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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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
Manual Details
| Brand | Motorola |
|---|---|
| Pages | 6 |
| File Size | 166.00 KB |
| Published | June 05, 2026 |
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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.