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74HC191S on a board, in 3D

74HC191S

GR

Extended
JLCPCBLCSCgr/74HC191S
Category
Counters, Dividers
Package
SOP-16
Pins
16

Overview

The 74HC191S is a counters, Divider made by GR in a SOP-16 package with 16 pins.

PCBKit's library has its KiCad symbol (74xx:74LS191, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 2,491 are in stock at JLCPCB (part C22397520). 4 open-source boards in 2 repositories on GitHub use it.

Symbol

P11Q12Q03Ce4D/U5Q26Q37GND8P39P210Pl11Tc12Rc13Cp14P015VCC16
74xx:74LS191From KiCad's library

Footprint

12345678910111213141516
Package_SO:SOIC-16_3.9x9.9mm_P1.27mmFrom KiCad's library

Parameters

12
Direction
Down Counter
Features
Multi-mode counting
Logic Type
Binary Counter
Number of Elements
1
Operating Temperature
0℃~+70℃
Propagation Delay
38ns
Reset
Synchronous
Resolution
4
Series
74HC
Timing
Synchronous
Trigger Type
Rising Edge
Voltage - Supply
2V~6V

Order codes

1

Pinout

16
The pins of the 74HC191S
PinNameType
1P1Input
2Q1Output
3Q0Output
4CeInput
5D/UInput
6Q2Output
7Q3Output
8GNDPower in
9P3Input
10P2Input
11PlInput
12TcOutput
13RcOutput
14CpInput
15P0Input
16VCCPower in

Open-source boards using it

All 4
  • 2 layers93 × 58.4 mmV0b, the printed circuit board in 3D

    V0b

    smaldragon/BNUY-ROM

    A famicom discrete logic mapper

    39 parts3Unlicense
  • 2 layers78.7 × 70.5 mmSerialReceiver, the printed circuit board in 3D

    SerialReceiver

    zledtriac/74hc-uart

    An asynchronous serial transmitter and receiver with 74hcxxx ICs

    46 parts1MIT
  • 2 layers93 × 56.4 mmV0a, the printed circuit board in 3D

    V0a

    smaldragon/BNUY-ROM

    A famicom discrete logic mapper

    34 parts3Unlicense
  • 2 layers93 × 63.8 mmV0d-512-proto, the printed circuit board in 3D

    V0d-512-proto

    smaldragon/BNUY-ROM

    A famicom discrete logic mapper

    32 parts3Unlicense

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Questions

Is there a KiCad symbol and footprint for the 74HC191S?

Yes. The symbol is 74xx:74LS191 and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74HC191S?

SOP-16, with 16 pins. Its footprint is drawn on this page.

Where can I order the 74HC191S?

JLCPCB lists it as part C22397520, with 2,491 in stock; the sellers' links on this page open their listings.

What can replace the 74HC191S?

Parts like it in the library: the CD4017BM96 by Texas Instruments, the HEF4060BT by Nexperia, the MC14060BD by onsemi and the CD4060BDTR(XBLW) by XBLW. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the 74HC191S?

4 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8