Overview
The MC74VHC74DTR2G, produced by onsemi, is a high-speed CMOS D-Type Flip-Flop integrated circuit. It is fabricated using silicon gate CMOS technology, which enables high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining the low power dissipation characteristic of CMOS devices. This dual D-Type Flip-Flop features individual Set, Reset, and Clock inputs for each flip-flop, with both Q and Q outputs available. The device is designed to operate over a wide voltage range from 2.0 V to 5.5 V, making it versatile for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (DC Supply Voltage) | 2.0 | 5.5 | V | |
| Vin (DC Input Voltage) | −0.5 | 6.5 | V | |
| Vout (DC Output Voltage) | −0.5 | VCC + 0.5 | V | |
| ICC (DC Supply Current) | 2 | 50 | mA | |
| tPLH, tPHL (Propagation Delay, CP to Q or Q) | 4.6 | 6.1 | 7.3 | ns (at VCC = 5.0 V, CL = 15 pF) |
| fmax (Maximum Clock Frequency) | 80 | 130 | 170 | MHz (at VCC = 5.0 V, CL = 15 pF) |
| TA (Operating Temperature) | −55 | +125 | °C |
Key Features
- High Speed: Maximum clock frequency up to 170 MHz at VCC = 5 V.
- Low Power Dissipation: ICC = 2 μA (Max) at TA = 25°C.
- High Noise Immunity: VNIH = VNIL = 28% VCC.
- Power Down Protection Provided on Inputs.
- Balanced Propagation Delays.
- Designed for 2.0 V to 5.5 V Operating Range.
- Low Noise: VOLP = 0.8 V (Max).
- Pin and Function Compatible with Other Standard Logic Families.
- Latchup Performance Exceeds 100 mA.
- Output Structures Provide Protection When VCC = 0 V.
Applications
The MC74VHC74DTR2G is suitable for a variety of applications due to its high speed, low power consumption, and wide operating voltage range. It can be used in:
- Digital logic circuits requiring high-speed flip-flops.
- Level conversion between 3.3 V and 5.0 V systems.
- Microcontroller and microprocessor systems.
- Communication and networking equipment.
- Automotive and industrial control systems.
Q & A
- What is the maximum clock frequency of the MC74VHC74DTR2G?
The maximum clock frequency is up to 170 MHz at VCC = 5 V.
- What is the operating voltage range of the MC74VHC74DTR2G?
The device operates over a voltage range from 2.0 V to 5.5 V.
- How much power does the MC74VHC74DTR2G consume?
The maximum supply current (ICC) is 2 μA at TA = 25°C.
- What kind of noise immunity does the MC74VHC74DTR2G offer?
The device has high noise immunity with VNIH = VNIL = 28% VCC.
- Is the MC74VHC74DTR2G compatible with TTL levels?
The MC74VHCT74A version of this device is compatible with TTL levels, while the MC74VHC74 is compatible with standard CMOS levels.
- What is the maximum propagation delay of the MC74VHC74DTR2G?
The maximum propagation delay (tPLH, tPHL) is approximately 7.3 ns at VCC = 5.0 V and CL = 15 pF.
- Does the MC74VHC74DTR2G have power down protection?
- What is the storage temperature range for the MC74VHC74DTR2G?
The storage temperature range is from −65°C to +150°C.
- Can the MC74VHC74DTR2G be used for level conversion?
- What is the thermal resistance of the MC74VHC74DTR2G in a TSSOP-14 package?
The thermal resistance (JA) is approximately 150°C/W in a TSSOP-14 package.
