AM7968-125/LKC datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Analog mixed-signal IC> Drivers and interfaces> AM7968-125/LKC

AM7968-125/LKC: DescriptionLine Driver, 1 Func, 1 Driver, BIPolar, CQCC28, CERAMIC, LCC-28; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size702KB，127 Pages; ManufacturerAMD; Websitehttp://www.amd.com

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AM7968-125/LKC Overview

Line Driver, 1 Func, 1 Driver, BIPolar, CQCC28, CERAMIC, LCC-28

AM7968-125/LKC Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	AMD
Parts packaging code	QLCC
package instruction	QCCN,
Contacts	28
Reach Compliance Code	unknown
ECCN code	EAR99
Differential output	YES
Number of drives	1
Input properties	STANDARD
Interface integrated circuit type	LINE DRIVER
Interface standards	GENERAL PURPOSE
JESD-30 code	S-CQCC-N28
JESD-609 code	e0
length	11.43 mm
Number of functions	1
Number of terminals	28
Maximum operating temperature	125 °C
Minimum operating temperature	-30 °C
Output characteristics	TOTEM-POLE
Output polarity	COMPLEMENTARY
Package body material	CERAMIC, METAL-SEALED COFIRED
encapsulated code	QCCN
Package shape	SQUARE
Package form	CHIP CARRIER
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum receive delay
Maximum seat height	1.905 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	BIPOLAR
Temperature level	OTHER
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	NO LEAD
Terminal pitch	1.27 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	11.43 mm

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TAXIchip

Integrated Circuits

Transparent Asynchronous

Transmitter/Receiver Interface

Am7968/Am7969-125

Am7968/Am7969-175

Data Sheet

and

Technical Manual

1994

TABLE OF CONTENTS

Am7968/Am7969 TAXIchip Integrated Circuits

Am7968/Am7969

Chapter 1

Data Sheet

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Technical Manual

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

1.1 The Am7968 TAXI

Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

1.2 The Am7969 TAXI Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Using the TAXIchip Set

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

2.1 Data and Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

2.2 Operational Modes: Local, Cascade and Test . . . . . . . . . . . . . . . . . . . . . . . . 53

Data Encoding, Violation and Syncs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1 Data Encoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2 Violation Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.3 TAXI PLL Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clock Generation and Distribution

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1 TAXI Transmitter Clock Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1.1 Local Mode Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2 TAXI Receiver Clock Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2.1 Cascade Mode Receivers (Am7969-125 only) . . . . . . . . . . . . . . . . . .

Interfacing with the Serial Media

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.1 Very Short Link, DC Coupled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2 Terminated, DC Coupled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.3 Terminated, AC Coupled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.4 Baseline Wander and the AC Coupling Capacitor . . . . . . . . . . . . . . . . . . . . .

5.5 Interfacing to Fiber Optic Transmitters/Receivers . . . . . . . . . . . . . . . . . . . . .

5.5.1 DC-Coupled TAXl-Fiber Optic Transceiver Interface . . . . . . . . . . . . .

5.5.2 AC-Coupled TAXl-Fiber Optic Transceiver Interface . . . . . . . . . . . . .

5.6 Interfacing to Coaxial Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.7 Interfacing to Twisted-Pair Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Board Layout Considerations

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.1 Printed Circuit Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.1.1 Rules for Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2 Layout using Fiber Optic Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Table of Contents

iii

AM7968-125/LKC Related Products

	AM7968-125/LKC	AM7969-125V/BXA	AM7969-125V/B3A	AM7968-125V/BXA	AM7968-125/DKC	AM7968-125V/B3A	AM7969-125/LKC	AM7969-125/DKC
Description	Line Driver, 1 Func, 1 Driver, BIPolar, CQCC28, CERAMIC, LCC-28	Line Receiver, 1 Func, 1 Rcvr, TTL, CDIP28, CERAMIC, DIP-28	Line Receiver, 1 Func, 1 Rcvr, TTL, CQCC28, CERAMIC, LCC-28	Line Driver, 1 Func, 1 Driver, TTL, CDIP28, CERAMIC, DIP-28	Line Driver, 1 Func, 1 Driver, BIPolar, CDIP28, CERAMIC, DIP-28	Line Driver, 1 Func, 1 Driver, TTL, CQCC28, CERAMIC, LCC-28	Line Receiver, 1 Func, 1 Rcvr, BIPolar, CQCC28, CERAMIC, LCC-28	Line Receiver, 1 Func, 1 Rcvr, BIPolar, CDIP28, CERAMIC, DIP-28
Maker	AMD	AMD	AMD	AMD	AMD	AMD	AMD	AMD
Parts packaging code	QLCC	DIP	QLCC	DIP	DIP	QLCC	QLCC	DIP
package instruction	QCCN,	DIP,	QCCN,	DIP,	DIP,	QCCN,	QCCN,	DIP,
Contacts	28	28	28	28	28	28	28	28
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Input properties	STANDARD	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER	STANDARD	STANDARD	STANDARD	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit type	LINE DRIVER	LINE RECEIVER	LINE RECEIVER	LINE DRIVER	LINE DRIVER	LINE DRIVER	LINE RECEIVER	LINE RECEIVER
Interface standards	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE	GENERAL PURPOSE
JESD-30 code	S-CQCC-N28	R-GDIP-T28	S-CQCC-N28	R-GDIP-T28	R-GDIP-T28	S-CQCC-N28	S-CQCC-N28	R-GDIP-T28
length	11.43 mm	37.1475 mm	11.43 mm	37.1475 mm	37.1475 mm	11.43 mm	11.43 mm	37.1475 mm
Number of functions	1	1	1	1	1	1	1	1
Number of terminals	28	28	28	28	28	28	28	28
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-30 °C	-55 °C	-55 °C	-55 °C	-30 °C	-55 °C	-30 °C	-30 °C
Package body material	CERAMIC, METAL-SEALED COFIRED	CERAMIC, GLASS-SEALED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, GLASS-SEALED	CERAMIC, GLASS-SEALED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, GLASS-SEALED
encapsulated code	QCCN	DIP	QCCN	DIP	DIP	QCCN	QCCN	DIP
Package shape	SQUARE	RECTANGULAR	SQUARE	RECTANGULAR	RECTANGULAR	SQUARE	SQUARE	RECTANGULAR
Package form	CHIP CARRIER	IN-LINE	CHIP CARRIER	IN-LINE	IN-LINE	CHIP CARRIER	CHIP CARRIER	IN-LINE
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.905 mm	5.588 mm	1.905 mm	5.588 mm	5.588 mm	1.905 mm	1.905 mm	5.588 mm
Maximum supply voltage	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage	4.5 V	4.75 V	4.75 V	4.75 V	4.5 V	4.75 V	4.5 V	4.5 V
Nominal supply voltage	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
surface mount	YES	NO	YES	NO	NO	YES	YES	NO
technology	BIPOLAR	TTL	TTL	TTL	BIPOLAR	TTL	BIPOLAR	BIPOLAR
Temperature level	OTHER	MILITARY	MILITARY	MILITARY	OTHER	MILITARY	OTHER	OTHER
Terminal form	NO LEAD	THROUGH-HOLE	NO LEAD	THROUGH-HOLE	THROUGH-HOLE	NO LEAD	NO LEAD	THROUGH-HOLE
Terminal pitch	1.27 mm	2.54 mm	1.27 mm	2.54 mm	2.54 mm	1.27 mm	1.27 mm	2.54 mm
Terminal location	QUAD	DUAL	QUAD	DUAL	DUAL	QUAD	QUAD	DUAL
width	11.43 mm	15.24 mm	11.43 mm	15.24 mm	15.24 mm	11.43 mm	11.43 mm	15.24 mm

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