Datasheet > MC145028

MC145028

更新时间： 2024-11-25 04:59:31

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		编码器
页数	文件大小	规格书
20页	698K
描述
Encoder and Decoder Pairs CMOS

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数据手册

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MC145028 数据手册

MC145026/D

Rev. 4, 1/2005

Freescale Semiconductor

Technical Data

MC145026, MC145027

MC145028

MC145026, MC145027,

MC145028

Encoder and Decoder Pairs

CMOS

P Suffix

Plastic DIP

Case 648

D Suffix

SOG Package

Case751B

DW Suffix

SOG Package

Case 751G

1 Introduction

Ordering Information

These devices are designed to be used as

encoder/decoder pairs in remote control applications.

Device

Package

MC145026P

MC145026D

MC145027P

MC145027DW

MC145028P

MC145028DW

Plastic DIP

SOG Package

Plastic DIP

The MC145026 encodes nine lines of information and

serially sends this information upon receipt of a transmit

enable (TE) signal. The nine lines may be encoded with

trinary data (low, high, or open) or binary data (low or

high). The words are transmitted twice per encoding

sequence to increase security.

SOG Package

Plastic DIP

SOG Package

Contents

The MC145027 decoder receives the serial stream and

interprets five of the trinary digits as an address code.

Thus, 243 addresses are possible. If binary data is used at

the encoder, 32 addresses are possible. The remaining

serial information is interpreted as four bits of binary

data. The valid transmission (VT) output goes high on

the MC145027 when two conditions are met. First, two

addresses must be consecutively received (in one

encoding sequence) which both match the local address.

Second, the 4 bits of data must match the last valid data

received. The active VT indicates that the information at

the Data output pins has been updated.

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Electrical Specifications . . . . . . . . . . . . . . . . 4

3 Operating Characteristics . . . . . . . . . . . . . . . 8

4 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . 9

5 MC145027 and MC145028 Timing . . . . . . . . 16

6 Package Dimensions . . . . . . . . . . . . . . . . . . 18

Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its

products.

12 3 4 5 6 7...20

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与MC145028相关器件

型号	品牌	获取价格	描述	数据表
MC145028D	MOTOROLA	获取价格	Encoder and Decoder Pairs CMOS
MC145028DW	LANSDALE	获取价格	Encoder and Decoder Pairs
MC145028DW	FREESCALE	获取价格	Encoder and Decoder Pairs CMOS
MC145028DW	MOTOROLA	获取价格	Encoder and Decoder Pairs
MC145028DW	NXP	获取价格	INFRARED, RECEIVER IC, PDSO16, SOG-16
MC145028DWR2	NXP	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO16, SOG-16
MC145028DWR2	MOTOROLA	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO16, SOG-16
MC145028P	MOTOROLA	获取价格	Encoder and Decoder Pairs
MC145028P	LANSDALE	获取价格	Encoder and Decoder Pairs
MC145028P	FREESCALE	获取价格	Encoder and Decoder Pairs CMOS