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Rainbow-electronics DS1804 User Manual

Browse online or download User Manual for Computer hardware Rainbow-electronics DS1804. Rainbow Electronics DS1804 User Manual

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1 of 7 102699
FEATURES
Single 100-position taper potentiometer
Nonvolatile “on-demand” wiper storage
Operates from 3V or 5V supplies
Up/down, increment-controlled interface
Available in 8-pin (300-mil) DIP, 8-pin
(150-mil) SOIC, 8-pin (118-mil) µSOP, and
Flip Chip packages
Operating Temperature:
– Industrial: -40ºC to +85ºC
Standard Resistance Values:
– DS1804-010 10 kΩ
– DS1804-050 50 kΩ
– DS1804-100 100 kΩ
PIN ASSIGNMENT
PIN DESCIPTION
H - High-Terminal of Potentiometer
L - Low-Terminal of Potentiometer
W - Wiper of Potentiometer
V
CC
- 3V or 5V Power Supply
CS - Chip Select
U/ D - Up/Down Control
INC - Increment/Decrement Wiper Control
GND - Ground
DESCRIPTION
The DS1804 NV Trimmer Potentiometer is a nonvolatile digital potentiometer having 100 positions. The
device provides an ideal method for low-cost trimming applications using a CPU or manual control input
with minimal external circuitry. Wiper position of the DS1804 can be stored in EEPROM memory on
demand. The device’s wiper position is manipulated by a 3-terminal port that provides an increment/
decrement counter controlled interface. This port consists of the control inputs CS , INC , and U/ D . The
DS1804 is available in three resistor grades, which include a 10 kΩ, 50 kΩ, and 100 kΩ. The device is
provided in an industrial temperature grade. Additionally, the DS1804 will operate from 3V or 5V
supplies and is ideal for portable application requirements. Three packaging options are available and
include the 8-pin (300-mil) DIP, 8-pin (150-mil) SOIC, 8-pin (118-mil) uSOP, and the Flip Chip
Package.
DS1804
NV Trimmer Potentiomete
r
www.dalsemi.com
INC 1 8 V
CC
U/D 2 7 CS
H 3 6 L
GND 4 5 W
8-Pin DIP (300-mil)
8-Pin SOIC (150-mil)
8-Pin uSOP (118-mil)
8-Pin Flip Chip Package
See Mech. Drawings Section
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1 2 3 4 5 6 7

Summary of Contents

Page 1 - NV Trimmer Potentiomete

1 of 7 102699FEATURES Single 100-position taper potentiometer Nonvolatile “on-demand” wiper storage Operates from 3V or 5V supplies Up/down, incr

Page 2 - PIN DESCRIPTIONS

DS18042 of 7 102699OPERATIONThe DS1804 is a single nonvolatile potentiometer. The device has a total of 100 tap-points including theL- and H- terminal

Page 3 - NONVOLATILE WIPER STORAGE

DS18043 of 7 102699DS1804 BLOCK DIAGRAM Figure 1POWER-UP/POWER-DOWN CONDITIONSOn power-up the DS1804 will load the value of EEPROM memory into the wip

Page 4 - =2.7V to 5.5V)

DS18044 of 7 102699ABSOLUTE MAXIMUM RATINGS*Voltage on Any Pin Relative to Ground -1.0V to +7.0VOperating Temperature -40°C to +85°CStorage Temperatur

Page 5 - D to INC Setup

DS18045 of 7 102699ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C;VCC=2.7V to 5.5V)PARAMETER SYMBOL MIN TYP MAX UNITS NOTESEnd-to-End Resistor Tolera

Page 6 - CS , INC , U/ D =

DS18046 of 7 102699NOTES:1. All voltages are referenced to ground.2. Valid for VCC = 5V only.3. Resistor input voltages cannot go below ground or exce

Page 7 - DS1804 ORDERING INFORMATION

DS18047 of 7 102699DS1804 ORDERING INFORMATIONORDERINGNUMBERPACKAGEOPERATINGTEMPERATUREVERSIONDS1804-010 8L DIP (300-MIL) -40°C TO +85°C10kΩDS1804-050

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Bay Networks ATMSpeed manuali

Manuali dei proprietari e guide per l'utente per Switch di rete Bay Networks ATMSpeed.
We fornisce 2 manuali pdf Bay Networks ATMSpeed per scaricare gratuitamente in base al tipo di documento: Manuale di Servizio


Bay networks ATMSpeed Manuale di Servizio (70 pagine)


Marchio: Bay-networks | Categoria: Network switches | Dimensione: 0.65 MB |

 

Indice

Using the Centillion 100

1

ATMSpeed/155 Switch

1

Modules and Media

1

Dependent Adapters

1

Contents

7

893-01047-A

10

Audience

15

Conventions

16

Related Publications

17

Bay Networks Customer Service

18

How to Get Help

19

Chapter 1

21

Media Dependent Adapters

21

ATMSpeed/155 Switch Module

24

ATMSpeed/155S Switch Module

24

1-6 893-01047-A

26

893-01047-A 1-7

27

Features

28

Fault Tolerance

29

Network Management

29

Chapter 2

31

2-2 893-01047-A

32

893-01047-A 2-3

33

893-01047-A 2-5

35

Installing the MDA

36

893-01047-A 2-7

37

Replacing an MDA

39

893-01047-A 2-11

41

Connecting Cables

42

893-01047-A 2-13

43

Fiber Connections

45

2-16 893-01047-A

46

Verifying the Installation

47

893-01047-A 2-19

49

In Service

49

Activity

49

LED Sequence at Startup

50

Removing a Module

51

2-22 893-01047-A

52

Replacing a Module

53

Chapter 3

55

Default Configuration

57

Parameter Descriptions

58

Predefined Configurations

58

Appendix A

59

Technical Specifications

59

° to 104° F (0° to 40° C)

60

° to 158° F (–25° to 70° C)

60

Technical Specifications

61

(CSA 22.2 #950)

62

Appendix B

63

Serial MCP Connections

64

893-01047-A B-3

65

Model 5720-x MDA Connections

66

893-01047-A Index-1

67

893-01047-A Index-3

69

Bay networks ATMSpeed Manuale di Servizio (78 pagine)


Marchio: Bay-networks | Categoria: Network switches | Dimensione: 0.75 MB |

 

Indice

Using the Model 5625HD

1

EtherSpeedII Switch Module

1

Trademarks

2

Statement of Conditions

2

USA Requirements Only

2

European Requirements Only

2

Taiwan Requirements

3

Canada Requirements Only

3

Contents

7

206208-A

10

Before You Begin

15

Related Publications

16

How to Get Help

18

Chapter 1

19

Physical Description

23

Support for Virtual LANs

26

Filtering

26

Hot-Swapping Capability

26

Chapter 2

29

Switch Module

29

Figure 2-1. Network Example

32

Replacing a Bridge

34

350F 10/100 Autosense Switch

38

Multi-Link Trunking

39

Default Port Configuration

40

Chapter 3

41

Required Tools and Equipment

45

Installing the Switch Module

46

Model 5000

47

Checking LEDs

48

Removing a Switch Module

52

Chapter 4

55

Troubleshooting

55

Preliminary Steps

56

Port Connection Problems

58

Appendix A

61

Technical Specifications

61

Appendix B

65

Cables and Connectors

65

UTP Cabling

66

Caution:

67

UTP Cables and Connectors

68

Appendix C

71

Model 5625HD switch module

72

RJ-45 LEDs

73




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