STM32U375CE datasheet(166/222 Pages) STMICROELECTRONICS

166 / 222 page

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

th(DS)

Data strobe input hold time

tv(RWDS)

Data strobe output valid time

3 × t(CLK)

tsr(DQ)

tsf(DQ)

Data input setup time

Voltage range 1

-0.5

Voltage range 2

1.25

thr(DQ)

thf(IN)

Data input hold time

Voltage range 1

2.5

Voltage range 2

2.5

tvr(OUT)

tvf(OUT)

Data output valid time,

DHQC = 0

Voltage range 1

8.5

Voltage range 2

12.5

21.5

Data output valid time,

DHQC = 1

Voltage range 1

All prescaler values (except 0)

t(CLK)/4 +

1.5

t(CLK)/4 + 3.5

thr(OUT)

thf(OUT)

Data output hold time, DHQC = 0

Voltage range 1

5.5

Voltage range 2

Data output hold time, DHQC = 1

Voltage range 1

All prescaler values (except 0)

t(CLK)/4 - 1

1. Maximum frequency values are given for a RWDS to DQ skew of maximum ±1.0 ns.

2. Activating DHQC is mandatory to reach this frequency.

3. P10/PB5, PB4/PB5, and PA3/PB5 are recommended to be in line with crossing specification.

Figure 49. OCTOSPI timing diagram - SDR mode

Data output

Clock

Data input

t(CLK)

tw(CLKH)

tw(CLKL)

tr(CLK)

tf(CLK)

ts(IN)

th(IN)

tv(OUT)

th(OUT)

Figure 50. OCTOSPI timing diagram - DDR mode

Data output

Clock

Data input

t(CLK)

tw(CLKH)

tw(CLKL)

tr(CLK)

tf(CLK)

tsf(IN) thf(IN)

tvf(OUT)

thr(OUT)

tvr(OUT)

thf(OUT)

tsr(IN)thr(IN)

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 166/222

STM32U375CE Datasheet(PDF) 166 Page - STMicroelectronics

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