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MFG:FAIRCHILD  Package Cooled:SOP-16  D/C:03+  

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Part Number: 74F399

 

MFG: FAIRCHILD

Package Cooled: SOP-16

D/C: 03+

Description: The 74F398 and 74F399 are the logical equivalents of a quad 2-input multiplexer feeding into four edge-triggered flip-f...


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74F399 General Description


The 74F398 and 74F399 are the logical equivalents of a quad 2-input multiplexer feeding into four edge-triggered flip-flops. A common Select input determines which of the two 4-bit words is accepted. The selected data enters the flip-flops on the rising edge of the clock. The 74F399 is the 16-pin version of the 74F398, with only the Q outputs of the flip-flops available.

74F399 Maximum Ratings

Storage Temperature                                    -65°C to +150°C
Ambient Temperature under Bias                  -55°C to +125°C
Junction Temperature under Bias                  -55°C to +175°C
Plastic                                                            -55°C to +150°C
VCC Pin Potential to
Ground Pin                                                           -0.5V to +7.0V
Input Voltage (Note 2)                                         -0.5V to +7.0V
Input Current (Note 2)                                   -30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with VCC e 0V)
Standard Output                                                    -0.5V to VCC
TRI-STATEÉ Output                                              -0.5V to +5.5V
Current Applied to Output
in LOW State (Max)                              twice the rated IOL (mA)
Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied.
Note 2: Either voltage limit or current limit is sufficient to protect inputs.

74F399 Features

`Select inputs from two data sources
` Fully positive edge-triggered operation
` Both true and complement outputs-74F398

74F399 Connection Diagram

74F399  Connection Diagram

74F399 datasheet

74F399
PDF/DataSheet Download

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    The 74F398 and 74F399 are the logical equivalents of a quad 2-input multiplexer feeding into four edge-triggered flip-flops. A common Select input determines which of the two 4-bit words is accepted. The selected data enters the flip-flops on the rising edge...

  • 74F395

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