Datasheet

DocID6512 Rev 12 37/45
M950x0-W M950x0-R M950x0-DF DC and AC parameters
44
Table 20. AC characteristics (M950x0-W, device grade 6)
Not recommended for new designs, for new designs refer to Table 18
Test conditions specified in Table 9 and Table 12
Symbol Alt. Parameter Min. Max. Unit
f
C
f
SCK
Clock frequency D.C. 10 MHz
t
SLCH
t
CSS1
S active setup time 15 - ns
t
SHCH
t
CSS2
S not active setup time 15 - ns
t
SHSL
t
CS
S deselect time 40 - ns
t
CHSH
t
CSH
S active hold time 25 - ns
t
CHSL
S not active hold time 15 - ns
t
CH
(1)
1. t
CH
+ t
CL
must never be less than the shortest possible clock period, 1 / f
C
(max)
t
CLH
Clock high time 40 - ns
t
CL
(1)
t
CLL
Clock low time 40 - ns
t
CLCH
(2)
2. Value guaranteed by characterization, not 100% tested in production.
t
RC
Clock rise time - 1 µs
t
CHCL
(2)
t
FC
Clock fall time - 1 µs
t
DVCH
t
DSU
Data in setup time 15 - ns
t
CHDX
t
DH
Data in hold time 15 - ns
t
HHCH
Clock low hold time after HOLD not active 15 - ns
t
HLCH
Clock low hold time after HOLD active 20 - ns
t
CLHL
Clock low setup time before HOLD active 0 - ns
t
CLHH
Clock low setup time before HOLD not active 0 - ns
t
SHQZ
(2)
t
DIS
Output disable time - 25 ns
t
CLQV
t
V
Clock low to output valid - 35 ns
t
CLQX
t
HO
Output hold time 0 - ns
t
QLQH
(2)
t
RO
Output rise time - 20 ns
t
QHQL
(2)
t
FO
Output fall time - 20 ns
t
HHQV
t
LZ
HOLD high to output valid - 25 ns
t
HLQZ
(2)
t
HZ
HOLD low to output high-Z - 35 ns
t
W
t
WC
Write time - 5 ms