STM32U595AI datasheet(324/377 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32U59xxx

324/377

DS13633 Rev 1

Table 137. OCTOSPI characteristics in SDR mode(1)(2)(3)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

f(CLK)

OCTOSPI clock

frequency

1.71 V ≤ VDD ≤ 3.6 V

Voltage range 1

CL = 15 pF

MHz

2.7 V ≤ VDD ≤ 3.6 V

Voltage range1

CL = 15 pF

100

1.71 V ≤ VDD ≤ 3.6 V

Voltage range 4

CL = 15 pF

tw(CLKH) OCTOSPI clock high

and low time

(even division)

PRESCALER[7:0] = n

(n = 0, 1, 3, 5,..255)

t(CLK)/2 - 0.5

t(CLK)/2

tw(CLKL)

t(CLK)/2 - 0.5

t(CLK)/2

tw(CLKH) OCTOSPI clock high

and low time

(odd division)

PRESCALER[7:0] = n

(n = 2, 4, 6,..254)

(n/2) × t(CLK)

/(n+1) - 0.5

(n/2) × t(CLK)

/(n+1)

tw(CLKL)

((n/2)+1) × t(CLK)

/(n+1) - 0.5

((n/2)+1) × t(CLK)

/(n+1)

ts(IN)

Data input setup time

Voltage range 1

2.5

Voltage range 4

th(IN)

Data input hold time

Voltage range 1

0.5

Voltage range 4

tv(OUT) Data output valid time

Voltage range 1

0.5

Voltage range 4

1.5

2.5

th(OUT) Data output hold time

Voltage range 1

-0.5

Voltage range 4

-0.25

1. Evaluated by characterization. Not tested in production.

2. Measured values in this table apply to Octo- and Quad-SPI data modes.

3. Delay block bypassed.

Table 138. OCTOSPI characteristics in DTR mode (no DQS)(1)(2)(3)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

f(CLK)

OCTOSPI clock

frequency

1.71 V ≤ VDD ≤ 3.6 V

Voltage range 1

CL = 15 pF

93(4)

MHz

2.7 V ≤ VDD ≤ 3.6 V

Voltage range1

CL = 15 pF

100(4)

1.71 V ≤ VDD ≤ 3.6 V

Voltage range 4,

CL = 15 pF

24(4)

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