(PDF) HC273 Datasheet - Octal D Flip-Flop with Common Clock and Reset

Número de pieza	HC273
Descripción	Octal D Flip-Flop with Common Clock and Reset
Fabricantes	System Logic Semiconductor
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No Preview Available ! SL74HC273 Octal D Flip-Flop with Common Clock and Reset High-Performance Silicon-Gate CMOS The SL74HC273 is identical in pinout to the LS/ALS273. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. This device consists of eight D flip-flops with common Clock and Reset inputs. Each flip-flop is loaded with a low-to-high transition of the Clock input. Reset is asynchronous and active low. • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.0 to 6.0 V • Low Input Current: 1.0 µA • High Noise Immunity Characteristic of CMOS Devices ORDERING INFORMATION SL74HC273N Plastic SL74HC273D SOIC TA = -55° to 125° C for all packages LOGIC DIAGRAM PIN ASSIGNMENT PIN 20=VCC PIN 10 = GND SLS System Logic Semiconductor FUNCTION TABLE Inputs Reset Clock LX H H HL H X = don’t care D X H L X X Output Q L H L no change no change 1 page SL74HC273 Figure 1. Switching Waveforms Figure 2. Switching Waveforms Figure 3. Switching Waveforms Figure 4. Test Circuit EXPANDED LOGIC DIAGRAM SLS System Logic Semiconductor 5 Page

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PDF HC273 Data sheet ( Hoja de datos )