Datasheet

Electrical characteristics STM32L496xx
214/272 DS11585 Rev 9
Table 98. QUADSPI characteristics in DDR mode
(1)
Symbol Parameter Conditions Min Typ Max Unit
F
CK
1/t
(CK)
Quad SPI clock
frequency
1.71 V < V
DD
< 3.6 V,
C
LOAD
= 20 pF
Voltage Range 1
--40
MHz
2 V < V
DD
< 3.6 V,
C
LOAD
= 20 pF
Voltage Range 1
--48
1.71 V < V
DD
< 3.6 V,
C
LOAD
= 15 pF
Voltage Range 1
--48
1.71 V < V
DD
< 3.6 V
C
LOAD
= 20 pF
Voltage Range 2
--26
t
w(CKH)
Quad SPI clock high
and low time
f
AHBCLK
= 48 MHz, presc= 1
t
(CK)
/2 - t
(CK)
/2+1
ns
t
w(CKL)
t
(CK)
/2-1 - t
(CK)
/2
t
sf(IN)
;t
sr(IN)
Data input setup time
Voltage Range 1 and 2
3.5 - -
t
hf(IN)
; t
hr(IN)
Data input hold time 6.5 - -
t
vr(OUT)
Data output valid time
on rise edge
Voltage Range 1
DHHC = 0
-
4.5 5.5
DHHC = 1 t
(CK)
/2+1 t
(CK)
/2+1.5
Voltage Range 2 9.5 14
t
vf(OUT)
Data output valid time
on falling edge
Voltage Range 1
DHHC = 0
-
56
DHHC = 1 t
(CK)
/2+1 t
(CK)
/2+1.5
Voltage Range 2 15 18
t
hr(OUT)
Data output hold time
on rise edge
Voltage Range 1
DHHC = 0 4 - -
DHHC = 1 t
(CK)
/2+0.5 - -
Voltage Range 2 8 - -
t
hf(OUT)
Data output hold time
on falling edge
Voltage Range 1
DHHC = 0 3.5 - -
DHHC = 1 t
(CK)
/2+0.5 - -
Voltage Range 2 13 -
1. Guaranteed by characterization results.
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