STM690AM6E datasheet(30/37 Pages) STMICROELECTRONICS

Part #	STM690AM6E

Description	5V Supervisor with Battery Switchover

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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30 / 37 page

STM690A/692A/703/704/802/805/817/818/819

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VOH

Output High Voltage (RST,

RST)

ISOURCE = 1mA,

VCC = VRST (max)

2.4

V

Output High Voltage (ECON)

VCC = VRST (max),

IOUT = 1.6mA, E = VCC

0.8VCC

V

Output High Voltage (PFO)

ISOURCE = 75µA,

VCC = VRST (max)

0.8VCC

V

VOH

Output High Voltage

ISOURCE = 4µA, VCC = 1.1V,

VBAT = VCC, TA = 0°C to 85°C

0.8

V

ISOURCE = 4µA, VCC = 1.2V,

VBAT = VCC

0.9

V

VOHB

VOH Battery Back-up (RST,

RST)

ISOURCE = 100µA,

VCC = 0, VBAT = 2.8V

0.8VBAT

V

VOH Battery Back-up (ECON)

ISOURCE = 75µA,

VCC = 0, VBAT = 2.8V

0.8VBAT

V

Power-fail Comparator (NOT available on STM818)

VPFI

PFI Input Threshold

PFI Falling

(VCC = 5V)

All other

versions

1.20

1.25

1.30

V

STM802

1.225

1.250

1.275

V

tPFD

PFI to PFO Propagation

Delay

2µs

ISC

PFO Output Short to

GND Current

VCC = 5V, VPFO = 0V

0.10.752.0

mA

Battery Switchover

VSO

Battery Back-up

Switchover Voltage (7,8)

(VCC < VBAT & VCC < VRST)

Power-down

VRST > VBAT

VBAT

V

VRST < VBAT

VRST

V

Power-up

VRST > VBAT

VBAT

V

VRST < VBAT

VRST

V

Hysteresis

40

mV

Reset Thresholds

VRST

Reset Threshold(9)

STM690A/703, STM8XXL

4.50

4.65

4.75

V

STM692A/704, STM8XXM

4.25

4.40

4.50

V

Reset Threshold Hysteresis

25

mV

VCC to RST Delay (from

VRST, VCC falling at 10V/ms)

STM817/818/819

100

µs

trec

RST Pulse Width

140

200

280

ms

Sym

Alter-

native

Description

Test Condition(1)

Min

Typ

Max

Unit

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