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Renesas
Renesas Electronics
Description : OCTAL Buffers / Line Drivers / Line Receivers (non inverted three-state OUTPUTS)

OCTAL Buffers / Line Drivers / Line Receivers (non inverted three-state OUTPUTS)

Description : OCTAL Buffers/Line Drivers WITH 3-STATE OUTPUTS

General Description
The 74F240, 74F241 and 74F244 are OCTAL buffers and line drivers designed to be employed as memory and address drivers, clock drivers and bus-oriented transmitters/receiv ers which provide improved PC and board density.

Features
3-STATE OUTPUTS drive bus lines or buffer memoryaddress registers
OUTPUTS sink 64 mA (48 mA mil)
■12 mA source current
■Input clamp diodes limit high-speed termination effects

Part Name(s) : HD74LVCZ244A
Hitachi
Hitachi -> Renesas Electronics
Description : OCTAL Buffers / Line Drivers WITH 3–state OUTPUTS

Description
The HD74LVCZ244A has eight line drivers WITH three state OUTPUTS in a 20 pin package. This device is a noninverting buffer and has two active low enables (1G and 2G). Each enable independently controls four buffers.

Features
• VCC = 2.7 to 5.5 V
• All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
• All OUTPUTS VO (Max) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High impedance state during power up and power down
• Power off disables OUTPUTS, permitting live insertion
• High output current ±24 mA (@VCC = 3.0 to 5.5 V)

Description : OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

DESCRIPTION
The U74AC244 is a OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS. It is organized as two 4-bit BUFFERS/DRIVERS WITH separate output-enable ( OE ) inputs. When OE is high, the Y OUTPUTS are in a high-impedance state, and the OUTPUTS neither load nor drive the bus lines. When OE is low, the device passes noninverted data from the A inputs to the Y OUTPUTS

FEATURES
* Wide supply voltage range from 2V to 6V
* Max tpd of 7 ns from A to Y at 5V
* Low power consumption, ICC = 4 μA (Max.) at 5.5V
* ±24 mA output driver at 5.5V

Renesas
Renesas Electronics
Description : OCTAL Buffers / Line Drivers WITH 3–state OUTPUTS

Description
The HD74LVCZ244A has eight line drivers WITH three state OUTPUTS in a 20 pin package. This device is a noninverting buffer and has two active low enables (1G and 2G). Each enable independently controls four buffers.

Features
• VCC = 2.7 to 5.5 V
• All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
• All OUTPUTS VO (Max) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High impedance state during power up and power down
• Power off disables OUTPUTS, permitting live insertion
• High output current ±24 mA (@VCC = 3.0 to 5.5 V)

Part Name(s) : HD74LVC2244A
Hitachi
Hitachi -> Renesas Electronics
Description : OCTAL Buffers / Line Drivers WITH 3–state OUTPUTS

Description
The HD74LVC2244A has eight line drivers WITH three state OUTPUTS in a 20 pin package. This device is a noninverting buffer and has two active low enables (1G and 2G). Each enable independently controls four buffers.

Features
• VCC = 1.65 to 5.5 V
• All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
• All OUTPUTS VO (Max) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High output current ±12 mA (@VCC = 3.0 to 5.5 V)
• All OUTPUTS have equivalent 26 Ω series resistors, so no external resistors are required

Renesas
Renesas Electronics
Description : OCTAL Buffers / Line Drivers WITH 3–state OUTPUTS

Description
The HD74LVC2244A has eight line drivers WITH three state OUTPUTS in a 20 pin package. This device is a noninverting buffer and has two active low enables (1G and 2G). Each enable independently controls four buffers.

Features
• VCC = 1.65 to 5.5 V
• All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
• All OUTPUTS VO (Max) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High output current ±12 mA (@VCC = 3.0 to 5.5 V)
• All OUTPUTS have equivalent 26 Ω series resistors, so no external resistors are required

Part Name(s) : HD74LVCZ240A
Hitachi
Hitachi -> Renesas Electronics
Description : OCTAL Buffers / Line Drivers WITH 3–state OUTPUTS

Description
The HD74LVCZ240A has eight inverter drivers WITH three state OUTPUTS in a 20 pin package. This device is a inverting buffer and has two active low enables (1G and 2G). Each enable independently controls four buffers.
When VCC is between 0 and 1.5 V, the device is in the high impedance state during power up or power down.
Low voltage and high speed operation is suitable at battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation.

Features
• VCC = 2.7 to 5.5 V
• All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
• All OUTPUTS VO (Max) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High impedance state during power up and power down
• Power off disables OUTPUTS, permitting live insertion
• High output current ±24 mA (@VCC = 3.0 to 5.5 V)

Renesas
Renesas Electronics
Description : OCTAL Buffers / Line Drivers WITH 3–state OUTPUTS

Description
The HD74LVCZ240A has eight inverter drivers WITH three state OUTPUTS in a 20 pin package. This device is an inverting buffer and has two active low enables (1G and 2G). Each enable independently controls four buffers.
When VCC is between 0 and 1.5 V, the device is in the high impedance state during power up or power down.
Low voltage and high-speed operation is suitable at battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation.

Features
• VCC = 2.7 to 5.5 V
• All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
• All OUTPUTS VO (Max) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High impedance state during power up and power down
• Power off disables OUTPUTS, permitting live insertion
• High output current ±24 mA (@VCC = 3.0 to 5.5 V)

Part Name(s) : HD74LVC240A
Hitachi
Hitachi -> Renesas Electronics
Description : OCTAL Buffers / Line Drivers WITH 3-STATE OUTPUTS

Description
The HD74LVC240A has eight inverter drivers WITH three state OUTPUTS in a 20 pin package. This device is a inverting buffer and has two active low enables (1G and 2G). Each enable independently controls four buffers. Low voltage and high speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation.

Features
• VCC = 2.0 V to 5.5 V
• All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
• All OUTPUTS VOUT (Max.) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High output current ±24 mA (@VCC = 3.0 V to 5.5 V)

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