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| Part Number | SY87721LHY | SY87729LHY | SY87721LHG | SY87721LHI |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Obsolete | Active | Obsolete | Obsolete |
| PLL | Yes | Yes | Yes | Yes |
| Main Purpose | Ethernet, SONET/SDH, ATM applications | Ethernet, Fibre Channel, SONET/SDH/ATM | Ethernet, SONET/SDH, ATM applications | Ethernet, SONET/SDH, ATM applications |
| Input | PECL | PECL | PECL | PECL |
| Output | CML, PECL | PECL | CML, PECL | CML, PECL |
| Number of Circuits | 1 | 1 | 1 | 1 |
| Ratio - Input:Output | 1:6 | 1:1 | 1:6 | 1:6 |
| Differential - Input:Output | Yes/Yes | Yes/Yes | Yes/Yes | Yes/Yes |
| Frequency - Max | 2.7GHz | 365MHz | 2.7GHz | 2.7GHz |
| Voltage - Supply | 3.15V ~ 3.45V | 3.15V ~ 3.45V | 3.15V ~ 3.45V | 3.15V ~ 3.45V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 64-TQFP Exposed Pad | 32-TQFP Exposed Pad | 64-TQFP Exposed Pad | 64-TQFP Exposed Pad |
| Supplier Device Package | 64-TQFP-EP (10x10) | 32-TQFP-EP (7x7) | 64-TQFP-EP (10x10) | 64-TQFP-EP (10x10) |
