4816P-R2R-503 datasheet(33/62 Pages) BOURNS

33 / 62 page

800 Series - RC Networks ECL Terminator Circuits

Specifications are subject to change without notice.

309

General Description

Digital systems incorporating Emitter

Coupled Logic (ECL) or other ultra-high

switching speed logic families will require

signal termination to prevent transmis-

sion line effects such as reflections and

ringing due to fast transition times.

Bourns 800 series resistor capacitor net-

works are ideal for termination of high

speed transmission lines. Each network

is composed of resistors for parallel

termination and bypass capacitor(s) for

cross talk noise reduction.

The 5 conformal coated SIP circuit varia-

tions offered are as follows.

Electrical Characteristics

Resistance Tolerance.......................±5%

Resistance Power.......................0.1 watt

Capacitance Tolerance ..................±20%

Capacitor Dielectric Type..................X7R

Capacitance Voltage Rating .......50 Volts

Physical Characteristics

Flammability .........Conforms to UL94V-0

Leadframe ...................Copper (Olin 194)

Body Material...............Epoxy/Anhydride

(Conformal Material)

Custom Resistance Range

...........................10 ohms to 50K ohms

Custom Capacitance Range

................................39pF to 100,000pF

NPO and Z5U dielectrics available on a

custom basis.

MAXIMUM

PIN #1

REF.

MEDIUM PROFILE

HIGH PROFILE

MAXIMUM

PIN #1

REF.

8.89

(.350)

MAX.

3.43 + .38/ - .25

(.135 + .015/ - .010)

1.24

(.049)

MAX.

BOTH ENDS

.508

± .050

(.020

± .002)

TYP.

2.54

± .07

(.100

± .003*)

TYP.

NON-ACCUM.

2.49

(.098)

MAX.

.254

± .050

(.010

± .002)

TYP.

Governing dimensions are metric. Dimensions in parentheses

are inches and are approximate.

*Terminal centerline to centerline measurements made at point of

emergence of the lead from the body.

6.35

(.250)

MAX.

3.43 + .38/ - .25

(.135 + .015/ - .010)

1.24

(.049)

MAX.

BOTH ENDS

.508

± .050

(.020

± .002)

TYP.

2.54

± .07

(.100

± .003*)

TYP.

NON-ACCUM.

3.81

(.150)

MAX.

.254

± .050

(.010

± .002)

TYP.

PART NUMBER

4608M-801

500/103

YYWW

CIRCUIT

RESISTANCE

CODE

PIN ONE

INDICATOR

MANUFACTURER'S

TRADEMARK

DATE CODE

801 AND 802

Represents total content. Layout may vary.

PART NUMBER

4610H-805

500/103

YYWW

CIRCUIT

RESISTANCE

CODE

PIN ONE

INDICATOR

MANUFACTURER'S

TRADEMARK

DATE CODE

803 AND 805

Represents total content. Layout may vary.

PART NUMBER

4612M-804

500

YYWW

CIRCUIT

RESISTANCE

CODE

PIN ONE

INDICATOR

MANUFACTURER'S

TRADEMARK

DATE CODE

804

Represents total content. Layout may vary.

Typical Part Marking

Product Dimensions

FOR ADDITIONAL INFORMATION, SEE APPLICATION NOTE ON PAGES 324 AND 325.

Features

Optimize data transmission in ECL

systems through proper termination

between drivers and receivers

Minimize overshoot, undershoot, and

ringing while increasing noise immunity

Provide decoupling capacitors

Minimize space and routing problems,

and reduce manufacturing cost per

installed resistive function

Increase board yields and reliability by

reducing component count

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