Datasheet > ACT244

ACT244

更新时间： 2025-07-19 04:03:35

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器
页数	文件大小	规格书
8页	88K
描述
Octal Buffer/Line Driver with 3-State Outputs

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数据手册

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ACT244 数据手册

MC74AC244, MC74ACT244

Octal Buffer/Line Driver

with 3-State Outputs

The MC74AC244/74ACT244 is an octal buffer and line driver

designed to be employed as a memory address driver, clock driver

and bus oriented transmitter/receiver which provides improved PC

board density.

http://onsemi.com

PDIP–20

N SUFFIX

CASE 738

• 3–State Outputs Drive Bus Lines or Buffer Memory Address

Registers

• Outputs Source/Sink 24 mA

• ′ACT244 Has TTL Compatible Inputs

SO–20

DW SUFFIX

CASE 751

TSSOP–20

DT SUFFIX

CASE 948E

EIAJ–20

M SUFFIX

CASE 967

GND

Figure 1. Pinout: 20–Lead Packages Conductors

(Top View)

ORDERING INFORMATION

Device

Package

PDIP–20

SOIC–20

Shipping

18 Units/Rail

38 Units/Rail

TRUTH TABLE

Inputs

Outputs

MC74AC244N

(Pins 12, 14, 16, 18)

MC74ACT244N

MC74AC244DW

MC74AC244DWR2

MC74ACT244DW

MC74ACT244DWR2

MC74AC244DT

MC74AC244DTR2

MC74ACT244DT

SOIC–20 1000 Tape & Reel

SOIC–20 38 Units/Rail

SOIC–20 1000 Tape & Reel

TSSOP–20 75 Units/Rail

TSSOP–20 2500 Tape & Reel

TSSOP–20 75 Units/Rail

NOTE: H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

Z = High Impedance

TRUTH TABLE

Inputs

Outputs

(Pins 3, 5, 7, 9)

MC74ACT244DTR2 TSSOP–20 2500 Tape & Reel

MC74AC244M

EIAJ–20

EIAJ–20 2000 Tape & Reel

EIAJ–20 40 Units/Rail

EIAJ–20 2000 Tape & Reel

40 Units/Rail

MC74AC244MEL

MC74ACT244M

MC74ACT244MEL

NOTE: H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

Z = High Impedance

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 5 of this data sheet.

Semiconductor Components Industries, LLC, 2001

Publication Order Number:

May, 2001 – Rev. 5

MC74AC244/D

12 3 4 5 6 7 8

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