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Motorola MC74AC244 MC74ACT244 Data Manual/Specifications Sheet

Summary

The MC74AC244/74ACT244 is a versatile octal buffer and line driver, perfect for high-density digital system design. Utilize it as a reliable memory address driver, clock signal generator, or bus interface transmitter/receiver with robust 3-State Outputs. This manual provides professional engineers and hardware developers with comprehensive technical specifications, including detailed timing charts (propagation delay), critical electrical ratings, current sourcing/sinking capabilities, and operational parameters necessary for application validation in complex electronics circuits.

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Page 1 Text Content

查询MC74AC244供应商

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.

3-State Outputs Drive Bus Lines or Buffer Memory Address Registers Outputs Source/Sink 24 m A ′ACT244 Has TTL Compatible Inputs

N SUFFIX

VCC OE2 CASE 738-03

PLASTIC

DW SUFFIX CASE 751D-04 PLASTIC

OE1 GND

TRUTH TABLE TRUTH TABLE Inputs Outputs Inputs Outputs OE1 (Pins 12, 14, 16, 18) OE2 (Pins 3, 5, 7, 9)

H = HIGH Voltage Level H = HIGH Voltage Level L = LOW Voltage Level L = LOW Voltage Level X = Immaterial X = Immaterial Z = High Impedance Z = High Impedance

FACT DATA 5-1

Page Summary Contents For Motorola MC74AC244 MC74ACT244 Data Manual/Specifications Sheet

Page 1 查询MC74AC244供应商 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...
Page 2 MC74AC244 MC74ACT244 MAXIMUM RATINGS* Symbol Parameter Value Unit VCC DC Supply Voltage (Referenced to GND) –0.5 to +7.0 Vin DC Input Voltage (Referenced to GND) –0.5 to VCC +0.5 Vout DC Output Voltag...
Page 3 MC74AC244 MC74ACT244 DC CHARACTERISTICS 74AC 74AC VCC TA = Symbol Parameter Unit Conditions TA = +25°C (V) –40°C to +85°C Typ Guaranteed Limits VIH Minimum High Level 3.0 1.5 2.1 2.1 VOUT = 0.1 V Inpu...
Page 4 MC74AC244 MC74ACT244 AC CHARACTERISTICS (For Figures and Waveforms — See Section 3) 74AC 74AC TA = –40°C VCC* TA = +25°C Fig. Symbol Parameter to +85°C Unit (V) CL = 50 p F No. CL = 50 p F Min Typ Max...
Page 5 MC74AC244 MC74ACT244 AC CHARACTERISTICS (For Figures and Waveforms — See Section 3) 74ACT 74ACT TA = –40°C VCC* TA = +25°C Fig. Symbol Parameter to +85°C Unit (V) CL = 50 p F No. CL = 50 p F Min Typ M...
Page 6 MC74AC244 MC74ACT244 OUTLINE DIMENSIONS N SUFFIX PLASTIC DIP PACKAGE CASE 738–03 NOTES: ISSUE E 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO...

Manual Details

Brand Motorola
Pages 6
File Size 166.00 KB
Published June 05, 2026
22 views

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Frequently Asked Questions

What kind of inputs does the MC74ACT244 have?

It has TTL Compatible Inputs.

What is the maximum allowable input current for the device?

The maximum input current (I_in) can vary, but typically includes limits like -24 mA until 3.0V and 5.5V.

Can this chip be used as a bus driver or receiver?

Yes, it is designed to operate as a memory address driver, clock driver, and bus-oriented transmitter/receiver.

What are the recommended operating conditions for supply voltage?

The Supply Voltage (V_CC) should typically range from 4.5 V to 5.0 V for functional operation.