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Part Name(s) : HD74LS244
Hitachi
Hitachi -> 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)

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)

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 / Line Receivers (inverted three-state Outputs)

Octal Buffers / Line Drivers / Line Receivers (inverted three-state Outputs)

Description : Octal BUFFERS AND LINE Drivers with 3-STATE Outputs

Octal BUFFERS AND LINE Drivers with 3-STATE Outputs

The SN54/74LS540 and SN54/74LS541 are Octal buffers and line Drivers with the same functions as the LS240 and LS241, but with pinouts on the opposite side of the package.
These device types are designed to be used as memory address Drivers, clock Drivers and bus-oriented transmitters/receivers. These devices are especially useful as output ports for the microprocessors, allowing ease of layout and greater PC board density.

• Hysteresis at Inputs to Improve Noise Margin
• PNP Inputs Reduce Loading
• 3-State Outputs Drive Bus Lines
• Inputs and Outputs Opposite Side of Package, Allowing Easier Interface to Microprocessors
• Input Clamp Diodes Limit High-Speed Termination Effects

Part Name(s) : 74LS240 HD74LS240P
Hitachi
Hitachi -> Renesas Electronics
Description : Octal Buffers / Line Drivers / Line Receivers

Octal Buffers / Line Drivers / Line Receivers (inverted three-state Outputs)

Part Name(s) : 74LS241 HD74LS241
Hitachi
Hitachi -> Renesas Electronics
Description : Octal Buffers/Line Drivers/Line Receivers

Octal Buffers/Line Drivers/Line Receivers (non inverted three-state Outputs)

Description : Octal Buffer/Line Driver with TRI-STATE® Outputs

General Description
The ’FCT244 is an Octal buffer and line driver with TRI-STATE Outputs designed to be employed as a memory and address driver, clock driver, or bus-oriented transmitter/receiver.

Features
■ Non-inverting buffers
■ Output sink capability of 48 mA, source capability of 12 mA
TRI-STATE Outputs drive lines or buffer memory address registers
■ TTL input and output level compatible
■ CMOS power consumption
■ Standard Microcircuit Drawing (SMD) 5962-8763001

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)

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)

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