Datasheet > MC74VHC259_14

MC74VHC259_14

更新时间： 2024-09-14 01:13:55

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
8页	107K
描述
8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter

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MC74VHC259_14 数据手册

MC74VHC259

8-Bit Addressable

Latch/1-of-8 Decoder

CMOS Logic Level Shifter

with LSTTL−Compatible Inputs

The MC74VHC259 is an 8−bit Addressable Latch fabricated with

silicon gate CMOS technology. It achieves high speed operation similar to

equivalent Bipolar Schottky TTL devices while maintaining CMOS low

power dissipation.

The VHC259 is designed for general purpose storage applications in

digital systems. The device 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

VHC259 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.

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MARKING DIAGRAMS

VHC259G

AWLYYWW

SOIC−16

D SUFFIX

CASE 751B

VHC

259

TSSOP−16

DT SUFFIX

CASE 948F

ALYWG

The MC74VHC259 input structure provides protection when voltages

up to 7 V are applied, regardless of the supply voltage. This allows the

MC74VHC259 to be used to interface 5 V circuits to 3 V circuits.

= Assembly Location

L, WL = Wafer Lot

Y, YY = Year

• High Speed: t = 7.6 ns (Typ) at V = 5 V

W, WW = Work Week

G or G = Pb−Free Package

• Low Power Dissipation: I = 2 μA (Max) at T = 25°C

• High Noise Immunity: V

= V

= 28% V

NIH

NIL CC

• CMOS−Compatible Outputs: V > 0.8 V ; V < 0.1 V @Load

CC OL

ORDERING INFORMATION

• Power Down Protection Provided on Inputs and Outputs

• Balanced Propagation Delays

Device

Package

Shipping

48 Units/Rail

• Pin and Function Compatible with Other Standard Logic Families

• Latchup Performance Exceeds 300 mA

MC74VHC259DG

MC74VHC259DR2G

MC74VHC259DTG

SOIC−16

SOIC−16 2500 Units/Reel

TSSOP−16 96 Units/Rail

• ESD Performance: HBM > 2000 V

• These Devices are Pb−Free and are RoHS Compliant

MC74VHC259DTR2G TSSOP−16 2500 Units/Reel

RESET

ENABLE

DATA IN

GND

Figure 1. Pin Assignment

Publication Order Number:

September, 2014 − Rev. 5

MC74VHC259/D

12 3 4 5 6 7 8

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与MC74VHC259_14相关器件

型号	品牌	获取价格	描述	数据表
MC74VHC259D	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter
MC74VHC259DG	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter
MC74VHC259DR2	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter
MC74VHC259DR2G	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter
MC74VHC259DT	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter
MC74VHC259DTEL	ONSEMI	获取价格	暂无描述
MC74VHC259DTG	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter, TSSOP-16, 96-TUBE
MC74VHC259DTR2	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter
MC74VHC259DTR2G	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter, TSSOP-16, 2500-REEL
MC74VHC259M	ONSEMI	获取价格	8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter

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