STR910FAM32X6 datasheet(63/99 Pages) STMICROELECTRONICS

63 / 99 page

STR91xFAx32 STR91xFAx42 STR91xFAx44

Electrical characteristics

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7.6

Supply current characteristics

VDDQ = 2.7 - 3.6V, VDD = 1.65 - 2V, TA = -40 / 85 °C unless otherwise specified.

Figure 15.

Sleep mode current vs temperature with LVD on

Table 16.

Supply current characteristics

Symbol

Parameter

Test Conditions

Value

Unit

Min

Typ

Max

IDDRUN

Run Mode Current

All peripherals

CPU_CLK =

96 MHz

(1)(2)

ARM core and peripherals active with all clocks on. Power can be conserved by turning off clocks to

peripherals which are not required.

mA/MHz data valid down to 10 MHz. Below this frequency the ratio mA/MHz increases.

1.7

2.3

mA/MHz

All peripherals

off

1.3

1.6

IIDLE

Idle Mode Current

All peripherals on (2)(3)

ARM core stopped and all peripheral clocks active.

1.14

1.7

mA/MHz

All peripherals off(2)(4)

ARM core stopped and all peripheral clocks stopped.

0.45

0.75

mA/MHz

ISLEEP(IDD)

Sleep Mode

Current, IDD

LVD On (5)

825

µA

LVD Off (5)

ARM core and all peripheral clocks stopped (with exception of RTC)

820

µA

ISLEEP(IDDQ)

Sleep Mode

Current, IDDQ

LVD On (4)

7TBD

µA

LVD Off (4)

7TBD

µA

IRTC_STBY

RTC Standby

Current

Measured on VBATT pin

0.9

1.2

µA

ISRAM_STBY

SRAM Standby

Current

Measured on VBATT pin

240

µA

200

400

600

800

1000

1200

1400

1600

1800

2000

100

120

-20

-40

TEMP [°C]

Vcc = 1.8 V and

Vcc = 2.0 V

and corner process

standard process

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