Features: Single chip source for 622.08MHz and 155.52MHz clocks 622.08MHz output is differential PECL, 155.52MHz output is single-ended PECL TTL/CMOS compatible inputs and reference output SONET compliant jitter performance (0.01UI) Choice of three reference frequencies Only 395mW (typ) Complies w...
SY89426: Features: Single chip source for 622.08MHz and 155.52MHz clocks 622.08MHz output is differential PECL, 155.52MHz output is single-ended PECL TTL/CMOS compatible inputs and reference output SONET com...
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Symbol | Parameter | Value | Unit |
VCC | Power Supply | 0 to 7.0 | V |
VI | Input Voltage | 0 to VCC | V |
IOUT |
Output Current Continuous -Surge |
75 | mA |
TA | Operating Temperature Range | 40 to +85 | °C |
Tstore | Storage Temperature Range | 65 to +150 | °C |
Micrel-Synergy's SY89426 Multi-Output Phase Locked Loop (PLL) is a SONET compliant clock generator providing 622.08MHz, 155.52MHz and retimed reference clock outputs. The SY89426 PLL produces low jitter OC-12/STS-12 and OC-3/STS-3 rate clocks from an input reference clock of 38.88, 51.84, or 77.76MHz. Additionally, the input reference clock is retimed and provided as a TTL/CMOS compatible output, which may be disabled to minimize switching noise. The SY89426 operates from a single +5 volt supply, and requires only a simple series RC loop filter.Coupling Micrel-Synergy's advanced PLL technology with our proprietary ASSET™ bipolar process has produced a clock generator IC which exceeds applicable Bellcore and ANSI specifications, while setting a new standard for performance and flexibility.