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74AC109PC on a board, in 3D

74AC109PC

onsemi

-40℃~+85℃ 1 10ns@5V,50pF 175MHz 2 24mA 24mA 2V~6V 2uA 4.5pF 74AC Series Complementary JK-Type Set and Reset PDIP-16 Flip Flops ROHS

Extended
DatasheetJLCPCBLCSConsemi/74AC109PC
Category
Flip Flops
Package
PDIP-16
Pins
5

Overview

The 74AC109PC is a flip Flop made by onsemi in a PDIP-16 package with 16 pins. -40℃~+85℃ 1 10ns@5V,50pF 175MHz 2 24mA 24mA 2V~6V 2uA 4.5pF 74AC Series Complementary JK-Type Set and Reset PDIP-16 Flip Flops ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS109, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3826873). 4 open-source boards in 2 repositories on GitHub use it.

Symbol

R1J2K3C4S5Q6Q7
74xx:74LS109From KiCad's library

Footprint

12345678910111213141516
Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Parameters

14
Clock Frequency
175MHz
Current - Output High(IOH)
24mA
Current - Output Low(IOL)
24mA
Function
Set and Reset
Input Capacitance
4.5pF
Number of Bits per Element
1
Number of Elements
2
Operating Temperature
-40℃~+85℃
Output Type
Complementary
Propagation Delay
10ns@5V,50pF
Quiescent Current
2uA
Series
74AC Series
Type
JK-Type
Voltage - Supply
2V~6V

Order codes

1

Pinout

16
The pins of the 74AC109PC
PinNameType
1RInput
2JInput
3KInput
4CInput
5SInput
6QOutput
7QOutput
8GNDPower in
9QOutput
10QOutput
11SInput
12CInput
13KInput
14JInput
15RInput
16VCCPower in

Open-source boards using it

All 4
  • 4 layers140 × 110 mm6502fb, the printed circuit board in 3D

    6502fb

    sky-dragn/6502fb

    A framebuffer for the 6502, implemented in discrete logic

    114 parts1
  • 4 layers406.4 × 254 mmExtmemory, the printed circuit board in 3D

    Extmemory

    mrieker/pdp8i

    113 parts
  • 4 layers406.4 × 254 mmProcseq, the printed circuit board in 3D

    Procseq

    mrieker/pdp8i

    121 parts

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Questions

Is there a KiCad symbol and footprint for the 74AC109PC?

Yes. The symbol is 74xx:74LS109 and the footprint Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74AC109PC?

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

Where is the 74AC109PC datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the 74AC109PC?

JLCPCB lists it as part C3826873, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74AC109PC?

Parts like it in the library: the MC74ACT175N by MOTOROLA, the SN74LVC1G175DCK by Texas Instruments, the SN74LVC1G175DBV by Texas Instruments and the NC7SZ175P6X by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the 74AC109PC?

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

Parts like it

8