SN74LS258BD datasheet by Texas Instruments

SN74LS258BD Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74LS258BD?
  The maximum operating frequency of the SN74LS258BD is 35 MHz, but it can vary depending on the load capacitance and the output current.
• How do I ensure reliable operation of the SN74LS258BD in high-temperature environments?
  To ensure reliable operation in high-temperature environments, it is recommended to operate the device within the recommended operating temperature range of 0°C to 70°C, and to ensure proper heat dissipation through the use of a heat sink or thermal pad.
• What is the recommended power-on sequence for the SN74LS258BD?
  The recommended power-on sequence for the SN74LS258BD is to apply power to the VCC pin before applying any input signals, and to ensure that the input signals are stable before applying power to the VCC pin.
• How do I handle bus contention when using the SN74LS258BD as a bus transceiver?
  To handle bus contention when using the SN74LS258BD as a bus transceiver, it is recommended to use a bus arbiter or a bus controller to manage access to the bus, and to ensure that only one device is driving the bus at a time.
• What is the maximum output current of the SN74LS258BD?
  The maximum output current of the SN74LS258BD is 15 mA per output pin, but it can be limited by the total device power dissipation and the output voltage.