74LS399 Quad 2-Port Register IC (74399) DIP-14 Package
74LS399 Quad 2-Port Register IC (74399) DIP-14 Package
The 74LS399 are Quad 2-Port Registers. They are the logical equivalent of a quad 2-input multiplexer followed by a quad 4-bit edge-triggered register. A Common Select input selects between two 4-bit in put ports (data sources). The selected data is transferred to the output register on the LOW-to-HI
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- Select From Two Data Sources
- Fully Positive Edge-Triggered Operation
- Input Clamp Diodes Limit High-Speed Termination Effects
- Supply Voltage Min : 4.75V
- Supply Voltage Max : 5.25V
- Operating Ambient Temperature Range Max : 70°C
- Output Current — High Max : -0.4mA
- Output Current — Low Max : 8.0mA
- Power Supply Current : 13mA
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The 74LS399 are Quad 2-Port Registers. They are the logical equivalent of a quad 2-input multiplexer followed by a quad 4-bit edge-triggered register. A Common Select input selects between two 4-bit in put ports (data sources). The selected data is transferred to the output register on the LOW-to-HIGH transition of the Clock input. The 74LS398 features Q and Q inputs, while the 74LS399 has only Q outputs. Features :- Select From Two Data Sources Fully Positive Edge-Triggered Operation Input Clamp Diodes Limit High-Speed Termination Effects Specifications :- Supply Voltage Min : 4.75V Supply Voltage Max : 5.25V Operating Ambient Temperature Range Max : 70°C Output Current — High Max : -0.4mA Output Current — Low Max : 8.0mA Power Supply Current : 13mA Package Includes :- 1 X 74LS399 Quad 2-Port Register IC (74399) DIP-14 Package
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74LS399 Quad 2-Port Register IC (74399) DIP-14 Package