MC74ACT521 Datasheet PDF

Motorola MC74ACT521

The MC74AC521/74ACT521 is an expandable 8-bit comparator. It compares two words of up to eight bits each and provides a LOW output when the two words match bit for bit. The expansion input IA=B also serves as an active LOW enable input.

Part No.	MC74ACT521
Datasheet	MC74ACT521 Download
Manufacturer	Motorola
Description	8-BIT IDENTITY COMPARATOR
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MAXIMUM RATINGS

* Symbol VCC Vin Vout Iin Iout ICC Tstg Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Sink/Source Current, per Pin DC VCC or GND Current per Output Pin Storage Temperature Value –0.5 to +7.0 –0.5 to VCC +0.5 –0.5 to VCC +0.5 ±20 ±50 ±50 –65 to +150 Unit V V V mA mA mA °C *

MAXIMUM RATINGS

are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. FACT DATA DataSheet 4 U .com 5-2 MC74AC521 MC74ACT521 RECOMMENDED OPERATING CONDITIONS Symbol VCC Vin, Vout Supply Voltage DC Input Voltage, Output Voltage (Ref. to GND) VCC @ 3.0 V tr, tf Input Rise and Fall Time (Note 1) ′AC Devices except Schmitt Inputs VCC @ 4.5 V VCC @ 5.5 V tr, tf TJ TA IOH IOL Input Rise and Fall Time (Note 2) ′ACT Devices except Schmitt Inputs Junction Temperature (PDIP) Operating Ambient Temperature Range Ou...