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Octal 3-State Buffer/Line Driver IC - 74HC244
Octal 3-State Buffer/Line Driver IC - 74HC244
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- 3-STATE outputs drive bus lines directly
- PNP inputs reduce DC loading on bus lines
- Hysteresis at data inputs improves noise margins
- Typical IOL (sink current) 24 mA
- Typical IOH (source current) −15 mA
- Typical propagation delay times Inverting 10.5 ns Non-inverting 12 ns
- Typical enable/disable time 18 ns
- Typical power dissipation (enabled) Inverting 130 mW Non-inverting 135 mW
Octal 3-State Buffer/Line Driver IC - 74HC244
The 74HC Series 74HC244 buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/ drivers employed as memory address drivers, clock drivers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data line input, they provide improved noise rejection and high fan-out outputs and can be used to drive terminated lines down to 133Ω.
Pinout:
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Selected qty of IC - 74HC244
Specifications:
| Supply Voltage (VCC) | 7 V |
| Input Voltage (VI) | 7 V |
| Operating free-air temperature range | 0°C to +70°C |
| Storage temperature range | –65°C to +150°C |
Shipping & Returns
Shipping & Returns
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same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
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- Refunds are processed within 3-4 working days post inspection and approval.
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ADDITIONAL RESOURCES
1.What is the function of 74HC244?
- The 74HC244 is a buffer/line driver with three output states. The device can function as two 4-bit buffers or as a single 8-bit buffer. The device has two output enables (1OE and 2OE), each of which controls four of the three-state outputs. When nOE is HIGH, the outputs go into a high-impedance OFF state.
2.What does 74HC244 do?
- The 74HC244 integrated circuit may drive terminated lines as low as 133. The 74HC244 octal buffers and line drivers are specifically designed to increase the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.