PCF2131 datasheet(59/86 Pages) NXP

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NXP Semiconductors

PCF2131

Nano-power highly accurate RTC with integrated quartz crystal

9 Static characteristics

VDD = 1.2 V to 5.5 V; VSS = 0 V; Tamb = -40 °C to +85 °C, unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supplies

VDD

supply voltage

[1] 1.2

5.5

VBAT

battery supply voltage

1.2

5.5

Vlow

low voltage

1.15

interface active; supplied by VDD

SPI-bus (fSCL = 6.5 MHz)

800

µA

I2C-bus (fSCL = 400 kHz)

200

µA

interface inactive (fSCL = 0 Hz) [3] ; TCR[1:0] = 00 (see Table 16)

PWRMNG[2:0] = 111 (see Table 22);

COF[2:0] = 111 (see Table 18)

TC_DIS = 1 (see Table 5); 100TH_S_DIS = 1 (see Table 5)

VDD = 1.2 V

400

VDD = 3.3 V

350 [4]

VDD = 5.5 V

450

PWRMNG[2:0] = 111 (see Table 22);

COF[2:0] = 111 (see Table 18)

TC_DIS = 0 (see Table 5); 100TH_S_DIS = 1 (see Table 5)

VDD = 1.2 V

101

500

VDD = 3.3 V

450

VDD = 5.5 V

550

PWRMNG[2:0] = 111 (see Table 22);

COF[2:0] = 000 (see Table 18)

TC_DIS = 0 (see Table 5); 100TH_S_DIS = 0 (see Table 5);

VDD = 1.2 V

[5] -

460

770

VDD = 3.3 V

[5] -

1035

1365

VDD = 5.5 V

[5] -

1670

2135

PWRMNG[2:0] = 000 (see Table 22);

COF[2:0] = 111 (see Table 18)

TC_DIS = 0 (see Table 5); 100TH_S_DIS = 0 (see Table 5)

VDD = 1.8 V, VBAT = 1.5 V

118

500

VDD = 3.3 V, VBAT = 3.3 V

104

500

VDD = 5.5 V, VBAT = 3.3 V

107

550

VBAT = 1.2 V, IBAT

[6] -

104

565

VBAT = 3.3 V, IBAT:

[6] -

450

IDD

supply current [2]

VBAT = 5.5 V, IBAT:

[6] -

625

Table 89. Static characteristics

PCF2131

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Product data sheet

Rev. 1.1 — 15 October 2021

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