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Partno Mfg Dc Qty AvailableDescript
74LS273MOTN/a600avai8-Bit Register with Clear
SN74LS273NMOTN/a644avaiOCTAL D FLIP-FLOP WITH CLEAR
SN54LS273JTMN/a800avaiOCTAL D FLIP-FLOP WITH CLEAR


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74LS273-SN54LS273J-SN74LS273N
8-Bit Register with Clear
OCT AL D FLIP-FLOP WITH CLEAR
The SN54/74LS273 is a high-speed 8-Bit Register. The register consists of
eight D-Type Flip-Flops with a Common Clock and an asynchronous active
LOW Master Reset. This device is supplied in a 20-pin package featuring 0.3
inch lead spacing. 8-Bit High Speed Register Parallel Register Common Clock and Master Reset Input Clamp Diodes Limit High-Speed Termination Effects-------- ---- ----- ---- --------- -
CONNECTION DIAGRAM DIP (TOP VIEW)
PIN NAMES LOADING (Note a)
Clock (Active HIGH Going Edge) Input
D0–D7 Data Inputs Master Reset (Active LOW) Input
Q0–Q7 Register Outputs (Note b)
NOTES:
a) 1 TTL Unit Load (U.L.) = 40 μA HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial
(74) Temperature Ranges.
TRUTH TABLE

H = HIGH Logic Level
L = LOW Logic Level
X = Immaterial
LOGIC DIAGRAM
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