HomedatasheetSN74LV244ATDBR

SN74LV244ATDBR Datasheet

OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
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Description

DESCRIPTION/ORDERING INFORMATION
This octal buffer/driver is designed specifically to improve both the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters.
The SN74LV244AT is organized as two 4-bit buffers/line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE shall be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

FEATURES
• Inputs Are TTL-Voltage Compatible
• 4.5-V to 5.5-V VCC Operation
• Typical tpd = 5.4 ns at 5 V
• Typical VOLP (Output Ground Bounce)
   <0.8 V at VCC = 5 V, TA = 25°C
• Typical VOHV (Output VOH Undershoot)
   >2.3 V at VCC = 5 V, TA = 25°C
• Supports Mixed-Mode Voltage Operation on All Ports
• Ioff Supports Partial-Power-Down Mode Operation
• Latch-Up Performance Exceeds 250 mA Per JESD 17
• ESD Protection Exceeds JESD 22
   – 2000-V Human-Body Model (A114-A)
   – 200-V Machine Model (A115-A)
   – 1000-V Charged-Device Model (C101)

Features

Parameters


Manufacturer information

TEXAS INSTRUMENTS

Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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