STM705 查看數據表（PDF） - STMicroelectronics

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STM705

5 V supervisor

STMicroelectronics 

DC and AC parameters

STM705, STM706, STM707, STM708, STM813L

Table 6.

Sym

DC and AC characteristics

Description

Test condition(1)

Min Typ

Reset thresholds

VRST Reset threshold(3)

Reset threshold hysteresis

trec RST pulse width

STM705/707/813L

STM706/708

Blank (see Table 9)

A (see Table 9)

4.50 4.65

4.25 4.40

25

140 200

160 200

Push-button reset input

tMLMH MR pulse width

150

(or tMR)

tMLRL MR to RST output delay

(tMRD)

Watchdog timer (STM705/706/813L)

tWD Watchdog timeout period

4.5 V < VCC < 5.5 V

1.12 1.60

WDI pulse width

4.5 V < VCC < 5.5 V

50

1. 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).

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

3. For VCC falling.

Max

4.75

4.50

280

280

250

2.24

Unit

V

V

mV

ms

ns

ns

s

ns

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Doc ID 10520 Rev 9

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