SN74LS373N(74LS373)
The SN74LS373N is an octal transparent latch from the 74LS series of TTL logic ICs. It features eight D-type latches with 3-state outputs. The latches are transparent when the latch enable (LE) input is high, allowing data at the D inputs to be transferred to the outputs. When the latch enable input is low, the data present at the D inputs is latched and held at the outputs. The outputs are controlled by the output enable (OE) input, which can disable the outputs to provide high-impedance states. This IC is useful for temporary data storage, data buffering, and interfacing between different parts of a digital system.
Key Features:
- Octal transparent latch
- 3-state outputs for bus-oriented applications
- High-speed operation
- Transparent latch when LE is high
- Latches data when LE is low
- Output enable for bus isolation
- Standard 20-pin DIP package
- TTL-compatible inputs and outputs
- Supply Voltage (VCC): 4.75V to 5.25V
- High-Level Input Voltage (VIH): 2V (min)
- Low-Level Input Voltage (VIL): 0.8V (max)
- High-Level Output Voltage (VOH): 2.7V (min) at IOH = -2.6 mA
- Low-Level Output Voltage (VOL): 0.4V (max) at IOL = 24 mA
- Input Current (II): 0.1 mA (max)
- Output Current (IO): 24 mA (max per output)
- Propagation Delay Time (tpd): 20 ns (typical)
- Operating Temperature Range: 0°C to +70°C
- Package: 20-pin DIP
- Temporary Data Storage: Stores data temporarily in digital systems.
- Data Buffering: Buffers data between different parts of a system.
- Bus-Oriented Systems: Facilitates data transfer in bus-oriented systems.
- Microprocessor Interfaces: Interfaces microprocessors with other digital components.
- Control Systems: Used in control systems for data latching and storage.
- Industrial Automation: Implements control and data handling functions in industrial systems.