DS1233D-5 datasheet by Maxim Integrated Products

DS1233D-5 Frequently Asked Questions (FAQs)

• What is the recommended layout and placement for the DS1233D-5 to ensure optimal performance?
  The DS1233D-5 is a sensitive device and requires careful layout and placement to ensure optimal performance. It is recommended to place the device close to the battery, use short traces, and avoid routing signals under the device. Additionally, a solid ground plane under the device can help reduce noise and improve performance.
• How do I handle the reset pin (RST) during power-up and power-down sequences?
  The reset pin (RST) should be tied to VCC through a pull-up resistor (typically 1kΩ to 10kΩ) to ensure a clean reset during power-up. During power-down, the RST pin should be driven low to ensure a clean shutdown. It is also recommended to add a capacitor (typically 0.1μF to 1μF) between RST and GND to filter out noise.
• What is the maximum allowed voltage on the VCC pin during power-up and power-down sequences?
  The maximum allowed voltage on the VCC pin during power-up and power-down sequences is 6V. Exceeding this voltage can cause damage to the device. It is recommended to use a voltage supervisor or a power-on reset circuit to ensure a clean power-up and power-down sequence.
• How do I ensure that the DS1233D-5 is properly reset during a power failure or brownout condition?
  To ensure a proper reset during a power failure or brownout condition, it is recommended to use a voltage supervisor or a power-on reset circuit that can detect the power failure or brownout condition and drive the RST pin low. This will ensure that the device is properly reset and can recover cleanly when power is restored.
• What is the recommended operating temperature range for the DS1233D-5?
  The recommended operating temperature range for the DS1233D-5 is -40°C to +85°C. Operating the device outside this range can affect its performance and reliability.