The VHCT245A is a high-speed CMOS octal bus transceiver manufactured by Toshiba. Below are its key specifications, descriptions, and features:
Manufacturer:
Toshiba
Specifications:
- Logic Family: VHCT (Very High-Speed CMOS with TTL Compatibility)
- Number of Channels: 8 (Octal)
- Supply Voltage Range: 4.5V to 5.5V
- High-Level Input Voltage (VIH): 2.0V (min)
- Low-Level Input Voltage (VIL): 0.8V (max)
- High-Level Output Voltage (VOH): 2.7V (min) @ IOH = -4mA
- Low-Level Output Voltage (VOL): 0.5V (max) @ IOL = 8mA
- Propagation Delay (tpd): 5.5ns (max) @ VCC = 5V, CL = 50pF
- Operating Temperature Range: -40°C to +85°C
- Package Options: SOP-20, TSSOP-20
Descriptions:
- Function: Bidirectional octal bus transceiver with 3-state outputs.
- Direction Control: Uses a DIR (Direction Control) pin to determine data flow (A to B or B to A).
- Output Enable: Features an OE (Output Enable) pin to disable outputs (high-impedance state).
- TTL-Compatible Inputs: Ensures direct interfacing with TTL logic levels.
Features:
- High-Speed Operation: Optimized for fast data transfer.
- Low Power Consumption: CMOS technology ensures low static power dissipation.
- 3-State Outputs: Allows bus-oriented applications.
- Bidirectional Data Flow: Controlled by a single direction pin.
- Wide Operating Voltage: Supports standard 5V logic systems.
- ESD Protection: Provides robustness against electrostatic discharge.
This information is based on Toshiba's official datasheet for the VHCT245A. For detailed electrical characteristics and application notes, refer to the manufacturer's documentation.