PCF85263ATLSLASHA datasheet(7/102 Pages) NXP

Part #	PCF85263ATL/A

Description	Tiny RTC/Calendar with Alarm Function, Battery Switch-Over, Time Stamp Input, and I2C-bus

PDF	102 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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NXP Semiconductors

PCF85263A

Tiny RTC/Calendar with Alarm Function, Battery Switch-Over, Time Stamp Input, and I2C-bus

6 Pinning information

This section provides the pin configuration and description for PCF85263A.

6.1 Pinning

The figures given below show pinning for various packages of PCF85263A.

PCF85263AT

OSCI

8 VDD

OSCO

7 INTA(CLK)

VBAT

6 SCL

VSS

5 SDA

aaa-009079

For mechanical details, see Figure 45.

Figure 2. Pin configuration for PCF85263AT (SO8)

terminal 1

index area

PCF85263ATL

OSCI

10 VDD

OSCO

9 INTA (CLK)

VBAT

8 CLK

TS (CLK/INTB)

7 SCL

VSS

6 SDA

aaa-009081

Transparent top view

For mechanical details, see Figure 46.

Figure 3. Pin configuration for PCF85263ATL (DFN2626-10)

PCF85263ATT

OSCI

8 VDD

OSCO

7 INTA(CLK)

VBAT

6 SCL

VSS

5 SDA

aaa-011437

For mechanical details, see Figure 47.

Figure 4. Pin configuration for PCF85263ATT (TSSOP8)

PCF85263A

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Product data sheet

Rev. 5.4 — 12 December 2025

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