74F620

Features: • High-impedance NPN base inputs for reduced loading (70mA in High and Low states)• Ideal for applications which require high output drive and minimal bus loading• Octal bidirectional bus interface• 3-State buffer outputs sink 64mA and source 15mA• 74F620, i...

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74F620 Picture
SeekIC No. : 004249811 Detail

74F620: Features: • High-impedance NPN base inputs for reduced loading (70mA in High and Low states)• Ideal for applications which require high output drive and minimal bus loading• Octal ...

floor Price/Ceiling Price

Part Number:
74F620
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/30

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Product Details

Description



Features:

• High-impedance NPN base inputs for reduced loading (70mA in High and Low states)
• Ideal for applications which require high output drive and minimal bus loading
• Octal bidirectional bus interface
• 3-State buffer outputs sink 64mA and source 15mA
• 74F620, inverting
• 74F623, non-inverting



Pinout

  Connection Diagram


Specifications

SYMBOL PARAMETER
RATING
UNIT
VCC Supply voltage
0.5 to +7.0
V
VIN Input voltage
0.5 to +7.0
V
IIN Input current
30 to +5
mA
VOUT Voltage applied to output in High output state
0.5 to +VCC
V
IOUT Current applied to output in Low output state A0A7
48
mA
B0B7
128
mA
Tamb Operating free-air temperature range
0 to +70
Tstg Storage temperature range
65 to +150



Description

The 74F620 is an octal transceiver featuring inverting 3-State bus-compatible outputs in both send and receive directions. The outputs are capable of sinking 64mA and sourcing up to 15mA, providing very good capacitive drive characteristics. The 74F623 is a non-inverting version of the 74F620.

These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control function implementation allows for maximum flexibility in timing.

The 74F620 allow data transmission from the A bus to the B bus or from the B bus to the A bus depending upon the logic levels at the Enable inputs (OEBA and OEAB). The Enable inputs can be used to disable the device so that the buses are effectively isolated.

The dual-enable configuration gives the 74F620 and 74F623 the capability to store data by the simultaneous enabling of OEBA and OEAB. Each output reinforces its input in this transceiver configuration. Thus, when both control inputs are enabled and all other data sources to the two sets of the bus lines are at high impedance, both sets of bus lines (16 in all) will remain in their last states.




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