Octal Buffers and Line Drivers With 3-State Outputs
NCA8245 is an octal buffer/driver used for improving driver ability of bus-oriented receivers and transmitters, clock drivers etc. and ensuring the accuracy of signal timing. The device provides a direction-control (DIR) input for transmitting data bidirectionally. When DIR is logic high, it transmits data from A to B, and from B to A when DIR is logic low. When /OE is high, the outputs are in the highimpedance state. During power up and power down, /OE should be tied to VCC through a pull-up resistor to ensure the high impedance state. NCA8245 can tolerate up to 5.5V input voltage and each channel supports maximum 24 mA current drive. All unused inputs must be held at VCC or GND to prevent excess supply current.
Product Features
• Input: TTL level compatible
• Power supply voltage: 4.5V-5.5V
• Input pins can withstand up to 5.5V inputs
• Chip-level ESD: HBM: ±4kV
• 3-state output
• Operation temperature:-40℃-125℃
• RoHS-compliant package: TSSOP20
Application
• Motor driver
• I/O modules
• LED displays
Functional Block Diagram
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