Datasheet > 74AC259

74AC259

更新时间： 2024-09-30 04:28:43

品牌	Logo	应用领域
安森美 - ONSEMI		锁存器
页数	文件大小	规格书
11页	121K
描述
8−Bit Addressable Latch

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数据手册

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74AC259 数据手册

MC74AC259, MC74ACT259

8−Bit Addressable Latch

The MC74AC259/74ACT259 is a high−speed 8−bit addressable

latch designed for general purpose storage applications in digital

systems. It is a multifunctional device capable of storing single line

data in eight addressable latches, and also a 1−of−8 decoder and

demultiplexer with active HIGH outputs. The device also incorporates

an active LOW Common Clear for resetting all latches, as well as an

active LOW Enable. It is functionally identical to the ALS259 8−bit

addressable latch.

http://onsemi.com

PDIP−16

N SUFFIX

CASE 648

• Serial−to−Parallel Conversion

• Eight Bits of Storage with Output of Each Bit Available

• Random (Addressable) Data Entry

• Active High Demultiplexing or Decoding Capability

• Easily Expandable

SOIC−16

D SUFFIX

CASE 751B

• Common Clear

• Pb−Free Packages are Available

SOEIAJ−16

M, MEL SUFFIX

CASE 966

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 9 of this data sheet.

ORDERING INFORMATION

GND

See detailed ordering and shipping information in the package

dimensions section on page 9 of this data sheet.

Figure 1. Pinout: 16−Lead Packages Conductors

(Top View)

MR Q

Q Q Q Q Q Q Q

1 2 3 4 5 6 7

Figure 2. Logic Symbol

MODE SELECT TABLE

Mode

Addressable Latch

Memory

Active HIGH 8−Channel Demultiplexer

Clear

H = HIGH Voltage Level

L = LOW Voltage Level

Publication Order Number:

November, 2005 − Rev. 6

MC74AC259/D

12 3 4 5 6 7...11

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