XM33C321ASPZR datasheet(47/122 Pages) TI2

47 / 122 page

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VBOR1+

Brown-out-reset voltage level 1

Rising (1)

2.13

2.17

2.21

VBOR1-

Falling (1)

2.10

2.14

2.18

VBOR1, STBY

STANDBY mode

2.06

2.13

2.215

VBOR2+

Brown-out-reset voltage level 2

Rising (1)

2.73

2.77

2.82

VBOR2-

Falling (1)

2.7

2.74

2.79

VBOR2, STBY

STANDBY mode

2.62

2.71

2.8

VBOR3+

Brown-out-reset voltage level 3

Rising (1)

2.88

2.96

3.04

VBOR3-

Falling (1)

2.85

2.93

3.01

VBOR3, STBY

STANDBY mode

2.82

2.92

3.02

VHYS,BOR

Brown-out reset hysteresis

Level 0

Levels 1-3

tPD:BOR

BOR propagation delay

RUN/SLEEP/STOP

mode

µs

STANDBY mode

100

(1)

Device operating in RUN, SLEEP, or STOP mode.

7.7.3 VBat Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VBAT

Power supply range

1.62

3.6

dVBAT/dt VBAT (supply voltage) slew rate

Rising

0.1

V/µs

Falling,standby (2)

0.1

V/ms

VPOR+

(VBAT)

Power-on reset voltage level

Rising (1)

0.95

1.3

1.59

VPOR-

(VBAT)

Falling (1)

0.9

1.25

1.54

VHYS,

POR(VBAT)

POR hysteresis

VBOR0+,

COLD(VBAT

)

Brown-out reset voltage level

Cold start, rising (1)

1.5

1.56

1.62

VBOR0+

(VBAT)

Rising (1) (2)

1.55

1.59

1.62

VBOR0-

(VBAT)

Falling (1) (2)

1.53

1.56

1.61

VHYS,

BOR(VBAT)

BOR hysteresis

tPU(VBAT) Cold power up time

1.2

ICHARGE

Charging peak current

VDD=3.3, VBAT=0V

1.7

RSWITCH

Internal switch resistance between VBAT

and VDD

0.9

2.3

4.3

kΩ

ITRIP

Min current for internal comparator to

detect reverse current from VBAT to VDD

VDD sinking , 1.62<VBAT<3.3

100

µA

(1)

|dVDD/dt| ≤ 3V/s

(2)

Device operating in Standby Mode

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MSPM33C321A, MSPM33C3219

SLASFB6A – DECEMBER 2025 – REVISED SEPTEMBER 2026

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