MC74HC165A
Every spec below is cited to the manufacturer datasheet. Compare the closest alternatives, then ask the assistant what it means for your design.
What the MC74HC165A does
The MC74HC165A is an 8-bit shift register with complementary outputs from the final stage, available in parallel or serial input configurations. It operates on a single supply of 2.0 to 6.0 V and supports input voltages up to VCC + 0.5 V. The device features a 2-input NOR clock allowing independent sources or clock inhibit functionality, with a maximum supply current of 50 mA. It drives 10 LSTTL loads and interfaces directly with CMOS, NMOS, and TTL logic. This component is suitable for data loading and shifting applications across commercial, industrial, and automotive temperature ranges from -55 to +125 °C.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| quiescent current | 4 µA | — | 160 µA | Vin = VCCor GNDIout = 0 μA; VCCV = 6.0; icc(per package); DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) | onsemi datasheet, p. 4 — DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) |
| output current (abs max) | -25 mA | — | 25 mA | iout; MAXIMUM RATINGS | onsemi datasheet, p. 3 — MAXIMUM RATINGS |
| supply voltage range | 2 V | — | 6 V | vcc(referenced to gnd); RECOMMENDED OPERATING CONDITIONS | onsemi datasheet, p. 3 — RECOMMENDED OPERATING CONDITIONS |
| operating temperature | -55 °C | — | 125 °C | ta; RECOMMENDED OPERATING CONDITIONS | onsemi datasheet, p. 3 — RECOMMENDED OPERATING CONDITIONS |
| input capacitance | 10 pF | — | 10 pF | –; ≤_85°C = 10; cin | onsemi datasheet, p. 4 |
| propagation delay | 150 ns | — | 225 ns | VCCV = 2.0; ≤_85°C = 190; tplh(figures 1 and 8) | onsemi datasheet, p. 4 |
| rise time | — | — | 1 µs | VCCV = 2.0; ≤_125°C = 1000; tr(figure 1); MC74HC165A | onsemi datasheet, p. 5 — MC74HC165A |
| output voltage high | 1.9 V | — | 1.9 V | Vin = VIHor VIL|Iout| ≤ 20 μA; voh; DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) | onsemi datasheet, p. 3 — DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) |
| output voltage low | 100 mV | — | 100 mV | Vin = VIHor VIL|Iout| ≤ 20 μA; VCCV = 2.0; vol; DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) | onsemi datasheet, p. 4 — DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) |
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Frequently asked questions
What is the input capacitance of the MC74HC165A?
The input capacitance is 10 pF at –; ≤_85°C = 10; cin.
What is the maximum operating temperature (ta) for the MC74HC165A under recommended operating conditions?
The maximum operating temperature (ta) is 125 °C.
What is the maximum output current (iout) specified in the Maximum Ratings section?
The maximum output current (iout) is 25 mA.
What is the output voltage high (Voh) when Vin = VIH or VIL, |Iout| ≤ 20 μA?
The output voltage high is 1.9 V.
What is the output voltage low (vol) when Vin = VIH or VIL, |Iout| ≤ 20 μA, and VCCV = 2.0 V?
The output voltage low is 100 mV.
What is the propagation delay (tplh) for the MC74HC165A at VCC = 2.0V and temperatures up to 85°C?
The propagation delay (tplh) is 225 ns at VCC = 2.0V and temperatures up to 85°C, as shown in figures 1 and 8.
What is the quiescent current when Vin = VCCor GNDIout = 0 μA and VCCV = 6.0?
The quiescent current is 160 µA.
What is the rise time for the MC74HC165A at VCCV = 2.0 and ≤_125°C = 1000 as shown in figure 1?
The rise time is 1 µs.
What is the supply voltage range under RECOMMENDED OPERATING CONDITIONS?
The supply voltage range is 6 V when vcc is referenced to gnd.