STM706P datasheet(20/26 Pages) STMICROELECTRONICS

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STM706T/S/R; STM706P; STM708T/S/R

20/26

Note: 1. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = VRST (max) to 5.5V (except where noted).

2. VCC (min) = 1.0V for TA = 0°C to +85°C.

3. For VCC falling.

VOL

Output Low Voltage (PFO,

RST, RST, WDO)

VCC = VRST (max),

ISINK = 3.2mA

0.3

VOL

Output Low Voltage (RST)

ISINK = 50µA, VCC = 1.0V,

TA = 0°C to 85°C

0.3

ISINK = 100µA, VCC = 1.2V

0.3

VOH

Output High Voltage (RST,

RST, WDO)

ISOURCE = 1mA,

VCC = VRST (max)

2.4

Output High Voltage (PFO)

ISOURCE = 75µA,

VCC = VRST (max)

0.8VCC

Power-fail Comparator

VPFI

PFI Input Threshold

PFI Falling

(STM70xP/R, VCC = 3.0V;

STM70xS/T, VCC = 3.3V)

1.20

1.25

1.30

tPFD

PFI to PFO Propagation Delay

µs

Reset Thresholds

VRST

Reset Threshold(3)

STM706P/70xR

2.55

2.63

2.70

STM70xS

2.85

2.93

3.00

STM70xT

3.00

3.08

3.15

Reset Threshold Hysteresis

trec

RST Pulse Width

140

200

280

Push-button Reset Input

tMLMH

tMR

MR Pulse Width

VRST (max) < VCC < 3.6V

500

4.5V < VCC < 5.5V

150

tMLRL

tMRD

MR to RST Output Delay

VRST (max) < VCC < 3.6V

750

4.5V < VCC < 5.5V

250

Watchdog Timer (STM706T/S/R and STM706P)

tWD

Watchdog Timeout Period

STM706P/70xR,

VCC = 3.0V

1.12

1.60

2.24

STM70xS/70XT,

VCC = 3.3V

WDI Pulse Width

4.5V < VCC < 5.5V

VRST (max) < VCC < 3.6V

100

Sym

Alter-

native

Description

Test Condition(1)

Min

Typ

Max

Unit

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