PCF85263ATLSLASHA datasheet(5/92 Pages) NXP

5 / 92 page

NXP Semiconductors

PCF85263A

Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus

PCF85263ATT1

OSCI

10 VDD

OSCO

9 INTA (CLK)

VBAT

8 CLK

TS (CLK/INTB)

7 SCL

VSS

6 SDA

aaa-009082

For mechanical details, see Figure 48.

Figure 5. Pin configuration for PCF85263ATT1 (TSSOP10)

aaa-032284

Transparent top view

PCF85263AUK

For mechanical details, see Figure 49.

Figure 6. Pin configuration for PCF85263AUK (WLCSP12)

6.2 Pin description

Input or input/output pins must always be at a defined level (VSS or VDD) unless otherwise specified.

Description

Symbol

PCF85263AT

(SO8)

PCF85263ATL

(DFN2626-10)

PCF85263ATT

(TSSOP8)

PCF85263ATT1

(TSSOP10)

PCF85263AUK

(WLCSP12)

Type

Primary use

Secondary use

OSCI

input

oscillator input

OSCO

output

oscillator output

VBAT

supply

battery backup supply

voltage [1]

can be configured with TSPM[1:0] [2]

TS (CLK/INTB)

input/

output

timestamp input

INTB and CLK

output (push-pull);

stop-watch control

VSS

5 [3]

D2, D3

supply

ground supply voltage

SDA

input/

output

serial data line

SCL

input

serial clock input

CLK

output

CLK (push-pull)

can be configured with INTAPM[1:0] [4]

INTA (CLK)

output

interrupt output

(open-drain)

CLK output (open-

drain)

VDD

A1, C2

supply

supply voltage

Table 3. Pin description

PCF85263A

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 5 — 1 February 2021

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