
Overview
The SN54HC191J is a counters, Divider made by Texas Instruments in a CDIP-16 package with 16 pins. -55℃~+125℃ 2V~6V 48MHz Divide-by-2 Rising Edge Synchronous Synchronous Up Counter、Down Counter CDIP-16 Counters, Dividers.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74ALS191ANG4, from EasyEDA) and its footprint (EasyEDA_Cloud:PDIP-16_L19.3-W6.4-P2.54-LS7.94-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3827790).
Symbol
Footprint
Parameters
9- Count Rate
- 48MHz
- Direction
- Down Counter;Up Counter
- Logic Type
- Divide-by-2
- Operating Temperature
- -55℃~+125℃
- Propagation Delay
- 32ns@6V,50pF
- Reset
- Synchronous
- Timing
- Synchronous
- Trigger Type
- Rising Edge
- Voltage - Supply
- 2V~6V
Order codes
1- SN54HC191JLCSC C3827790
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | B | Unspecified |
| 2 | QB | Unspecified |
| 3 | QA | Unspecified |
| 4 | CTEN# | Unspecified |
| 5 | D/U# | Unspecified |
| 6 | QC | Unspecified |
| 7 | QD | Unspecified |
| 8 | GND | Unspecified |
| 9 | D | Unspecified |
| 10 | C | Unspecified |
| 11 | LOAD# | Unspecified |
| 12 | MAX/MIN | Unspecified |
| 13 | RCO# | Unspecified |
| 14 | CLK | Unspecified |
| 15 | A | Unspecified |
| 16 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the SN54HC191J?
Yes. The symbol is EasyEDA_Cloud:SN74ALS191ANG4 and the footprint EasyEDA_Cloud:PDIP-16_L19.3-W6.4-P2.54-LS7.94-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN54HC191J?
CDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the SN54HC191J datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN54HC191J?
JLCPCB lists it as part C3827790, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN54HC191J?
Parts like it in the library: the CD40193BF3A by Texas Instruments, the CD4536BF3A by Texas Instruments, the 4518BDM by Texas Instruments and the 54ALS169B-E/883 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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