M41T62 datasheet(33/41 Pages) STMICROELECTRONICS

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M41T62/63/64/65

DC and AC parameters

Doc ID 10397 Rev 14

33/41

Table 13.

Capacitance

Symbol

Parameter(1)(2)

Effective capacitance measured with power supply at 3.6 V; sampled only, not 100% tested.

At 25°C, f = 1 MHz.

Min

Max

Unit

CIN

Input capacitance

COUT

(3)

Outputs deselected.

Output capacitance

tLP

Low-pass filter input time constant (SDA and SCL)

Table 14.

DC characteristics

Sym

Parameter

Test condition(1)

Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = 1.3 V to 4.4 V (except where noted).

Min

Typ

Max

Unit

VCC

(2)

Oscillator startup guaranteed at 1.5 V only.

Operating voltage

Clock

1.0

4.4

I2C bus (400 kHz)

1.3

4.4

ICC1 Supply current

SCL = 400 kHz

(no load)

4.4 V

100

µA

3.6 V

µA

3.0 V

µA

2.5 V

µA

2.0 V

µA

ICC2

Supply current

(standby)

SCL = 0 Hz

all inputs

≥ VCC – 0.2 V

≤ VSS + 0.2 V

SQW off

4.4 V

950

3.6 V

375

700

3.0 V at 25 °C

350

2.0 V at 25 °C

310

VIL Input low voltage

–0.2

0.3 VCC

VIH Input high voltage

0.7 VCC

VCC+0.3

VOL

Output low voltage

VCC = 4.4 V, IOL = 3.0 mA

(CMOS or open drain)

0.4

VCC = 4.4 V, IOL = 1.0 mA

(SQW, WDO, IRQ)

0.4

VOH Output high voltage

VCC = 4.4 V, IOH = –1.0 mA (push-pull)

2.4

Pull-up supply

voltage (open drain)

IRQ/OUT, IRQ/FT/OUT, WDO, SQW

(M41T64 only)

4.4

ILI

Input leakage current

0 V

≤ VIN ≤ VCC

±1

μA

ILO

Output leakage

current

0 V

≤ VOUT ≤ VCC

±1

μA

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