STM705AM6F datasheet(26/32 Pages) STMICROELECTRONICS

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DC and AC parameters

STM705, STM706, STM707, STM708, STM813L

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Doc ID 10520 Rev 9

Reset thresholds

VRST Reset threshold

(3)

STM705/707/813L

4.50

4.65

4.75

STM706/708

4.25

4.40

4.50

Reset threshold hysteresis

trec

RST pulse width

Blank (see Table 9)

140

200

280

A (see Table 9)

160

200

280

Push-button reset input

tMLMH

(or tMR)

MR pulse width

150

tMLRL

(tMRD)

MR to RST output delay

250

Watchdog timer (STM705/706/813L)

tWD

Watchdog timeout period

4.5 V < VCC < 5.5 V

1.12

1.60

2.24

WDI pulse width

4.5 V < VCC < 5.5 V

Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = 4.75 V to 5.5 V for STM705/707/813L;

VCC = 4.5 V to 5.5 V for STM706/708 (except where noted).

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

For VCC falling.

Table 6.

DC and AC characteristics

Sym

Description

Test condition(1)

Min

Typ

Max

Unit

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