LTC1518CS datasheet(6/12 Pages) LINER

Il numero della parte	LTC1518CS

Spiegazioni elettronici	52Mbps Precision Delay RS485 Quad Line Receivers

PDF	12 Pages

Scroll/Zoom	100%

Produttore elettronici	LINER [Linear Technology]

Homepage	http://www.linear.com

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6 / 12 page

LTC1518/LTC1519

SWITCHI G TI E WAVEFOR S t

r = tf ≤ 3ns for all input and enable signals.

Figure 1. Propagation Delay Test Circuit and Waveforms

2.5V

VDD/2

INPUT

OUTPUT

tPLH

tPHL

1518/19 F01

–

INPUT

2.5V

OUTPUT

15pF

1518/19 F01b

1/4

LTC1518

LTC1519

Figure 2. Receiver Enable and Disable Timing Test Circuit

and Waveforms

SAME INPUT FOR BOTH PACKAGES

INPUT

A1, B1

VID = 1.5V

PACKAGE 1

OUT 1

1518/19 F04

tPKG-PKG

PACKAGE 2

OUT 1

Figure 4. Package-to-Package Propagation Delay Skew

VDD/2

B1, B2 = 2.5V

CH1 OUT

INPUT

A1, A2

CH2 OUT

tCH-CH

1518/19 F03

Figure 3. Any Channel to Any Channel Skew, Same Package

1.5V

2.5V

tZH

tZL

1.5V

tLZ

0.2V

tHZ

VDD

OUTPUT

NORMALLY LOW

OUTPUT

NORMALLY HIGH

ENABLE

VOL

VOH

RECEIVER

OUTPUT

OUT 1

1518/19 F02

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