Overview
The MC74AC273DWG, produced by onsemi, is an octal D-type flip-flop integrated circuit. This device features eight edge-triggered D-type flip-flops with individual D inputs and Q outputs. It includes a common buffered Clock (CP) and Master Reset (MR) inputs, which allow for simultaneous loading and resetting of all flip-flops. The MC74AC273DWG is part of the 74AC series, known for its high-speed and low-power CMOS logic.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| VCC (DC Supply Voltage) | −0.5 to +6.5 | V | Referenced to GND |
| VI (DC Input Voltage) | −0.5 to VCC + 0.5 | V | Referenced to GND |
| VO (DC Output Voltage) | −0.5 to VCC + 0.5 | V | Referenced to GND |
| IIK (DC Input Diode Current) | ±20 | mA | |
| IOK (DC Output Diode Current) | ±50 | mA | |
| IOUT (DC Output Sink/Source Current) | ±50 | mA | |
| ICC (DC Supply Current per Output Pin) | ±50 | mA | |
| TSTG (Storage Temperature Range) | −65 to +150 | °C | |
| TJ (Junction Temperature Under Bias) | 140 | °C | |
| VIH (Minimum High Level Input Voltage) at VCC = 5.0V | 4.5 | V | VOUT = 0.1 V or VCC − 0.1 V |
| VIL (Maximum Low Level Input Voltage) at VCC = 5.0V | 1.5 | V | VOUT = 0.1 V or VCC − 0.1 V |
| VOH (Minimum High Level Output Voltage) at VCC = 5.0V | 4.49 | V | IOUT = −50 μA |
| VOL (Maximum Low Level Output Voltage) at VCC = 5.0V | 0.1 | V | IOUT = 50 μA |
| tPHL (Propagation Delay Clock to Output) at VCC = 5.0V | 3.0 to 6.0 | ns | TA = +25°C CL = 50 pF |
| tPLH (Propagation Delay Clock to Output) at VCC = 5.0V | 3.0 to 6.5 | ns | TA = +25°C CL = 50 pF |
| ts (Setup Time, HIGH or LOW − Data to CP) at VCC = 5.0V | 3.0 to 4.5 | ns | TA = +25°C CL = 50 pF |
| th (Hold Time, HIGH or LOW − Data to CP) at VCC = 5.0V | −2.5 to 2.0 | ns | TA = +25°C CL = 50 pF |
Key Features
- Ideal buffer for MOS microprocessor or memory applications.
- Eight edge-triggered D-type flip-flops with individual D inputs and Q outputs.
- Buffered common Clock (CP) and asynchronous Master Reset (MR) inputs.
- Outputs source/sink 24 mA.
- The ′ACT273 version has TTL compatible inputs.
- Pb-free devices.
Applications
The MC74AC273DWG is suitable for a variety of applications where high-speed and low-power logic is required. These include:
- MOS microprocessor and memory systems.
- High-speed digital circuits requiring edge-triggered flip-flops.
- Systems needing asynchronous master reset capabilities.
- Buffering applications in digital logic circuits.
Q & A
- What is the MC74AC273DWG?
The MC74AC273DWG is an octal D-type flip-flop integrated circuit produced by onsemi.
- How many flip-flops does the MC74AC273DWG contain?
The device contains eight edge-triggered D-type flip-flops.
- What are the key inputs and outputs of the MC74AC273DWG?
The device has individual D inputs and Q outputs, a common buffered Clock (CP), and a Master Reset (MR) input.
- What is the maximum clock frequency for the MC74AC273DWG?
The maximum clock frequency is up to 125 MHz at VCC = 5.0V.
- What are the propagation delays for the MC74AC273DWG?
The propagation delays from clock to output range from 3.0 to 6.0 ns at VCC = 5.0V.
- Is the MC74AC273DWG Pb-free?
Yes, the MC74AC273DWG is a Pb-free device.
- What are the recommended operating conditions for VCC?
The recommended VCC range is from 3.0V to 5.5V.
- What is the setup time for data to the clock input?
The setup time ranges from 3.0 to 4.5 ns at VCC = 5.0V.
- What is the hold time for data to the clock input?
The hold time ranges from −2.5 to 2.0 ns at VCC = 5.0V.
- What are the typical applications for the MC74AC273DWG?
Typical applications include MOS microprocessor and memory systems, high-speed digital circuits, and buffering in digital logic circuits.
