SRC0 datasheet(39/48 Pages) STMICROELECTRONICS

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SRC0

DC and AC characteristics

This section summarizes the operating measurement conditions and the DC and AC

characteristics of the device. The parameters inTable 5 that follow are derived from tests

performed under the measurement conditions summarized in Table 4. Designers should

check that the operating conditions in their circuit match the operating conditions when

relying on the quoted parameters.

Table 4. Operating and AC measurement conditions

Parameter

Condition

Unit

VCC supply voltage

1.6 to 5.5

Ambient operating temperature (TA)

–40 to 85

°C

Input rise and fall times

_5ns

Table 5. DC and AC characteristics

Symbol

Parameter

Test condition(1)

Min.

Typ.(2)

Max.

Unit

VCC

Supply voltage

1.6

5.5

ICC

Supply current

VCC = 3.6 V, no load

6.0

8.0

µA

Standby mode, enable

deasserted, VCC = 3.6 V

0.6

1.0

µA

VTH+

Power-on lockout voltage

3.29

3.40

3.51

VHYST

Threshold hysteresis

200

500

VTH–

Forced power-off voltage

VTH+ – VHYST

tTH–

Undervoltage detection to

INT delay

VCC 2.0V20

tON_BLANK Blanking period

(3)

1.4

2.2

3.0

5.6

8.8

12.0

11.2

17.6

24.0

RST assertion to EN (EN)

assertion delay during

power-up

VCC 3.6 V

100

VIL

Input low voltage

VCC 2.0V, enable asserted

0.99

VIH

Input high voltage

VCC 2.0V, enable asserted

1.05

tDEBOUNC

Debounce period

VCC 2.0V20

RPB

Internal pull-up resistor

VCC = 5.5 V, input asserted

100

135



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