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74F545

Features: • High impedance NPN base inputs for reduced loading (70mA in High and Low states) output• 8-bit bidirectional data flow reduces system package count• 3-State inputs/outputs for interfacing with bus oriented systems• 24mA and 64mA bus drive capability on A and B p...

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SeekIC No. : 004249798 Detail

74F545: Features: • High impedance NPN base inputs for reduced loading (70mA in High and Low states) output• 8-bit bidirectional data flow reduces system package count• 3-State inputs/outp...

74F545 Data Sheet

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Part Number:
74F545
Supply Ability:
5000

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

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Upload time: 2024/5/31

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Product Details

Description



Features:

• High impedance NPN base inputs for reduced loading (70mA in High and Low states) output
• 8-bit bidirectional data flow reduces system package count
• 3-State inputs/outputs for interfacing with bus oriented systems
• 24mA and 64mA bus drive capability on A and B ports, respectively
• Transmit/Receive and Output Enable simplify control logic


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 +5.0
mA
VOUT Voltage applied to output in high output state
0.5 to+5.5
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
°C
Tstg Storage temperature range
65 to +150
°C



Description

The 74F545 is an 8-bit, 3-State, high speed transceiver. It provides bidirectional drive for the bus-oriented microprocessor and digital communications systems. Straight through bidirectional transceivers are featured, with 24mA bus drive capability on the A ports and 64mA bus drive capability on the B ports. One input,

Transmit/Receive (T/R) of the 74F545 determines the direction of logic signals through the bidirectional transceiver. Transmit enables data from A ports to B ports; Receive enables data from B ports to A ports. The Output Enable input disables both A and B ports by placing them in a 3-State condition. The 74F545 performs the same function as the 74F245, the only difference being package pin assignment




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