pi90lvb3811a Pericom Semiconductor Corporation, pi90lvb3811a Datasheet

pi90lvb3811a

Manufacturer Part Number

pi90lvb3811a

Description

10-wide Lvds Driver

Manufacturer

Pericom Semiconductor Corporation

Datasheet

1.PI90LVB3811A.pdf (9 pages)

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PI90LV3811 & PI90LVB3811

Features

• Ten line drivers meet or exceed the requirements of

• Designed for signaling rates up to 660 Mbps with very

• Low voltage differential signaling with typical output

• Propagation delay times less than 2.9ns

• Output skew is less than 150ps

• Part-to-part skew is less than 1.5ns

• 35mW total power dissipation in each driver operating

• Driver is high impedance when disabled or with V

• Bus-pin ESD protection exceeds 10kV

• Low voltage TTL (LVTTL) logic inputs are 5V tolerant

• Package: 48-Pin TSSOP (A)

the ANSI EIA/TIA-644 Standard

low radiation (EMI)

voltage of 350mV into a:

at 200 MHz

100-ohm load (PI90LV3811)

50-ohm load (PI90LVB3811)

<1.5V

Description

The PI90LV3811 and PI90LVB3811 consist of ten differential line

drivers that implement the electrical characteristics of low-voltage

differential signaling (LVDS). This signaling technique lowers out-

put voltage levels to reduce the power, increase switching speeds,

and allow operation with a 3V supply rail. Any current-mode LVDS

driver will deliver a minimum differential output voltage magnitude

of 247mV into a 100-Ohm load (PI90LV3811) or 50-Ohm load

(PI90LVB3811) when enabled. The PI90LVB3811 doubles the output

drive current to achieve LVDS levels with a 50-Ohm load.

The intended application of this device and signaling technique

is for point-to-point baseband (single termination) and multipoint

(double termination) data transmission over a controlled impedance

media of approximately 100-Ohms. The transmission media may be

printed-circuit board traces, backplanes, or cables. The large number

of drivers integrated into the same substrate, along with the low pulse

skew of balanced signaling, allows extremely precise timing align-

ment of clock and data for synchronous parallel data transfers. When

used with its companion 10-channel receivers, the PI90LV3810 or

PI90LVR3810, over 300 million data transfers per second in single-

edge clocked systems are possible with very little power.

(Note: The ultimate rate and distance of data transfer is dependent

upon attenuation characteristics of the media, the noise coupling to

the environment, and other system characteristics.)

The drivers are enabled in groups of five. When disabled, the driver

outputs are a high impedance. Each driver input (D

have an internal pulldown that will drive the input to a low level when

open circuited.

The PI90LV3811 and PI90LVB3811 are characterized for operation

from –40°C to 85°C.

High-Speed Differential Line Drivers

PI90LV3811/PI90LVB3811

PS8663

) and enable (EN)

02/21/03

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... – Pericom Semiconductor Corporation 9 PI90LV3811/PI90LVB3811 High-Speed Differential Line Drivers .236 6.0 .244 6.2 SEATING PLANE 0.45 .018 .030 0.75 .002 .006 .319 0.05 BSC 8.1 0. ° ...

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