Overview
The MC74HC74ADG is a dual D flip-flop with set and reset inputs, manufactured by onsemi. This device is part of the HC (High-Speed CMOS) logic family and is designed to be compatible with standard CMOS outputs as well as LSTTL outputs when used with pull-up resistors. The MC74HC74ADG consists of two D flip-flops, each with individual set, reset, and clock inputs. The device operates within a voltage range of 2.0 to 6.0 volts and is suitable for a wide range of digital logic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 2.0 to 6.0 | V |
| DC Input Voltage (VIN) | –0.5 to VCC + 0.5 | V |
| DC Output Voltage (VOUT) | –0.5 to VCC + 0.5 | V |
| Maximum Clock Frequency (fmax) | Up to 24 MHz | MHz |
| Propagation Delay, Clock to Q or Q (tPLH, tPHL) | 17 to 150 ns | ns |
| Input Capacitance (Cin) | 10 pF | pF |
| Power Dissipation Capacitance (CPD) | 32 pF (typical at 25°C, VCC = 5.0 V) | pF |
| Operating Free-Air Temperature (TA) | –55 to +125 °C | °C |
| Storage Temperature Range (TSTG) | –65 to +150 °C | °C |
| Lead Temperature (TL) | 260 °C (1 mm from case for 10 seconds) | °C |
Key Features
- Output Drive Capability: 10 LSTTL Loads
- Outputs directly interface to CMOS, NMOS, and TTL
- Low Input Current: 1.0 μA
- High Noise Immunity characteristic of CMOS devices
- In compliance with JEDEC Standard No. 7.0 A requirements
- Chip Complexity: 136 FETs or 34 equivalent gates
- Pb-free, Halogen-free/BFR-free, and RoHS compliant
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
Applications
The MC74HC74ADG is versatile and can be used in a variety of digital logic applications, including:
- Sequential logic circuits
- Counters and timers
- Shift registers
- Data storage and retrieval systems
- Automotive electronics
- Industrial control systems
Q & A
- What is the operating voltage range of the MC74HC74ADG?
The operating voltage range is from 2.0 to 6.0 volts.
- What is the maximum clock frequency for the MC74HC74ADG?
The maximum clock frequency is up to 24 MHz.
- Is the MC74HC74ADG compatible with LSTTL outputs?
- What is the propagation delay from clock to Q or Q?
The propagation delay ranges from 17 to 150 ns depending on the operating voltage.
- Is the MC74HC74ADG RoHS compliant?
- What are the storage temperature limits for the MC74HC74ADG?
The storage temperature range is from –65 to +150 °C.
- Can the MC74HC74ADG be used in automotive applications?
- What is the input capacitance of the MC74HC74ADG?
The input capacitance is 10 pF.
- What is the power dissipation capacitance of the MC74HC74ADG?
The power dissipation capacitance is typically 32 pF at 25°C with VCC = 5.0 V.
- What are the thermal resistance and power dissipation limits for the MC74HC74ADG?
The thermal resistance is 116 °C/W for SOIC-14 and 150 °C/W for TSSOP-14. The power dissipation in still air at 25°C is 1077 mW for SOIC-14 and 833 mW for TSSOP-14.
