PCF2120TK datasheet(1/14 Pages) NXP

部件名	PCF2120TK

功能描述	Quartz oscillator

PDF	14 Pages

Scroll/Zoom	100%

制造商	NXP [NXP Semiconductors]

网页	http://www.nxp.com

标志

1 / 14 page

1.

General description

The PCF2120 is a CMOS quartz oscillator optimized for low power consumption.

The 32 kHz output signal is gated using an enable signal.

2.

Features

I Clock operating voltage: 1.5 V to 5.5 V

I Low backup current: typical 0.85 µA at VDD = 3.0 V and Tamb =25 °C

I 32.768 kHz output for peripheral devices

I Two integrated oscillator capacitors

I Push-pull output

I Internal power-on reset

3.

Applications

I Portable instruments

I Industrial products

I Battery powered products

4.

Quick reference data

[1]

For reliable oscillator start-up at power-up: VDD >VDD(min) + 0.3 V.

PCF2120

Quartz oscillator

Rev. 01 — 5 February 2008

Product data sheet

Table 1.

Quick reference data

Symbol Parameter

Conditions

Min

Typ

Max

Unit

VDD

supply voltage

[1] 1.5

-

5.5

V

IDD

supply current

clock output disabled

VDD = 2.0 V; Tamb =25 °C

-

210

450

nA

VDD = 3.0 V;

Tamb = −40 °C to +85 °C

-

265

650

nA

clock output enabled at 32 kHz

VDD = 2.0 V; Tamb =25 °C

-

615

900

nA

VDD = 3.0 V;

Tamb = −40 °C to +85 °C

-

875

1100

nA

Tstg

storage temperature

−65

-

+150

°C

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