STCD2400 Datasheet, PDF (1/39 Pages) STMicroelectronics – Multichannel clock distribution circuit

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
Flip Chip (12-bump, 16-bump)
Applications
■ Multimode RF clock reference
■ Baseband peripheral device clock reference
■ Mobile Internet Devices (MIDs)
Table 1. Device summary
Reference
Part number
Channels
STCD22x0
STCD2200⁽¹⁾
2-channel
STCD24x0
STCD23x0
STCD2400
STCD2410⁽¹⁾
STCD2300⁽¹⁾
STCD2310⁽¹⁾
STCD2320⁽¹⁾
STCD2330⁽¹⁾
4-channel
3-channel
1. Contact local ST sales office for availability.
Enable polarity
User program
Factory program
January 2010
Doc ID 15400 Rev 2
Package
Flip Chip 12-bump
(1.2 mm x 1.6 mm)
Flip Chip 16-bump
(1.6 mm x 1.6 mm)
Flip Chip 12-bump
(1.2 mm x 1.6 mm)
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