SY89534L
SY89534L is PROGRAMMABLE LVPECL AND LVDS BUS CLOCK SYNTHESIZER manufactured by Micrel Semiconductor.
FEATURES s Integrated synthesizer plus fanout buffers, clock dividers, and translator in a single 64-pin package s Accepts any reference input between 14MHz to 160MHz (single-ended or differential) s 33MHz to 500MHz output frequency range s LVPECL outputs (SY89534L) LVPECL and LVDS outputs (SY89535L) s 3.3V ±10% power supply s Low jitter: <50ps cycle-to-cycle s Low pin-to-pin skew: <50ps s TTL/CMOS patible control logic s 3 independently programmable output frequency banks:
- 9 differential output pairs @Bank B (LVPECL/LVDS)
- 2 differential output pairs @Bank A (LVPECL)
- 2 differential output pairs @Bank C (LVPECL) s Available in 64-pin EPAD-TQFP
Precision Edge®
DESCRIPTION
The SY89534L and SY89535L programmable clock synthesizers are a 3.3V, high-frequency, precision PLL-based family optimized for multi-frequency, large clock-tree applications that require the highest precision. These devices integrate the following blocks into a single monolithic IC:
- PLL (Phase-Lock-Loop)-based synthesizer
- Fanout buffer
- Clock generator (divider)
- Logic translation (LVPECL, LVDS)
The SY89534L and SY89535L includes a flexible input design that accepts any reference input; single-ended LVTTL/ CMOS, SSTL and differential LVPECL, LVDS, HSTL and CML.
This level of integration minimizes the additive jitter and part-to-part skew associated with the discrete alternative, resulting in superior system-level timing as well as reduced board space and power. For applications that must interface to a crystal oscillator, see the SY89532/33.
Data sheets and support documentation can be found on Micrel’s web site at .micrel..
APPLICATIONS s Servers s Workstations s Parallel processor-based systems s Other high-performance puting s munications
PRODUCT SELECTION GUIDE
Input
Output
Device
Crystal Reference Bank A Bank B Bank C
SY89532L- X
LVPECL LVPECL LVPECL
SY89533L- X
LVPECL LVDS LVPECL
X LVPECL LVPECL LVPECL
SY89535L
X LVPECL LVDS LVPECL
- Refer to SY89532/33L data...