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參數(shù)資料
| 型號： | CDRM622 |
| 廠商： | Lineage Power |
| 英文描述： | 622 Mbits/s Multichannel Digital Timing Recovery(622M位/秒 多通道數(shù)字定時恢復) |
| 中文描述： | 622 Mbits /秒多通道數(shù)字定時恢復（622M位/秒多通道數(shù)字定時恢復） |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 278K |
| 代理商： | CDRM622 |
Data Sheet
June 1999
CDRM622
622 Mbits/s Multichannel Digital Timing Recovery Macrocell
3
Lucent Technologies Inc.
Description
(continued)
Physical Size
The macrocell is able to support up to 16 channels of serial data; however, the physical design will be limited to two
sizes (8 and 16). Unused receivers will be powered down for specific applications as the physical size of the mac-
rocell does not vary directly with channels. The physical dimensions of a 16-channel macrocell are approximately
square at 2.2 mm per side.
Power Dissipation
At 3.3 V, power is estimated by 300 mW + 50 mW per Rx channel + 10 mW per Tx channel.
Device IO Buffers
Device IO buffers are not part of the hard macrocell. This allows customers to choose the most appropriate inter-
face levels without disturbing the macrocell. Common choices of device interface levels are LVDS (low-voltage dif-
ferential swing) and PECL. Device pinout is also flexible. Appropriate buffering will be added to the device by
Lucent Technologies Microelectronics Group to ensure data integrity between the IO buffers and the macrocell.
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