TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1

PROCESSOR SUPERVISORY CIRCUITS

SGLS143A – DECEMBER 2002 – REVISED JANUARY 2003

6

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TPS382x-25

VDD = VIT– + 0.2 V

IOH = –20 µA

08

× V

RESET

TPS382x-30

TPS382x-33

VDD = VIT– + 0.2 V

IOH = –30 µA

0.8

× VDD

V

TPS382x-50

VDD = VIT– + 0.2 V

IOH = –120 µA

VDD – 1.5 V

VOH

High-level output voltage

TPS3824-25

TPS3825-25

VDD ≥ 1.8 V, IOH = –100 µA

RESET

TPS3824-30

TPS3825-30

08

× V

V

RESET

TPS3824-33

TPS3825-33

VDD ≥ 1.8 V, IOH = –150 µA

0.8

× VDD

V

TPS3824-50

TPS3825-50

TPS3824-25

TPS3825-25

VDD = VIT– + 0.2 V

IOL = 1 mA

RESET

TPS3824-30

TPS3825-30

VDD = VIT– + 0.2 V

04

V

RESET

TPS3824-33

TPS3825-33

VDD = VIT– + 0.2 V

IOL = 1.2 mA

0.4

V

VOL

Low-level output voltage

TPS3824-50

TPS3825-50

VDD = VIT– + 0.2 V

IOL = 3 mA

TPS382x-25

VDD = VIT– – 0.2 V

IOL = 1 mA

RESET

TPS382x-30

VDD = VIT– –0.2 V

045

V

RESET

TPS382x-33

VDD = VIT– 0.2 V

IOL = 1.2 mA

0.45

V

TPS382x-50

VDD = VIT– – 0.2 V

IOL = 3 mA

Power-up reset voltage (see Note 2)

VDD ≥ 1.1 V, IOL = 20 µA

0.4

V

TPS382x-25

2.21

2.25

2.30

TPS382x-30

T0

°Cto85°C

2.59

2.63

2.69

V

TPS382x-33

TA = 0°C to 85°C

2.88

2.93

3

V

V

Negative-going input threshold

TPS382x-50

4.49

4.55

4.64

VIT–

Negative going in ut threshold

voltage (see Note 3)

TPS382x-25

2.19

2.25

2.30

TPS382x-30

T

40

°Cto125°C

2.55

2.63

2.69

V

TPS382x-33

TA = – 40°C to 125°C

2.84

2.93

3

V

TPS382x-50

4.44

4.55

4.65

TPS382x-25

V

Hysteresis at V

input

TPS382x-30

30

mV

Vhys

Hysteresis at VDD input

TPS382x-33

30

mV

TPS382x-50

50

NOTES:

2. The lowest supply voltage at which RESET becomes active. tr, VDD ≥ 15 µs/V

3. To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1

µF) should be placed near the supply terminals.