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MC74HCT574A

Features: • Output Drive Capability: 15 LSTTL Loads• TTL NMOS Compatible Input Levels• Outputs Directly Interface to CMOS, NMOS and TTL• Operating Voltage Range: 4.5 to 5.5 V• Low Input Current: 1.0 mA• In Compliance with the Requirements Defined by JEDEC Standa...

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MC74HCT574A: Features: • Output Drive Capability: 15 LSTTL Loads• TTL NMOS Compatible Input Levels• Outputs Directly Interface to CMOS, NMOS and TTL• Operating Voltage Range: 4.5 to 5.5 V...

MC74HCT574A Data Sheet

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MC74HCT574A
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Product Details

Description



Features:

• Output Drive Capability: 15 LSTTL Loads
• TTL NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 mA
• In Compliance with the Requirements Defined by JEDEC Standard No. 7A
• Chip Complexity: 286 FETs or 71.5 Equivalent Gates


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
vcc DC Supply Voltage (Referenced to GND) 0.5 to +7.0 V
VIN DC Input Voltage (Referenced to GND) 0.5 to VCC + 0.5 V
VOUT DC Output Voltage (Referenced to GND) 0.5 to VCC + 0.5 V
LIN DC Input Current, per Pin ±20 mA
IOUT DC Onput Current, per Pin ±35 mA
ICC DC Supply Current Per Supply Pin ±75 mA
PD Power dissipation in still air piastic DIP
SOIC package
750
500		 mW
TSTG Storage Temperature 65 to +150 °C
TL Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SOIC Package)		 260 °C
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
†Derating - Plastic DIP: 10 mW/C from 65 to 125C
SOIC Package: 7 mW/C from 65 to 125C
For high frequency or heavy load considerations, see Chapter 2 of the Motorola HighSpeed CMOS Data Book (DL129/D).


Description

The MC74HCT574A is identical in pinout to the LS574. This device may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.

Data meeting the setup time is clocked to the outputs with the rising edge of the Clock. The Output Enable input of MC74HCT574A does not affect the states of the flipflops, but when Output Enable is high, all device outputs are forced to the highimpedance state. Thus, data may be stored even when the outputs are not enabled.

The HCT574A is identical in function to the HCT374A but has the flipflop inputs on the opposite side of the package from the outputs to facilitate PC board layout.




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