
t
ns
SHSL
CS
t
t
CSH
S Active Hold Time
S Not Active Hold Time
Clock High Time
ns
CHSH
t
ns
CHSL
1
t
200
200
ns
ns
µs
µs
t
CLH
CH
1
t
Clock Low Time
Clock Rise Time
Clock Fall Time
t
CL
CLL
2
2
t
1
1
t
t
RC
CLCH
t
FC
CHCL
t
t
DSU
Data In Setup Time
40
50
ns
ns
ns
ns
ns
ns
DVCH
CHDX
t
t
t
DH
Data In Hold Time
Clock Low Hold Time after HOLD not Active
Clock Low Hold Time after HOLD Active
Clock High Set-up Time before HOLD Active
Clock High Set-up Time before HOLD not Active
140
90
HHCH
t
HLCH
CHHL
t
t
120
120
CHHH
2
t
Output Disable Time
Clock Low to Output Valid
Output Hold Time
250
180
ns
ns
ns
ns
t
DIS
SHQZ
t
t
V
CLQV
t
t
0
CLQX
HO
RO
2
t
Output Rise Time
100
100
100
250
10
t
t
QLQH
2
t
Output Fall Time
ns
ns
ns
ms
FO
QHQL
t
t
HOLD High to Output Valid
HOLD Low to Output High-Z
Write Time
HHQV
LZ
2
t
t
HZ
HLQZ
t
W
t
WC
Note: 1. t + t must never be less than the shortest possible clock period, 1 / f (max)
CH
CL
C
2. Value guaranteed by characterization, not 100% tested in production.
3. Preliminary data: Product under development. Please contact your nearest ST sales office for information.
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