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SN74LS540DWR
Purchase
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For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.
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prices and inventories about the part.
Our sales will reply to
your request by email within 24 hours.
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(Please remember to check the spam folder if you didn't hear from us).
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are any updates.
Shipping Cost
Shipping starts at $40, but some countries will exceed $40. For
example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The
basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and
country.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery TimeOnce the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.
| Parameters | |
|---|---|
| Factory Lead Time | 6 Weeks |
| Lifecycle Status | ACTIVE (Last Updated: 5 days ago) |
| Contact Plating | Gold |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295, 7.50mm Width) |
| Number of Pins | 20 |
| Operating Temperature | 0°C~70°C TA |
| Packaging | Tape & Reel (TR) |
| Series | 74LS |
| JESD-609 Code | e4 |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| Additional Feature | WITH DUAL OUTPUT ENABLE |
| Subcategory | Bus Driver/Transceivers |
| Packing Method | TR |
| Technology | TTL |
| Voltage - Supply | 4.75V~5.25V |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Supply Voltage | 5V |
| Base Part Number | 74LS540 |
| Pin Count | 20 |
| Number of Outputs | 8 |
| Output Type | 3-State |
| Operating Supply Voltage | 5V |
| Number of Elements | 1 |
| Polarity | Inverting |
| Power Supplies | 5V |
| Number of Channels | 8 |
| Load Capacitance | 45pF |
| Number of Ports | 2 |
| Number of Bits | 8 |
| Propagation Delay | 15 ns |
| Quiescent Current | 24mA |
| Turn On Delay Time | 38 ns |
| Family | LS |
| Logic Function | Buffer, Inverter |
| Current - Output High, Low | 15mA 24mA |
| Logic Type | Buffer, Inverting |
| Max I(ol) | 0.024 A |
| Control Type | ENABLE LOW |
| Power Supply Current-Max (ICC) | 45mA |
| Count Direction | UNIDIRECTIONAL |
| Height | 2.65mm |
| Length | 12.8mm |
| Width | 7.5mm |
| Thickness | 2.35mm |
| Radiation Hardening | No |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
See Relate Datesheet