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74HC244 from TOS/HIT

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74HC244

Manufacturer: TOS/HIT

Octal 3−State Noninverting Buffer/Line Driver/Line Receiver

Partnumber Manufacturer Quantity Availability
74HC244 TOS/HIT 2900 In Stock

Description and Introduction

Octal 3−State Noninverting Buffer/Line Driver/Line Receiver The 74HC244 is a high-speed CMOS octal buffer/line driver with 3-state outputs, manufactured by Toshiba (TOS) and Hitachi (HIT). Key specifications include:

- **Supply Voltage (VCC):** 2.0V to 6.0V
- **High-Level Input Voltage (VIH):** 2.0V (min) at VCC = 4.5V
- **Low-Level Input Voltage (VIL):** 0.8V (max) at VCC = 4.5V
- **High-Level Output Voltage (VOH):** 4.4V (min) at VCC = 4.5V, IOH = -4mA
- **Low-Level Output Voltage (VOL):** 0.1V (max) at VCC = 4.5V, IOL = 4mA
- **Input Current (IIN):** ±1µA (max) at VCC = 6.0V
- **Output Current (IOUT):** ±35mA (max)
- **Propagation Delay (tpd):** 13ns (typ) at VCC = 4.5V
- **Operating Temperature Range:** -40°C to +85°C
- **Package Options:** DIP20, SOP20, TSSOP20

The device features two active-low output enable inputs (OE1 and OE2) that control the 3-state outputs, allowing for bus-oriented applications. It is designed for use in high-speed CMOS logic systems.

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