
Overview
The 74HC191DB is a counters , Divider made by Nexperia in a SSOP-16-208mil package with 16 pins. -40℃~+125℃ 1 2V~6V 39MHz Divide-by-2 Rising Edge Synchronous Up Counter、Down Counter SSOP-16-208mil Counters, Dividers ROHS.
PCBKit's library has its footprint (Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C546672).
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
14- Count Rate
- 39MHz
- Direction
- Up Counter, Down Counter
- Features
- Cascade counter, Synchronous counting, Asynchronous parallel load, Multi-mode counting
- Logic Type
- Divide-by-2
- Number of Elements
- 1
- Operating Temperature
- -40℃~+125℃
- Power Dissipation
- 500mW
- Propagation Delay
- 21ns@6V,50pF
- Reset
- Asynchronous
- Resolution
- 4
- Series
- 74HC
- Timing
- Synchronous
- Trigger Type
- Rising Edge
- Voltage - Supply
- 2V~6V
Order codes
2- 74HC191DB,112LCSC C546672
- 74HC191DB,118LCSC C546673
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Is there a KiCad symbol and footprint for the 74HC191DB?
Yes. the footprint Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74HC191DB?
SSOP-16-208mil, with 16 pins. Its footprint is drawn on this page.
Where is the 74HC191DB datasheet?
Nexperia publishes it: the Datasheet link on this page opens it.
Where can I order the 74HC191DB?
JLCPCB lists it as part C546672, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74HC191DB?
Parts like it in the library: the 74HC193DB by Nexperia, the 74HC193DB-Q100J by Nexperia, the 74HC390DB by Nexperia and the 74HC4040DB by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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