(Hong Kong)
Product Summary
The DM74LS245N is a TRI-STATE Octal Bus Transceiver. The DM74LS245N is designed for asynchronous two-way communication between data buses. The control function implementation minimizes external timing requirements. The DM74LS245N allows data transmission from the A bus to the B bus or from the B bus to the A bus depending upon the logic level at the direction control (DIR) input. The enable input (G) can be used to disable the device so that the buses are effectively isolated.
Parametrics
DM74LS245N absolute maximum ratings: (1)Supply Voltage: 7V; (2)Input Voltage DIR or G: 7V; (3)A or B: 5.5V; (4)Operating Free Air Temperature Range: 0℃ to +70℃; (5)Storage Temperature Range: -65℃ to +150℃.
Features
DM74LS245N features: (1)Bi-Directional bus transceiver in a high-density 20-pin package; (2)TRI-STATE outputs drive bus lines directly; (3)PNP inputs reduce DC loading on bus lines; (4)Hysteresis at bus inputs improve noise margins; (5)Typical propagation delay times, port-to-port 8 ns; (6)Typical enable/disable times 17 ns; (7)Alternate Military/Aerospace device (54LS245) is available. Contact a National Semiconductor Sales Office/Distributor for specifications.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||
|---|---|---|---|---|---|---|---|---|---|---|
 |
 DM74LS245N |
Fairchild Semiconductor |
Bus Transceivers Oct 3-STATE Bus Tran |
Data Sheet |
Negotiable |
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| Image | Part No | Mfg | Description | |
Pricing (USD) |
Quantity | ||||
 |
DM7400 |
Other |
|
Data Sheet |
Negotiable |
|
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 |
DM7400N |
Fairchild Semiconductor |
IC GATE NAND QUAD 2INP 14-DIP |
Data Sheet |
Negotiable |
|
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|
DM7401 |
Other |
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Data Sheet |
Negotiable |
|
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|
DM7402 |
Other |
|
Data Sheet |
Negotiable |
|
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 |
DM7402N |
|
IC GATE NOR QUAD 2INP 14-DIP |
Data Sheet |
Negotiable |
|
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|
DM7403 |
Other |
|
Data Sheet |
Negotiable |
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