STM6321 datasheet(22/31 Pages) STMICROELECTRONICS

22 / 31 page

DC and AC parameters

STM632x, STM682x

22/31

DocID11110 Rev 13

VOH

Output high voltage (RST)

VCC ≥ 2.7 V, ISOURCE = 500 µA,

Reset not asserted

0.8 VCC

VCC ≥ 4.5 V, ISOURCE = 800 µA

, Reset not asserted

0.8 VCC

Output high voltage (RST)

VCC ≥ 1.0 V, ISOURCE = 1 µA,

Reset asserted (0 °C to 85 °C)

0.8 VCC

VCC ≥ 1.5 V, ISOURCE = 100 µA,

Reset asserted

0.8 VCC

VCC ≥ 2.55 V, ISOURCE = 500 µA,

Reset asserted

0.8 VCC

VCC ≥ 4.25 V, ISOURCE = 800 µA,

Reset asserted

0.8 VCC

Reset thresholds

VRST(5)

Reset threshold

STM6xxxL

25 °C

4.561

4.630

4.699

–40 to 85 °C

4.514

4.746

STM6xxxM

25 °C

4.314

4.390

4.446

–40 to 85 °C

4.270

4.490

STM6xxxT

25 °C

3.040

3.080

3.110

–40 to 85 °C

3.000

3.150

STM6xxxS

25 °C

2.890

2.930

2.960

–40 to 85 °C

2.857

3.000

STM6xxxR

25 °C

2.590

2.630

2.660

–40 to 85 °C

2.564

2.696

STM6xxxZ

25 °C

2.266

2.300

2.335

–40 to 85 °C

2.243

2.358

STM6xxxY

25 °C

1.970

2.000

2.030

–40 to 85 °C

1.950

2.050

Reset threshold hysteresis

L/M versions

T/S/R/Z/Y versions

VCC to RST delay

(VRST – VCC = 100 mV, VCC

falling at 1 mV/µs)

µs

trec (6)

Reset pulse width

1.4

Blank

140

200

280

J240

360

480

Table 6. DC and AC characteristics (continued)

Sym-

bol

Alter-

native

Description

Test condition(1)

Min.

Typ.

Max.

Unit

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