STM32F722IC datasheet(198/229 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F722xx STM32F723xx

198/229

DS11853 Rev 6

tw(CKH)

Quad-SPI clock high

and low time

t(CK)/2 - 0.5

t(CK)/2 + 0.5

tw(CKL)

t(CK)/2 - 0.5

t(CK)/2 + 0.5

ts(IN)

Data input setup time

th(IN)

Data input hold time

tv(OUT)

Data output valid time

2.7 V<VDD<3.6 V

1.5

1.71 V<VDD<3.6 V

1.5

2.5

th(OUT)

Data output hold time

0.5

1. Guaranteed by characterization results.

Table 112. Quad-SPI characteristics in DDR mode(1)

1. Guaranteed by characterization results.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Fck1/t(CK) Quad-SPI clock frequency

2.7 V<VDD<3.6 V

CL=20 pF

MHz

1.8 V<VDD<3.6 V

CL=15 pF

1.71 V<VDD<3.6 V

CL=10 pF

tw(CKH)

Quad-SPI clock high and

low time

t(CK)/2 -

0.5

t(CK)/2 +

0.5

tw(CKL)

t(CK)/2 -

0.5

t(CK)/2 +

0.5

ts(IN),

tsf(IN)

Data input setup time

2.7 V<VDD<3.6 V

1.71 V<VDD<2 V

0.5

thr(IN),

thf(IN)

Data input hold time

2.7 V<VDD<3.6 V

2.25

1.71 V<VDD<2 V

2.75

tvr(OUT),

tvf(OUT)

Data output valid time

2.7 V<VDD<3.6 V

9.5

11.5

1.71 V<VDD<3.6 V

DHHC=0

9.5

12.25

DHHC=1

Pres=1, 2...

Thclk/2

+2.5

thr(OUT),

thf(OUT)

Data output hold time

DHHC=0

5.5

DHHC=1

Pres=1, 2...

Thclk/2

+0.75

Table 111. Quad-SPI characteristics (continued)in SDR mode(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

STM32F722IC Datasheet(PDF) 198 Page - STMicroelectronics

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