STCD23-0 datasheet(1/39 Pages) STMICROELECTRONICS

Part #	STCD23-0

Description	Multichannel clock distribution circuit

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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January 2010

Doc ID 15400 Rev 2

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1

STCD22x0, STCD23x0, STCD24x0

Multichannel clock distribution circuit

Features

■ 2, 3 or 4 output buffered clock distribution

■ Single-ended square wave (or sine wave) clock

input

■ Rail-to-rail (0 V to VTCXO) square wave output

■ Individual enable pin for each output

■ 1.8 V, high PSRR LDO for external clock

source voltage supply (VTCXO)

■ No AC coupling capacitor needed

■ Ultra-low phase noise and standby current

■ Common system clock request, open drain,

active low

■ Clock enable signal polarities factory

programmable (STCD23x0)

■ Option pins allow clock enable polarities to be

user configurable (STCD22x0 and STCD24x0)

■ High isolation output-to-output & output-to-input

■ 2.5 V to 5.1 V battery supply voltage

■ 40 pF max load driving capability per output

■ Available in chip scale package (CSP)

■ Operating temperature : –20 °C to 85 °C

Applications

■ Multimode RF clock reference

■ Baseband peripheral device clock reference

■ Mobile Internet Devices (MIDs)

Flip Chip (12-bump, 16-bump)

Table 1.

Device summary

Reference

Part number

Channels

Enable polarity

Package

STCD22x0

STCD2200(1)

2-channel

User program

Flip Chip 12-bump

(1.2 mm x 1.6 mm)

STCD24x0

STCD2400

4-channel

Flip Chip 16-bump

(1.6 mm x 1.6 mm)

STCD2410(1)

STCD23x0

STCD2300(1)

3-channel

Factory program

Flip Chip 12-bump

(1.2 mm x 1.6 mm)

STCD2310(1)

STCD2320(1)

STCD2330(1)

1.

Contact local ST sales office for availability.

www.st.com

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