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1FEATURES

2? IEEE 1149.1 (JTAG) Compliant

? Bus LVDS Signaling

? Low Power CMOS Design

? High Signaling Rate Capability (Above 100

Mbps)

? 0.1V to 2.3V Common Mode Range for VID =

200mV

? ±100 mV Receiver Sensitivity

? Supports Open and Terminated Failsafe on

Port Pins

? 3.3V Operation

? Glitch Free Power Up/Down (Driver & Receiver

Disabled)

? Light Bus Loading (5 pF Typical) per Bus

LVDS Load

? Designed for Double Termination Applications

? Balanced Output Impedance

? Product Offered in 64 Pin LQFP Package and

NFBGA Package

? High Impedance Bus Pins on Power Off (VCC =

0V)

DESCRIPTION

The SCAN92LV090A is one in a series of Bus LVDS

transceivers designed specifically for the high speed,

low power proprietary backplane or cable interfaces.

The device operates from a single 3.3V power supply

and includes nine differential line drivers and nine

receivers. To minimize bus loading, the driver outputs

and receiver inputs are internally connected. The

separate I/O of the logic side allows for loop back

support. The device also features a flow through pin

out which allows easy PCB routing for short stubs

between its pins and the connector.

The driver translates 3V TTL levels (single-ended) to

differential Bus LVDS (BLVDS) output levels. This

allows for high speed operation, while consuming

minimal power with reduced EMI. In addition, the

differential signaling provides common mode noise

rejection of ±1V.

The receiver threshold is less than ±100 mV over a

±1V common mode range and translates the

differential Bus LVDS to standard (TTL/CMOS)

levels.

This device is compliant with IEEE 1149.1 Standard

Test Access Port and Boundary Scan Architecture

with the incorporation of the defined boundary-scan

test logic and test access port consisting of Test Data

Input (TDI), Test Data Out (TDO), Test Mode Select

(TMS), Test Clock (TCK), and the optional Test Reset

(TRST).