Overview
The MC74HC175ADR2, produced by onsemi, is a Quad D-Type Flip-Flop with common clock and reset inputs. This device is part of the high-performance silicon-gate CMOS logic family and is functionally and pin-out compatible with the standard 74LS logic family. It features four D flip-flops, each with separate D inputs and complementary Q and Q outputs. The device is designed to operate over a wide supply voltage range and offers high noise immunity and low power consumption, making it suitable for a variety of digital circuit applications.
Key Specifications
| Parameter | Unit | Guaranteed Limits | Typical Values |
|---|---|---|---|
| VCC (Supply Voltage) | V | –0.5 to +7.0 | 2.0 to 6.0 |
| VIN (DC Input Voltage) | V | –0.5 to VCC + 0.5 | |
| VOUT (DC Output Voltage) | V | –0.5 to VCC + 0.5 | |
| IIN (DC Input Current per Pin) | mA | ±20 | |
| IOUT (DC Output Current per Pin) | mA | ±25 | |
| ICC (DC Supply Current) | μA | ±50 | 160 (at VCC = 5V) |
| fmax (Maximum Clock Frequency) | MHz | 6 (at VCC = 2V), 35 (at VCC = 6V) | |
| tPLH, tPHL (Propagation Delay, Clock to Q or Q) | ns | 150 (at VCC = 2V), 22 (at VCC = 6V) | |
| tTLH, tTHL (Output Transition Time) | ns | 75 (at VCC = 2V), 13 (at VCC = 6V) | |
| Cin (Maximum Input Capacitance) | pF | 10 | |
| CPD (Power Dissipation Capacitance per Flip-Flop) | pF | 35 (at VCC = 5V) |
Key Features
- High-speed CMOS technology for high noise immunity and low power consumption.
- Wide operating supply voltage range: 2.0 to 6.0 V.
- Low input current: 1 μA maximum.
- Low quiescent supply current: 160 μA maximum at VCC = 5V.
- High output drive capability: can drive 10 LS-TTL loads.
- Complementary outputs (Q and Q) available for each flip-flop.
- Common clock and reset inputs for all four flip-flops.
- Asynchronous reset (active-low).
- Pb-free devices.
Applications
- Digital counters and dividers.
- Shift registers and data storage.
- Sequential logic circuits.
- Automotive and industrial control systems (especially the NLV74HC175ADTR2G variant which is AEC-Q100 qualified).
- General-purpose digital circuits requiring low power consumption and high noise immunity.
Q & A
- What is the operating supply voltage range of the MC74HC175ADR2?
The operating supply voltage range is from 2.0 to 6.0 V.
- How many D flip-flops does the MC74HC175ADR2 contain?
The device contains four D-type flip-flops.
- What is the maximum clock frequency for the MC74HC175ADR2 at VCC = 6V?
The maximum clock frequency at VCC = 6V is 35 MHz.
- What is the propagation delay from clock to Q or Q outputs at VCC = 6V?
The propagation delay from clock to Q or Q outputs at VCC = 6V is approximately 22 ns.
- Is the MC74HC175ADR2 compatible with LS-TTL outputs?
Yes, the device inputs are compatible with standard CMOS outputs and, with pull-up resistors, they are compatible with LS-TTL outputs.
- What is the maximum output current per pin for the MC74HC175ADR2?
The maximum output current per pin is ±25 mA.
- Does the MC74HC175ADR2 have Pb-free packaging options?
Yes, the device is available in Pb-free packaging options.
- What is the storage temperature range for the MC74HC175ADR2?
The storage temperature range is from –65°C to +150°C.
- What is the minimum setup time for data to clock at VCC = 6V?
The minimum setup time for data to clock at VCC = 6V is approximately 17 ns.
- Is the MC74HC175ADR2 suitable for automotive applications?
Yes, especially the NLV74HC175ADTR2G variant which is AEC-Q100 qualified and PPAP capable.
