DS90LV049H Texas instruments

DS90LV049H

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DS90LV049H

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Описание

The DS90LV049H is a dual CMOS differential line driver-receiver pair designed for applications requiring ultra low power dissipation, exceptional noise immunity, and high data throughput. The device is designed to support data rates in excess of 400 Mbps utilizing Low Voltage Differential Signaling (LVDS) technology. The DS90LV049H TSSOP package allows for flow-through routing for easy PCB layout. The DS90LV049H drivers accept LVTTL/LVCMOS signals and translate them to LVDS signals. The receivers accept LVDS signals and translate them to 3-V CMOS signals. The LVDS input buffers have internal fail-safe biasing that places the outputs to a known H (high) state for floating receiver inputs. In addition, the DS90LV049H supports a TRI-STATE function for a low idle power state when the device is not in use.The EN and EN inputs are ANDed together and control the TRI-STATE outputs. The enables are common to all four gates.

High Temperature +125°C Operating Range
Up to 400-Mbps Switching Rates
Flow-Through Pinout Simplifies PCB Layout
50-ps Typical Driver Channel-to-Channel Skew
50-ps Typical Receiver Channel-to-Channel Skew
3.3-V Single Power Supply Design
TRI-STATE Output Control
Internal Fail-Safe Biasing of Receiver Inputs
Low Power Dissipation (70 mW at 3.3-V Static)
High Impedance on LVDS Outputs on Power Down
Conforms to TIA/EIA-644-A LVDS Standard
Available in Low Profile 16-Pin TSSOP Package

Function	Transceiver
Protocols	LVDS
Number of transmitters	2
Number of receivers	2
Supply voltage (V)	3.3
Signaling rate (MBits)	400
Input signal	LVCMOS, LVDS, LVTTL
Output signal	LVCMOS, LVDS
Rating	Catalog
Operating temperature range (°C)	-40 to 125