PCF2127TSLASH2Y datasheet(2/100 Pages) PHILIPS

2 / 100 page

PCF2127

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Product data sheet

Rev. 8 — 19 December 2014

2 of 100

NXP Semiconductors

PCF2127

Accurate RTC with integrated quartz crystal for industrial applications

 Programmable 1 second or 1 minute interrupt

 Programmable watchdog timer with interrupt

 Programmable alarm function with interrupt capability

 Programmable square wave output pin

 Programmable countdown timer with interrupt

 Clock operating voltage: 1.8 V to 4.2 V

 Low supply current: typical 0.70

A at V

DD =3.3 V

Applications

 Electronic metering for electricity, water, and gas

 Precision timekeeping

 Access to accurate time of the day

 GPS equipment to reduce time to first fix

 Applications that require an accurate process timing

 Products with long automated unattended operation time

Ordering information

4.1 Ordering options

Marking

Table 1.

Ordering information

Type number

Package

Name

Description

Version

PCF2127AT

SO20

plastic small outline package; 20 leads;

body width 7.5 mm

SOT163-1

PCF2127T

SO16

plastic small outline package; 16 leads;

body width 7.5 mm

SOT162-1

Table 2.

Ordering options

Product type number

Orderable part number Sales item

(12NC)

Delivery form

revision

PCF2127AT/2

PCF2127AT/2Y

935299867518

tape and reel, 13 inch, dry pack

PCF2127T/2

PCF2127T/2Y

935299866518

tape and reel, 13 inch, dry pack

Table 3.

Marking codes

Product type number

Marking code

PCF2127AT/2

PCF2127AT

PCF2127T/2

PCF2127T

PCF2127T/2Y 数据表(PDF) 2 Page - NXP Semiconductors

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