STM6823 datasheet(21/29 Pages) STMICROELECTRONICS

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STM6321/6322STM6821/6822/6823/6824/6825

DC and AC parameters

21/29

VOH

Output high voltage (RST)

VCC ≥ 2.7 V, ISOURCE = 500 µA,

Reset not asserted

0.8VCC

VCC ≥ 4.5 V, ISOURCE = 800 µA

, Reset not asserted

0.8VCC

Output high voltage (RST)

VCC ≥ 1.0 V, ISOURCE = 1 µA,

Reset asserted (0°C to 85°C)

0.8VCC

VCC ≥ 1.5 V, ISOURCE = 100 µA,

Reset asserted

0.8VCC

VCC ≥ 2.55 V, ISOURCE = 500 µA,

Reset asserted

0.8VCC

VCC ≥ 4.25 V, ISOURCE = 800 µA,

Reset asserted

0.8VCC

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

240

360

480

Table 6.

DC and AC characteristic (continued)

Sym

Alter-

native

Description

Test condition (1)

Min

Typ

Max

Unit

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