Datasheet

Electrical characteristics STM32H743xI
192/231 DS12110 Rev 5
CMD, D inputs (referenced to CK) in SD default mode
t
ISUD
Input setup time SD
f
PP
=25 MHz
2--
ns
t
IHD
Input hold time SD
1.5 - -
CMD, D outputs (referenced to CK) in SD default mode
t
OVD
Output valid default time SD
f
PP
=25 MHz
-12
ns
t
OHD
Output hold default time SD
0--
1. Guaranteed by characterization results.
2. Above 100 MHz, C
L
= 20 pF.
3. The minimum window of time where the data needs to be stable for proper sampling in tuning mode.
Table 107. Dynamic characteristics: SD / MMC characteristics, V
DD
=2.7V to 3.6V
(1)(2)
Symbol Parameter Conditions Min Typ Max Unit
Table 108. Dynamic characteristics: eMMC characteristics, V
DD
=1.71V to 1.9V
(1)(2)
Symbol Parameter Conditions Min Typ Max Unit
f
PP
Clock frequency in data transfer mode - 0 - 120 MHz
t
W(CKL)
Clock low time
f
PP
=50 MHz
9.5 10.5 -
ns
t
W(CKH)
Clock high time 8.5 9.5 -
CMD, D inputs (referenced to CK) in eMMC mode
t
ISU
Input setup time HS
f
PP
50 MHz
1.5 - -
nst
IH
Input hold time HS 2 - -
t
IDW
(3)
Input valid window (variable window) 3.5 - -
CMD, D outputs (referenced to CK) in eMMC mode
t
OV
Output valid time HS
f
PP
50 MHz
-57
ns
t
OH
Output hold time HS 3 - -
1. Guaranteed by characterization results.
2. C
L
= 20 pF.
3. The minimum window of time where the data needs to be stable for proper sampling in tuning mode.