PCF85063ATLSLASH1 datasheet(38/55 Pages) NXP

38 / 55 page

NXP Semiconductors

PCF85063A

Tiny Real-Time Clock/calendar with alarm function and I2C-bus

aaa-005841

100

200

400

600

800

RS (kΩ)

IIDD

IDD

(nA)

(4)

(3)

(2)

(1)

VDD = 3.3 V; CLKOUT disabled.

1. CL(itg) = 12.5 pF; 50 °C; maximum value.

2. CL(itg) = 7 pF; 50 °C; maximum value.

3. CL(itg) = 12.5 pF; 25 °C; typical value.

4. CL(itg) = 7 pF; 25 °C; typical value.

Figure 28. IDD with respect to quartz RS

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-3

-1.5

1.5

VDD (V)

Δf

Δfosc

osc

Δfosc

(ppm)

(1)

(2)

Tamb = 25 °C.

1. CL(itg) = 7 pF.

2. CL(itg) = 12.5 pF.

Figure 29. Oscillator frequency variation with respect to VDD

VDD = 1.8 V to 5.5 V; VSS = 0 V; Tamb = -40 °C to +85 °C; fosc = 32.768 kHz; quartz Rs = 60 kΩ; CL = 7 pF; unless otherwise

specified. All timing values are valid within the operating supply voltage and temperature range and referenced to VIL and

VIH with an input voltage swing of VSS to VDD[1].

Symbol

Parameter

Conditions

Min

Max

Unit

capacitive load for

each bus line

400

fSCL

SCL clock frequency

[2] 0

400

kHz

Table 41. I2C-bus characteristics

PCF85063A

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Product data sheet

Rev. 7.1 — 8 November 2023

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