STM690 datasheet(24/31 Pages) STMICROELECTRONICS

24 / 31 page

STM690/704/795/802/804/805/806

24/31

VOL

Output Low Voltage (PFO,

RST, RST, Vccsw)

VCC = VRST (max),

ISINK = 3.2mA

0.3

Output Low Voltage (ECON)

VCC = VRST (max),

IOUT = 1.6mA, E = 0V

0.2VCC

VOL

Output Low Voltage (RST)

IOL = 40µA; VCC = 1.0V;

VBAT = VCC;

TA = 0°C to 85°C

0.3

IOL = 200µA;

VCC = 1.2V; VBAT = VCC

0.3

VOH

Output High Voltage (RST,

RST)(7)

ISOURCE = 1mA,

VCC = VRST (max)

2.4

Output High Voltage (ECON)

VCC = VRST (max),

IOUT = 1.6mA, E = VCC

0.8VCC

Output High Voltage (PFO)

ISOURCE = 75µA,

VCC = VRST (max)

0.8VCC

VOHB

VOH Battery Back-up (ECON,

Vccsw, RST)

ISOURCE = 100µA,

0.8VBAT

Power-fail Comparator (NOT available on STM795)

VPFI

PFI Input Threshold

PFI Falling

(VCC < 3.6V)

STM802/

804/806

1.212

1.237

1.262

STM690/

704/805

1.187

1.237

1.287

PFI Hysteresis

PFI Rising (VCC < 3.6V)

tPFD

PFI to PFO Propagation

Delay

2µs

ISC

PFO Output Short to

GND Current

VCC = 3.6V, PFO = 0V

0.1

0.75

2.0

Battery Switchover

VSO

Battery Back-up

Switchover Voltage (8,9)

Power-down

VBAT > VSW

VSW

VBAT < VSW

VBAT

Power-up

VBAT > VSW

VSW

VBAT < VSW

VBAT

VSW

2.4

Hysteresis

Sym

Alter-

native

Description

Test Condition(1)

Min

Typ

Max

Unit

STM690 Datasheet(PDF) 24 Page - STMicroelectronics

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