PCF2120 데이터 시트보기 (PDF) - NXP Semiconductors.

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PCF2120

Quartz oscillator

NXP Semiconductors. 

PCF2120

Quartz oscillator

Rev. 01 — 5 February 2008

Product data sheet

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

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

Tstg

storage temperature

-

875 1100 nA

−65 -

+150 °C

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

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