
Overview
The SN74LS377NS is a flip Flop made by Texas Instruments with 20 pins. -55℃~+125℃ 1 20ns 30MHz 32ns@5V,50pF 4.5V~5.5V 400uA 4mA 5ns 74LS 8 Complementary type D-Type Enable Rising Edge - Flip Flops.
PCBKit's library has its KiCad symbol (74xx:74LS377, from KiCad's library) and its footprint (EasyEDA_Cloud:SOP-20_L12.6-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C5901038).
Symbol
Footprint
Parameters
15- Clock Frequency
- 30MHz
- Current - Output High(IOH)
- 400uA
- Current - Output Low(IOL)
- 4mA
- Function
- Enable
- Hold Time
- 5ns
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- -55℃~+125℃
- Output Type
- Complementary type
- Propagation Delay
- 32ns@5V,50pF
- Series
- 74LS
- Setup Time
- 20ns
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- SN74LS377NSLCSC C5901038
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | E | Input |
| 2 | Q0 | Output |
| 3 | D0 | Input |
| 4 | D1 | Input |
| 5 | Q1 | Output |
| 6 | Q2 | Output |
| 7 | D2 | Input |
| 8 | D3 | Input |
| 9 | Q3 | Output |
| 10 | GND | Power in |
| 11 | CP | Input |
| 12 | Q4 | Output |
| 13 | D4 | Input |
| 14 | D5 | Input |
| 15 | Q5 | Output |
| 16 | Q6 | Output |
| 17 | D6 | Input |
| 18 | D7 | Input |
| 19 | Q7 | Output |
| 20 | VCC | Power in |
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Is there a KiCad symbol and footprint for the SN74LS377NS?
Yes. The symbol is 74xx:74LS377 and the footprint EasyEDA_Cloud:SOP-20_L12.6-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the SN74LS377NS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS377NS?
JLCPCB lists it as part C5901038, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS377NS?
Parts like it in the library: the 74HC273D by Nexperia, the 74HC76S by GR, the AIP74HC574SA20.TR by Wuxi I-core Elec and the CD4027BE by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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