SPC564BXX datasheet(76/118 Pages) STMICROELECTRONICS

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Electrical Characteristics

SPC564Bxx - SPC56ECxx

76/118

Doc ID 17478 Rev 4

4.13

Slow external crystal oscillator (32 kHz) electrical

characteristics

The device provides a low power oscillator/resonator driver.

gmFXOSC

CC C

Fast external crystal

oscillator

transconductance

VDD = 3.3 V ± 10%

8.699

13.159

15.846

mA/V

VDD = 5.0 V ± 10%

9.440

13.159

16.859

VFXOSC

CC T

Oscillation

amplitude at EXTAL

fOSC = 40 MHz

For both VDD = 3.3 V ±

10%, VDD = 5.0 V ±

10%

—0.95

—

VFXOSCOP CC P

Oscillation

operating point

——

1.8

IFXOSC

(3)

CC T

Fast external crystal

oscillator

consumption

VDD = 3.3 V ± 10%,

fOSC = 40 MHz

—2

2.2

VDD = 5.0 V ± 10%,

fOSC = 40 MHz

—2.3

2.5

VDD = 3.3 V ± 10%,

fOSC = 16 MHz

—1.3

1.5

VDD = 5.0 V ± 10%,

fOSC = 16 MHz

—1.6

1.8

TFXOSCSU

CC T

Fast external crystal

oscillator start-up

time

fOSC = 40 MHz

For both VDD = 3.3 V ±

10%, VDD = 5.0 V ±

10%

——

VIH

SR P

Input high level

CMOS

(Schmitt Trigger)

Oscillator bypass

mode

0.65VDD_HV_A

—VDD_HV_A +0.4

VIL

SR P

Input low level

CMOS

(Schmitt Trigger)

Oscillator bypass

mode

−0.3

—

0.35VDD_HV_A

VDD = 3.3 V ± 10% / 5.0 V ± 10%, TA = −40 to 125 °C, unless otherwise specified.

All values need to be confirmed during device validation.

Stated values take into account only analog module consumption but not the digital contributor (clock tree and enabled

peripherals).

Table 36.

Fast external crystal oscillator (4 to 40 MHz) electrical characteristics (continued)

Symbol

Parameter

Conditions(1)

Value(2)

Unit

Min

Typ

Max

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