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74HC273 IC – (SMD Package) – Octal D-Type Flip-Flop with Reset IC (74273 IC)

39.00 + GST

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The 74HC273 edge triggered flip-flops utilize advanced silicon-gate CMOS technology to implement D-type flipflops. They possess high noise immunity, low power, and speeds comparable to low power Schottky TTL circuits. This device contains 8 master-slave flip-flops with a common clock and common clear. Data on the D input having the specified setup and hold times is transferred to the Q output on the LOW-to-HIGH transition of the CLOCK input. The CLEAR input when LOW, sets all outputs to a low state. Each output can drive 10 low power Schottky TTL equivalent loads. The 74HC273 is functionally as well as pin compatible to the 74LS273. All inputs are protected from damage due to static discharge by diodes to VCC and ground.


• Typical propagation delay: 18 ns

• Wide operating voltage range

• Low input current: 1 µA maximum

• Low quiescent current: 80 µA (74 Series)

• Output drive: 10 LS-TTL loads


Symbol Parameter Value Unit
VCC Supply Voltage − 0.5 to + 7.0V V
VIN DC Input Voltage  − 1.5 to VCC + 1.5V V
VOUT DC Output Voltage − 0.5 to VCC + 0.5V V
IIK, IOK Clamp Diode Current ± 20 mA
IOUT DC Output Current, per pin ± 25 mA
ICC DC VCC or GND Current, per pin ± 50 mA
TSTG Storage Temperature Range − 65°C to + 150 °C
PD Power Dissipation 500  mW
TL Lead Temperature 260 °C


* product image for illustration purposes only. actual product may vary.


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