STM32L4S5AI datasheet(243/275 Pages) STMICROELECTRONICS

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STM32L4S5xx, STM32L4S7xx and STM32L4S9xx

Electrical characteristics

250

Table 113. OctoSPI characteristics in DTR mode (with DQS)(1)/Octal and Hyperbus

Symbol

Parameter

Conditions

Min

Typ

Max(2)

Unit

FCK

1/t(CK)

OctoSPI clock

frequency

1.71 V < VDD < 3.6 V

Voltage Range 1

CLOAD = 20 pF

MHz

2.7 V < VDD < 3.6 V

Voltage Range 1

CLOAD = 20 pF

1.71 V < VDD < 3.6 V

Voltage Range 1

CLOAD = 15 pF

1.71 V < VDD < 3.6 V

Voltage Range 2

CLOAD = 20 pF

tw(CKH) OctoSPI clock high

and low time

t(CK)/2-1

t(CK)/2+0.5

tw(CKL)

t(CK)/2-0.5

t(CK)/2+0.5

tv(CK)

Clock valid time

t(CK)+1

th(CK)

Clock hold time

t(CK)/2-0.5

tw(CS)

Chip select high

time

-3 x t(CK)

tv(DQ)

Data input vallid

time

-0

tv(DS)

Data storbe input

valid time

-0

th(DS)

Data storbe input

hold time

-0

tv(RWDS)

Data storbe output

valid time

3 x t(CK)

tsr(IN)

tsf(IN)

Data input

setup time

Voltage Range 1

-3.5

t(CK)/2-5.75(3)

Voltage Range 2

-5.5

t(CK)/2-9(3)

thr(IN)

thf(IN)

Data input

hold time

Voltage Range 1

5.75

Voltage Range 2

tvr(OUT)

tvf(OUT)

Data output

valid time

Voltage Range 1

DHQC = 0

4.5

DHQC = 1

Pres=1,2

...

tpclk/4+1.5

tpclk/4+2.25

Voltage Range 2 DHQC = 0

thr(OUT)

thf(OUT)

Data output

hold time

Voltage Range 1

DHQC = 0

0.5

DHQC = 1

Pres=1,2

...

tpclk/4-1.75

Voltage Range 2 DHQC = 0

0.75

STM32L4S5AI Datasheet(PDF) 243 Page - STMicroelectronics

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