STM6720 datasheet(17/25 Pages) STMICROELECTRONICS

Part #	STM6720

Description	Dual/Triple Ultra-Low Voltage Supervisors with Push-Button Reset (with Delay Option)

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STM6717/6718/6719/6720/6777/6778/6779*/6780*

Table 6. DC and AC Characteristics

Sym

Alter-

native

Description

Test Condition(1)

Min

Typ

Max

Unit

VCC

Operating Voltage

0.8

5.5

V

ICC1

VCC1 Supply Current

VCC1 < 5.5V, all I/O pins open

12

35

µA

VCC1 < 3.6V, all I/O pins open

823

µA

ICC2

VCC2 Supply Current

VCC2 < 3.6V, all I/O pins open

39

µA

VCC2 < 2.75V, all I/O pins open

2.5

7

µA

ILI

(2)

Input Leakage Current

0V = VIN = VCC

–1

+1

µA

ILO

Open Drain RST Output

Leakage Current

VCC1 > VRST1, VCC2 > VRST2;

RST not asserted

0.5

µA

VOL

Output Low Voltage (RST;

Push-pull or Open Drain)

VCC1 or VCC2 ≥ 0.8V,

ISINK = 1µA, RST asserted

0.3

V

VCC1 or VCC2 ≥ 1.0V,

ISINK = 50µA, RST asserted

0.3

V

VCC1 or VCC2 ≥ 1.2V,

ISINK = 100µA, RST asserted

0.3

V

VCC1 or VCC2 ≥ 2.7V,

ISINK = 1.2mA, RST asserted

0.3

V

VCC1 or VCC2 ≥ 4.5V,

ISINK = 3.2mA, RST asserted

0.4

V

VOH

Output High Voltage

(RST; Push-pull only)

VCC1 ≥ 1.8V, ISOURCE = 200µA,

RST not asserted

0.8VCC1

V

VCC1 ≥ 2.7V, ISOURCE = 500µA,

RST not asserted

0.8VCC1

V

VCC1 ≥ 4.5V, ISOURCE = 800µA,

RST not asserted

0.8VCC1

V

tR

(3)

Push-pull RST Rise Time

(STM6718/20/78/80)

Rise time measured from 10%

to 90% of VCC;

CL = 5pF, VCC = 3.3V

525

ns

Reset Thresholds

VRST1

(4)

VTH1

VCC1 Reset Threshold

L (falling)

4.500

4.625

4.750

V

M (falling)

4.250

4.375

4.500

V

T (falling)

3.000

3.075

3.150

V

S (falling)

2.850

2.925

3.000

V

R (falling)

2.550

2.625

2.700

V

Z (falling)

2.250

2.313

2.375

V

Y (falling)

2.125

2.188

2.250

V

W (falling)

1.620

1.665

1.710

V

V (falling)

1.530

1.575

1.620

V

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