STM706P2 datasheet(25/32 Pages) STMICROELECTRONICS

25 / 32 page

STM706T/S/R, STM706P, STM708T/S/R

DC and AC parameters

Doc ID 10518 Rev 12

25/32

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

Blank (see Table 9)

140

200

280

A(4) (see Table 9)

160

200

280

Push-button reset input

tMLMH

(or tMR)

MR pulse width

VRST (max.) < VCC < 3.6 V

500

4.5 V < VCC < 5.5 V

150

tMLRL

(or tMRD)

MR to RST output delay

VRST (max.) < VCC < 3.6 V

750

4.5 V < VCC < 5.5 V

250

Watchdog timer (STM706T/S/R and STM706P)

tWD

Watchdog timeout period

STM706P/70xR,

VCC = 3.0 V

1.12

1.60

2.24

STM70xS/70XT,

VCC = 3.3 V

WDI pulse width

4.5 V < VCC < 5.5 V

VRST (max.) < VCC < 3.6 V

100

Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = VRST (max.) to 5.5 V (except where noted).

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

For VCC falling.

STM706P/STM70xR device, VCC = 3 V; STM706xS/STM70xT device, VCC = 3.3 V.

Table 6.

DC and AC characteristics (continued)

Symbol

Description

Test condition(1)

Min.

Typ.

Max.

Unit

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