Overview
The SN74LS90D is a counters, Divider made by Texas Instruments in a SOIC-14 package with 14 pins. 0℃~+70℃ 1 16ns 4.75V~5.25V 42MHz 45mW Asynchronous Divide-by-10 Falling Edge SOIC-14 Counters, Dividers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74HC90N(LX), from EasyEDA) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. 16 are in stock at JLCPCB (part C1848241).
Symbol
Footprint
Parameters
13- Count Rate
- 42MHz
- Direction
- Up Counter
- Features
- Reset function
- Logic Type
- Divide-by-10
- Number of Elements
- 1
- Operating Temperature
- 0℃~+70℃
- Power Dissipation
- 45mW
- Propagation Delay
- 16ns
- Reset
- Asynchronous
- Reset Style
- Asynchronous
- Series
- 74LS
- Trigger Type
- Falling Edge
- Voltage - Supply
- 4.75V~5.25V
Order codes
3- SN74LS90DLCSC C1547968
- SN74LS90DRLCSC C1848241
- SN74LS90DRG4LCSC C2675487
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | CKB | Unspecified |
| 2 | R0(1) | Unspecified |
| 3 | R0(2) | Unspecified |
| 4 | NC | Unspecified |
| 5 | VCC | Unspecified |
| 6 | R9(1) | Unspecified |
| 7 | R9(2) | Unspecified |
| 8 | QC | Unspecified |
| 9 | QB | Unspecified |
| 10 | GND | Unspecified |
| 11 | QD | Unspecified |
| 12 | QA | Unspecified |
| 13 | NC | Unspecified |
| 14 | CKA | Unspecified |
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Is there a KiCad symbol and footprint for the SN74LS90D?
Yes. The symbol is EasyEDA_Cloud:SN74HC90N(LX) and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS90D?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the SN74LS90D datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS90D?
JLCPCB lists it as part C1848241, with 16 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS90D?
Parts like it in the library: the 74HC393D by Nexperia, the CD4024BM96 by Texas Instruments, the MC74HC393AD by onsemi and the 74HC393D-Q100J by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
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