Hewlett-Packard HDMP-1646
The HDMP-1636/46 transceiver is a single silicon bipolar integrated circuit packaged in a plastic QFP package. It provides a low-cost, low-power physical layer solution for 1250 MBd Gigabit Ethernet or proprietary link interfaces. It provides complete Serialize/ Deserialize for copper transmission, incorporating both the Gigabit Ethernet transmit and receive functions into a single device.| Part No. | HDMP-1646 |
|---|---|
| Datasheet | HDMP-1646 Download |
| Manufacturer |  Hewlett-Packard |
| Description | Gigabit Ethernet Transceiver Chip |
| Buy | Stock & Price |
FEATURES
● IEEE 802.3z Gbit Ethernet Compatible, Supports 1250 MBd Gigabit Ethernet● Based on X3T11 “10 Bit Specification”
● Low Power Consumption
● Transmitter and Receiver Functions Incorporated onto a Single IC
● Two Package Sizes Available: – 10 mm PQFP (HDMP-1636) – 14 mm PQFP (HDMP-1646)
● 10-Bit Wide Parallel TTL Compatible I/Os
● Single +3.3 V Power Supply
● 5-Volt Tolerant I/Os
● 2 KV ESD Protection
APPLICATIONS
● 1250 MBd Gigabit Ethernet Interface● High Speed Proprietary Interface
● Backplane Serialization
● Bus Extender
DESCRIPTION
This chip is used to build a high speed interface (as shown in Figure 1) while minimizing board space, power and cost. It is compatible with the IEEE 802.3z specification. The transmitter section accepts 10-bit wide parallel TTL data and multiplexes this data into a high speed serial data stream. The parallel data is expected to be 8B/10B encoded data, or equivalent. This parallel data is latched into the input register of the transmitter section on the rising edge of the 125 MHz reference clock (used as the transmit byte clock).
