Texas Instruments SN74LS640N Buffers & Drivers 4.75V~5.25V 0°C~70°C TA 20Pins
SN74LS640N
2502-520-SN74LS640N
20-DIP (0.300, 7.62mm)
RoHS Compliant
Number of Ports: 2Ports,Output Type: 3-State,Logic Type: Transceiver, Inverting,Terminal Position: DUAL
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SN74LS640N Tech Specifications
Texas Instruments SN74LS640N technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.
| Product Attribute | Attribute Value | |
|---|---|---|
| Category | Logic - Buffers, Drivers, Receivers, Transceivers | |
| Manufacturer | Texas Instruments | |
| Lifecycle Status | ACTIVE (Last Updated: 3 days ago) | |
| Factory Lead Time | 6 Weeks | |
| Mount | Through Hole | |
| Mounting Type | Through Hole | |
| Package / Case | 20-DIP (0.300, 7.62mm) | |
| Number of Pins | 20Pins | |
| Weight | 1.1991g | |
| Number of Elements | 1 Element | |
| Operating Temperature | 0°C~70°C TA | |
| Packaging | Tube | |
| Series | 74LS | |
| JESD-609 Code | e4 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 20Terminations | |
| Termination | Through Hole | |
| ECCN Code | EAR99 | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Additional Feature | WITH DIRECTION CONTROL | |
| Voltage - Supply | 4.75V~5.25V | |
| Terminal Position | DUAL | |
| Peak Reflow Temperature (Cel) | 260 | |
| Number of Functions | 1Function | |
| Supply Voltage | 5V | |
| Terminal Pitch | 2.54mm | |
| Base Part Number | 74LS640 | |
| Pin Count | 20 |
| Product Attribute | Attribute Value | |
|---|---|---|
| Output Type | 3-State | |
| Max Output Current | 24mA | |
| Operating Supply Voltage | 5V | |
| Polarity | Inverting | |
| Power Supplies | 5V | |
| Number of Channels | 8Channels | |
| Load Capacitance | 45pF | |
| Number of Ports | 2Ports | |
| Output Current | 24mA | |
| Number of Bits | 8Bits | |
| Propagation Delay | 15 ns | |
| Quiescent Current | 64mA | |
| Turn On Delay Time | 40 ns | |
| Family | LS | |
| Logic Function | Inverting, Transceiver | |
| Direction | Bidirectional | |
| Logic Type | Transceiver, Inverting | |
| Max I(ol) | 0.024 A | |
| Control Type | COMMON CONTROL | |
| Schmitt Trigger | No | |
| Power Supply Current-Max (ICC) | 0.09mA | |
| Translation | N/A | |
| Height | 5.08mm | |
| Length | 24.33mm | |
| Width | 6.35mm | |
| Thickness | 4.57mm | |
| REACH SVHC | No SVHC | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
SN74LS640N Documents
Download datasheets and manufacturer documentation for SN74LS640N
Datasheets
SN74LS640N-Texas-Instruments-datasheet-7618268.pdf SN74LS640N-Texas-Instruments-datasheet-85390777.pdf SN74LS640N-Texas-Instruments-datasheet-10692507.pdf SN74LS640N-Texas-Instruments-datasheet-14144652.pdf SN74LS640N-Texas-Instruments-datasheet-10253678.pdf SN74LS640N-Texas-Instruments-datasheet-70368.pdf SN74LS640N-Texas-Instruments-datasheet-38157911.pdfPCN Design/Specification
Material Set 30/Mar/2017 Copper Wire Base Alternative 23/Apr/2014
Others include "SN74L" parts
The following parts include 'SN74L'
| Part # | Manufacturer | Package | Availability |
|---|---|---|---|
| SN74LS640N | Texas Instruments | 20-DIP (0.300, 7.62mm) | 1520 |
| SN74LS640NG4 | Texas Instruments | 20-DIP (0.300, 7.62mm) | |
| SN74LS640NSR | Texas Instruments | 20-SOIC (0.209, 5.30mm Width) | 193 |
| SN74LS640NE4 | Texas Instruments | PDIP |
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| Part # | Manufacturer | Description | Package | RoHS | |
|---|---|---|---|---|---|
 | SN74LS640N | Texas Instruments | IC TRANSCVR INVERT 5.25V 20DIP | 20-DIP (0.300, 7.62mm) | |
| SN74LS645N | Texas Instruments | IC TXRX NON-INVERT 5.25V 20DIP | 20-DIP (0.300, 7.62mm) | |
| SN74LS245N | Texas Instruments | IC TXRX NON-INVERT 5.25V 20DIP | 20-DIP (0.300, 7.62mm) | |
| SN74LS244N | Texas Instruments | Octal Buffers And Line Drivers With 3-State Outputs 20-PDIP 0 to 70 | 20-DIP (0.300, 7.62mm) |
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Shipping | Delivery Period | Packages will be arranged for delivery within 1-2 days from the date of all items arrive at our warehouse. In stock items can be shipped out within 24 hours. Delivery Time depends on Shipping Method and Delivery Destinations. |
Shipping Rate | Shipping rate is based on size, weight, destination of the package. MOST offers competitive shipping options through top carriers DHL, FedEx and UPS. We also offer shipping account services for customers who wish to be billed directly for shipping. | |
Shipping Methods | | |
Shipping Tracking | Once the components are delivered, the tracking number will be notified via email immediately. The tracking number also could be found in order history. | |
Returning | Returning | All returns should be made within 60 days of date of invoice and be accompanied by the original invoice number, certificate of guarantee card, parts picture and a brief explanation or test report of the reason for the return. Returns will not be accepted after 60 days. Returned merchandise must be in original packaging and in resalable condition. Parts returned due to customer error at time of quote or sale will not be accepted. Please contact customer service for a return authorization before return shipment. |
Ordering | How to Buy | Online and offline orders both are available. Please find the order process guidance from below link: If you have any operation issue, please feel free to contact with our customer service. |
Payment | TT in advance (bank transfer), Western Union, Credit card, PayPal. Customer is responsible for shipping fee, bank charges, duties and taxes. |
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SN74LS640N Comments
109 reviews
2022-07-21 00:00:00
There was room for improvement, but the overall experience was satisfactory.
2022-07-14 00:00:00
I had some minor problems buying components on the Jak, but the overall experience was good.
2022-07-13 00:00:00
I trust jakelectronics to provide me with high-quality components every time.
2022-06-15 00:00:00
The delivery speed is also very fast, and it always arrives on time.
2022-05-13 00:00:00
Good quality product.
2022-04-14 00:00:00
Simply great! Many thanks!
2022-04-09 00:00:00
I couldn't be happier with the kit. It was easy to assemble, including soldering the EEPROM, and works as intended.
2022-04-09 00:00:00
Pricing that fits my budget without compromising on quality, a win-win situation.
2022-04-08 00:00:00
For the price I am very happy.
2022-03-31 00:00:00
when you need to connect this kind of port, this product makes it very easy.