Datasheet > MC74HCT259ADR2G

MC74HCT259ADR2G

更新时间： 2024-09-16 11:11:39

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
9页	243K
描述
8-Bit Addressable Latch 1-of-8 Decoder

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MC74HCT259ADR2G 数据手册

MC74HCT259A

8-Bit Addressable Latch

1-of-8 Decoder with LSTTL

Inputs

High−Performance Silicon−Gate CMOS

http://onsemi.com

The MC74HCT259A is identical in pinout to the LS259. The device

inputs are compatible with standard CMOS and LSTTL outputs.

The HCT259A has four modes of operation as shown in the mode

selection table. In the addressable latch mode, the data on Data In is

written into the addressed latch. The addressed latch follows the data

input with all non−addressed latches remaining in their previous

states. In the memory mode, all latches remain in their previous state

and are unaffected by the Data or Address inputs. In the one−of−eight

decoding or demultiplexing mode, the addressed output follows the

state of Data In with all other outputs in the LOW state. In the Reset

mode all outputs are LOW and unaffected by the address and data

inputs. When operating the HCT259A as an addressable latch,

changing more than one bit of the address could impose a transient

wrong address. Therefore, this should only be done while in the

memory mode.

MARKING

DIAGRAMS

SOIC−16

D SUFFIX

CASE 751B

HCT259AG

AWLYWW

HCT

259A

ALYWG

TSSOP−16

DT SUFFIX

CASE 948F

= Assembly Location

= Wafer Lot

WL, L

YY, Y

= Year

Features

WW, W = Work Week

G or G

= Pb−Free Package

• Output Drive Capability: 10 LSTTL Loads

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 4.5 to 5.5 V

• Low Input Current: 1 mA

• High Noise Immunity Characteristic of CMOS Devices

• These are Pb−Free Devices

(Note: Microdot may be in either location)

PIN ASSIGNMENT

15 RESET

14 ENABLE

13 DATA IN

12 Q7

11 Q6

10 Q5

GND

MODE SELECTION TABLE

Enable Reset

Mode

Addressable Latch

Memory

8−Line Demultiplexer

Reset

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 6 of this data sheet.

Publication Order Number:

April, 2011 − Rev. 3

MC74HCT259A/D

12 3 4 5 6 7...9

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MC74HCT259ADR2G 替代型号

型号	品牌	替代类型	描述	数据表
MC74HCT259ADG	ONSEMI	完全替代	8-Bit Addressable Latch 1-of-8 Decoder
MC74HCT259ADTR2G	ONSEMI	完全替代	8-Bit Addressable Latch 1-of-8 Decoder

与MC74HCT259ADR2G相关器件

型号	品牌	获取价格	描述	数据表
MC74HCT259ADTG	ONSEMI	获取价格	8-Bit Addressable Latch 1-of-8 Decoder
MC74HCT259ADTR2G	ONSEMI	获取价格	8-Bit Addressable Latch 1-of-8 Decoder
MC74HCT273	MOTOROLA	获取价格	Octal D Flip-Flop with Common Clock and Reset with LSTTL-Compatible Inputs
MC74HCT273	ONSEMI	获取价格	Octal D Flip-Flop with Common Clock and Reset with LSTTL-Compatible Inputs
MC74HCT273A	MOTOROLA	获取价格	Octal D Flip-Flop with Common Clock and Reset with LSTTL-Compatible Inputs
MC74HCT273A	ONSEMI	获取价格	Octal D Flip-Flop with Common Clock and Reset with LSTTL-Compatible Inputs
MC74HCT273A_06	ONSEMI	获取价格	Octal D Flip−Flop with Common Clock and Reset with LSTTL−Compatible Inputs
MC74HCT273A_11	ONSEMI	获取价格	Octal D Flip-Flop with Common Clock and Reset with LSTTL-Compatible Inputs
MC74HCT273A_14	ONSEMI	获取价格	Octal D Flip-Flop with Common Clock and Reset with LSTTL-Compatible Inputs
MC74HCT273ADT	ONSEMI	获取价格	IC,FLIP-FLOP,OCTAL,D TYPE,HCT-CMOS,TSSOP,20PIN,PLASTIC

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