Datasheet

Electrical characteristics STM32H750VB STM32H750IB STM32H750XB
148/201 DS12556 Rev 2
6.3.18 Quad-SPI interface characteristics
Unless otherwise specified, the parameters given in Table 81 and Table 82 for Quad-SPI
are derived from tests performed under the ambient temperature, f
rcc_c_ck
frequency and
V
DD
supply voltage conditions summarized in Table 22: General operating conditions, with
the following configuration:
• Output speed is set to OSPEEDRy[1:0] = 11
• Measurement points are done at CMOS levels: 0.5V
DD
• I/O compensation cell enabled
• HSLV activated when V
DD
2.7 V
Refer to Section 6.3.15: I/O port characteristics for more details on the input/output alternate
function characteristics.
Table 81. Quad-SPI characteristics in SDR mode
(1)
Symbol Parameter Conditions Min Typ Max Unit
F
ck1/t(CK)
Quad-SPI clock frequency
2.7 V 
V
DD
<3.6 V
C
L
=20 pF
--133
MHz
1.62 V<V
DD
<3.6 V
C
L
=15 pF
--100
t
w(CKH)
Quad-SPI clock high and low
time
-
t
(CK)
/2 -0.5 - t
(CK)
/2
ns
t
w(CKL)
t
(CK)
/2 - t
(CK)
/2 + 0.5
t
s(IN)
Data input setup time
-
1.5 - -
t
h(IN)
Data input hold time 2 - -
t
v(OUT)
Data output valid time - - 1.5 2
t
h(OUT)
Data output hold time - 0.5 - -
1. Guaranteed by characterization results.
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