| Part Number | SY87729LHY-TR | SY87739LHY-TR | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Clock/Timing - Application Specific | Clock/Timing - Application Specific | 
|   |   | |
| Product Status | Active | Active | 
| PLL | Yes | Yes | 
| Main Purpose | Ethernet, Fibre Channel, SONET/SDH/ATM | Ethernet, Fibre Channel, SONET/SDH/ATM | 
| Input | PECL | PECL | 
| Output | PECL | PECL | 
| Number of Circuits | 1 | 1 | 
| Ratio - Input:Output | 1:1 | 1:1 | 
| Differential - Input:Output | Yes/Yes | Yes/Yes | 
| Frequency - Max | 365MHz | 729MHz | 
| Voltage - Supply | 3.15V ~ 3.45V | 3.15V ~ 3.45V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 32-TQFP Exposed Pad | 32-TQFP Exposed Pad | 
| Supplier Device Package | 32-TQFP-EP (7x7) | 32-TQFP-EP (7x7) |