Parameters |
Lifecycle Status |
ACTIVE (Last Updated: 4 days ago) |
Mount |
Through Hole |
Package / Case |
PDIP |
Number of Pins |
20 |
Weight |
1.1991g |
Packaging |
Rail/Tube |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Moisture Sensitivity Level (MSL) |
1 |
Number of Terminations |
20 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Max Operating Temperature |
70°C |
Min Operating Temperature |
0°C |
Additional Feature |
WITH DIRECTION CONTROL |
Subcategory |
Bus Driver/Transceivers |
Technology |
TTL |
Terminal Position |
DUAL |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
5V |
Terminal Pitch |
2.54mm |
Pin Count |
20 |
Operating Supply Voltage |
5V |
Number of Elements |
1 |
Polarity |
Non-Inverting |
Power Supplies |
5V |
Temperature Grade |
COMMERCIAL |
Number of Channels |
8 |
Max Supply Voltage |
5.25V |
Min Supply Voltage |
4.75V |
Load Capacitance |
45pF |
Number of Ports |
2 |
Number of Bits |
8 |
Propagation Delay |
15 ns |
Turn On Delay Time |
40 ns |
Family |
LS |
Logic Function |
Inverting, Transceiver |
Direction |
Bidirectional |
Output Characteristics |
3-STATE |
Logic IC Type |
BUS TRANSCEIVER |
Max I(ol) |
0.024 A |
High Level Output Current |
24mA |
Low Level Output Current |
15mA |
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 |
Radiation Hardening |
No |
RoHS Status |
RoHS Compliant |
Lead Free |
Lead Free |
SN74LS645NE4 Overview
Logical driver uses a neat PDIP package. Rail/Tube external packaging. All of the 1 elements are put into use. 20 terminations with different functions. Buffer IC reuqires a supply voltage of 5V. Electronic parts from the LS family are used in this part. 20 pins are set with the electric part. Buffer IC is suitable for Through Hole applications. Logical driver has 20 pins. Enhanced with 2 ports. Specifically, digital transciever is a kind of Bus Driver/Transceivers. The digital buffer starts up under COMMON CONTROL control technology. It is recommended to use a 5V power supply. To run the part safely and stably in a circuit, 5V recommends users apply 5V on the logical driver. 8 bits are included within the electrical component. Logical driver features WITH DIRECTION CONTROL to better serve the need. 8 channels for high quality communication. Voltage buffer is capable of operating under temperature as low as 0°C. Digital buffer should operate with ambient temperature no higher than 70°C. Buffer driver outputs 15mA to its low level. In high level output mode, the electronic parts may conduct 24mA of current. Voltage used to run voltage buffer should be 4.75V at least. In regard to the maximum supply voltage, buffer driver is rated 5.25V. It is known as a BUS TRANSCEIVER logic IC.
SN74LS645NE4 Features
Bus Driver/Transceivers
WITH DIRECTION CONTROL
High Level Output: 15mA
Low Level Output: 24mA
BUS TRANSCEIVER Logic IC
SN74LS645NE4 Applications
There are a lot of Texas Instruments SN74LS645NE4 Buffers & Transceivers applications.
- Wired telephone
- Wireless access points
- Wireless HD Photography
- High-speed computer links
- Telecom and datacom networking applications
- Automation systems
- Data center
- IPTV front end
- WDM transmission
- Switching system