M41T82 datasheet(46/58 Pages) STMICROELECTRONICS

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DC and AC parameters

M41T82 M41T83

46/58

Table 20.

DC characteristics

Sym

Parameter

Test condition(1)

Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 2.38 V to 5.5 V (except where noted).

Min

Typ

Max

Unit

VCC

Operating voltage (S)

–40 to 85°C

3.00

5.50

Operating voltage (R)

–40 to 85°C

2.70

5.50

Operating voltage (Z)

–40 to 85°C

2.38

5.50

ILI

Input leakage current

≤ VIN ≤ VCC

±1

μA

ILO

Output leakage current

≤ VOUT ≤ VCC

±1

μA

ICC1 Supply current

SCL = 400kHz

(No load)

5.5 V

125

150

µA

3.0 V

µA

2.5 (Z only)

µA

ICC2 Supply current (standby)

SCL = 0Hz;

All inputs

≥ VCC – 0.2 V or

≤ VSS + 0.2 V

(SQWE bit = 0)

5.5 V

µA

3.0 V

6.5

µA

VIL

Input low voltage

–0.3

0.3VCC

VIH

Input high voltage

0.7VCC

VCC+0.3

VOL Output low voltage

RST, FT/RST

VCC/VBAT = 3.0 V,

IOL = 1.0 mA

0.4

SQW, IRQ1/FT/OUT

VCC = 3.0 V,

IOL = 1.0 mA

0.4

SCL, SDA

VCC = 3.0 V,

IOL = 3.0 mA

0.4

VOH Output high voltage

VCC = 3.0 V, IOH = –1.0 mA (push-pull)

2.4

Pull-up supply voltage

(open drain)

IRQ1/FT/OUT

5.5

VBAT

Battery back-up supply

voltage(2)

For non-rechargeable Lithium battery.

2.5

5.5

VCAP

Capacitor back-up

supply voltage

2.0

5.5

IBAT Battery supply current

25°C; VCC = 0 V; OSC On;

VBAT = 3 V; 32 KHz Off

365

450

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