5962-8979302SA Datasheet

Military/Aerospace->FACT AC


Features, Applications

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


ICC reduced by 50% Compares two 8-bit words 6.5 ns typ Expandable to any word length Outputs source/sink mA ACT521 has TTL-compatible inputs Standard microcircuit Drawing (SMD) 54ACT521: 5962-89793

Pin Names = B Word A Inputs Word B Inputs Expansion or Enable Input Identity Output Description
H = HIGH Voltage Level L = LOW Voltage Level Note = B2, etc.

Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (VCC) DC Input Diode Current (IIK) VI = VCC 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO = VCC 0.5V DC Output Voltage (VO) DC Output Source or Sink Current (IO) DC VCC or Ground Current per Output Pin (ICC or IGND) Storage Temperature (TSTG) Junction Temperature (TJ) CDIP -0.5V to VCC -0.5V to VCC + 0.5V

Supply Voltage (VCC) AC ACT Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) 54AC/ACT Minimum Input Edge Rate (V/t) AC Devices VIN from 70% of VCC 4.5V, 5.5V Minimum Input Edge Rate (V/t) ACT Devices VIN from to 2.0V VCC 0V to VCC 0V to VCC to +125�C

Note 2: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, output/input loading variables. Fairchild does not recommend operation of FACTTM circuits outside databook specifications.

Symbol VIH Parameter Minimum High Level Input Voltage VIL Maximum Low Level Input Voltage VOH Minimum High Level Output Voltage VCC (V) VOL Maximum Low Level Output Voltage IIN (Note 5) IOLD IOHD ICC (Note 5) Maximum Input Leakage Current Minimum Dynamic Output Current (Note 4) Maximum Quiescent Supply Current mA �A VOLD = 1.65V Max VOHD = 3.85V Min VIN V or GND

Note 3: All outputs loaded; thresholds on input associated with output under test. Note 4: Maximum test duration 2.0 ms, one output loaded at a time. Note 5: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.



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