STM6321 datasheet(20/29 Pages) STMICROELECTRONICS

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DC and AC parameters

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

20/29

Table 6.

DC and AC characteristic

Sym

Alter-

native

Description

Test condition (1)

Min

Typ

Max

Unit

VCC

Operating voltage

1.2 (2)

5.5

ICC

VCC supply current

(MR and WDI unconnected)

T/S/R/Z/Y (VCC < 3.6 V)

µA

L/M (VCC < 5.5 V)

µA

VCC supply current

(MR unconnected;

STM6322/6825)

T/S/R/Z/Y (VCC < 3.6 V)

µA

L/M (VCC < 5.5 V)

µA

ILI

Input leakage current

0V = VIN = VCC

–1

µA

Input leakage current

(WDI)(3)

WDI = VCC, time average

120

160

µA

WDI = GND, time average

–20

–15

µA

ILO

Open drain reset output

leakage current

VCC > VRST,

Reset not asserted

–1

µA

VIH

Input high voltage (MR)

VRST > 4.0 V

2.0

VRST < 4.0 V

0.7VCC

VIH

Input high voltage (WDI) (4)

VRST (max) < VCC < 5.5 V

0.7VCC

VIL

Input low voltage (MR)

VRST > 4.0 V

0.8

VRST < 4.0 V

0.3VCC

VIL

Input low voltage (WDI) (4)

VRST (max) < VCC < 5.5 V

0.3VCC

VOL

Output low voltage (RST;

push-pull or open drain)

VCC ≥ 1.0 V, ISINK = 50 µA,

Reset asserted

0.3

VCC ≥ 1.2 V, ISINK = 100 µA,

Reset asserted

0.3

VCC ≥ 2.7 V, ISINK = 1.2 mA,

Reset asserted

0.3

VCC ≥ 4.5 V, ISINK = 3.2 mA,

Reset asserted

0.4

Output low voltage (RST;

push-pull only)

VCC ≥ 2.7 V, ISINK = 1.2 mA,

Reset not asserted

0.3

VCC ≥ 4.5 V, ISINK = 3.2 mA,

Reset not asserted

0.4

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