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Part Number: 74AC399SC
Description: The AC/ACT399 is the logical equivalent of a quad 2-input multiplexer feeding into four edge-triggered...
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74AC399SC
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DataSheet
General Description
74AC399SC General Description
The AC/ACT399 is the logical equivalent 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-flop on the rising edge of the clock.
74AC399SC Maximum Ratings
Supply Voltage (VCC).................. −0.5V to +7.0V
DC Input Diode Current (IIK)
VI = −0.5V ......................................... −20 mA
VI = VCC + 0.5V................................. +20 mA
DC Input Voltage (VI) .........−0.5V to VCC + 0.5V
DC Output Diode Current (IOK)
VO = −0.5V........................................ −20 mA
VO = VCC + 0.5V +20 mA
DC Output Voltage (VO) ......−0.5V to VCC + 0.5V
DC Output Source
or Sink Current (IO)............................ ±50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND)............... ±50 mA
Storage Temperature (TSTG)... −65°C to +150°C
Junction Temperature (TJ)
PDIP ......................................................140°C
DC Input Diode Current (IIK)
VI = −0.5V ......................................... −20 mA
VI = VCC + 0.5V................................. +20 mA
DC Input Voltage (VI) .........−0.5V to VCC + 0.5V
DC Output Diode Current (IOK)
VO = −0.5V........................................ −20 mA
VO = VCC + 0.5V +20 mA
DC Output Voltage (VO) ......−0.5V to VCC + 0.5V
DC Output Source
or Sink Current (IO)............................ ±50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND)............... ±50 mA
Storage Temperature (TSTG)... −65°C to +150°C
Junction Temperature (TJ)
PDIP ......................................................140°C
74AC399SC Features
ICC reduced by 50%
Select inputs from two data sources
Fully positive edge-triggered operation
Outputs source/sink 24 mA
AC/ACT399 has TTL-compatible inputs
Select inputs from two data sources
Fully positive edge-triggered operation
Outputs source/sink 24 mA
AC/ACT399 has TTL-compatible inputs
74AC399SC Connection Diagram
74AC399SC
PDF/DataSheet Download
- Datasheet: 74AC399SC
- File Size: 89952 KB
- Manufacturer: FAIRCHILD [Fairchild Semiconductor]
- Click here to Download
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74AC399SC Relative Products
74AC399PC
The 74AC399PC is the logical equivalent 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-flop on the rising edge of the clo...
74AC399
The 74AC399 is the logical equivalent 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-flop on the rising edge of the clock.
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74AC377SJ
The 74AC377SJ has eight edge-triggered, D-type flip-flops with individual D inputs and Q outputs. The common buffered Clock (CP) input loads all flip-flops simultaneously, when the Clock Enable (CE) is LOW.The register of the 74AC377SJis fully edge-triggered...
74AC377SCX
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74AC377SC
The 74AC377SChas eight edge-triggered, D-type flip-flops with individual D inputs and Q outputs. The common buffered Clock (CP) input loads all flip-flops simultaneously, when the Clock Enable (CE) is LOW.The register of the 74AC377SCis fully edge-triggered....
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