SN74LVC07APWR Detailed explanation of pin function specifications and circuit principle instructions
The "SN74LVC07APWR" is a part from Texas Instruments (TI), specifically from the LVC logic family, which includes low-voltage CMOS (complementary metal-oxide-semiconductor) Logic device s. The part number "SN74LVC07APWR" refers to a hex buffer with open-drain outputs. Here's a breakdown of your request:
1. Brand Information:
Brand: Texas Instruments (TI) Series: SN74LVC07A (Logic device, specifically a Hex Buffer with Open-Drain Outputs) Package Type: TSSOP (Thin Shrink Small Outline Package) Package Code: PW Pins: 142. Pin Function Specifications and Circuit Principles:
The SN74LVC07APWR comes in a 14-pin TSSOP package (TSSOP-14). Below is a detailed explanation of its pins:
Pin Number Pin Name Pin Function 1 A1 Input: Logic input for buffer. The A inputs are used to control the output state. 2 A2 Input: Logic input for buffer. 3 A3 Input: Logic input for buffer. 4 A4 Input: Logic input for buffer. 5 A5 Input: Logic input for buffer. 6 A6 Input: Logic input for buffer. 7 GND Ground: This is the reference ground pin for the IC. All input and output logic signals are referenced to this pin. 8 O1 Output: Open-drain output, which is low when enabled or floating when disabled. 9 O2 Output: Open-drain output. 10 O3 Output: Open-drain output. 11 O4 Output: Open-drain output. 12 O5 Output: Open-drain output. 13 O6 Output: Open-drain output. 14 VCC Supply Voltage: Power supply for the IC. Typically 2V to 5.5V for this logic family.3. Pin Function Summary Table (14 Pins):
Pin Number Pin Name Description 1 A1 Input logic signal for the first buffer. 2 A2 Input logic signal for the second buffer. 3 A3 Input logic signal for the third buffer. 4 A4 Input logic signal for the fourth buffer. 5 A5 Input logic signal for the fifth buffer. 6 A6 Input logic signal for the sixth buffer. 7 GND Ground connection. 8 O1 Open-drain output for the first buffer. The output is low when active or floating if inactive. 9 O2 Open-drain output for the second buffer. 10 O3 Open-drain output for the third buffer. 11 O4 Open-drain output for the fourth buffer. 12 O5 Open-drain output for the fifth buffer. 13 O6 Open-drain output for the sixth buffer. 14 VCC Power supply input (2V to 5.5V).4. Functional Description of SN74LVC07APWR:
The SN74LVC07APWR is a hex buffer with open-drain outputs, meaning its outputs do not drive high but rather can only drive low or remain in a high-impedance (floating) state when inactive. This makes it suitable for applications requiring logic level shifting or bus isolation.
5. 20 Frequently Asked Questions (FAQ):
FAQ 1: What type of device is the SN74LVC07APWR?Answer: The SN74LVC07APWR is a hex buffer with open-drain outputs designed by Texas Instruments.
FAQ 2: What is the supply voltage for the SN74LVC07APWR?Answer: The supply voltage (Vcc) for the SN74LVC07APWR can range from 2V to 5.5V.
FAQ 3: How many pins does the SN74LVC07APWR have?Answer: The SN74LVC07APWR has 14 pins in total.
FAQ 4: What is the purpose of the open-drain outputs?Answer: The open-drain outputs allow the device to interface with systems that require either high impedance or active low signals, making it ideal for bus-driving applications.
FAQ 5: Can the SN74LVC07APWR be used in a 5V system?Answer: Yes, the device can be used in systems with a 5V supply, as the supply voltage range is from 2V to 5.5V.
FAQ 6: What is the logic family for the SN74LVC07APWR?Answer: The SN74LVC07APWR belongs to the LVC (Low-Voltage CMOS) logic family.
FAQ 7: What is the input threshold voltage for the SN74LVC07APWR?Answer: The input threshold voltage for the SN74LVC07APWR is typically 0.8V for low and 2V for high at 5V Vcc.
FAQ 8: How much current can the SN74LVC07APWR source or sink?Answer: The device can source or sink a maximum current of 24mA per output.
FAQ 9: What is the function of pin 7 (GND)?Answer: Pin 7 is the ground pin, which serves as the reference for the logic levels.
FAQ 10: What is the function of pin 14 (Vcc)?Answer: Pin 14 is the supply voltage pin, which powers the IC.
FAQ 11: Can the outputs of the SN74LVC07APWR be connected directly to other ICs?Answer: Yes, the open-drain outputs can be connected to other ICs, provided that appropriate pull-up resistors are used to drive the logic high.
FAQ 12: Is there a maximum current rating for the outputs?Answer: Yes, the maximum output current is 24mA per pin.
FAQ 13: What is the temperature range for the SN74LVC07APWR?Answer: The operating temperature range for the SN74LVC07APWR is from -40°C to 125°C.
FAQ 14: How is the open-drain output controlled?Answer: The open-drain output is controlled by the logic level on the input pins (A1 to A6). When the input is low, the output will pull low, and when the input is high, the output is in high-impedance state.
FAQ 15: Can the SN74LVC07APWR be used for level shifting?Answer: Yes, because of the open-drain configuration, the SN74LVC07APWR can be used for level shifting between different voltage systems.
FAQ 16: What is the difference between a standard buffer and an open-drain buffer?Answer: A standard buffer drives both high and low logic levels, while an open-drain buffer can only drive low and requires an external pull-up resistor to pull the line high.
FAQ 17: Can I use the SN74LVC07APWR for both high and low voltage logic circuits?Answer: Yes, the open-drain outputs allow it to be used in both high and low voltage logic circuits, as long as appropriate
