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SN74AS109D on a board, in 3D

SN74AS109D

Texas Instruments

0ns 0℃~+70℃ 10.5ns@5V,50pF 105MHz 17mA 2 20mA 2mA 4.5V~5.5V 5.5ns 74AS Series Asynchronous JK-Type Rising Edge Set and Reset - Flip Flops

Extended
DatasheetJLCPCBLCSCti/SN74AS109D
Category
Flip Flops
Pins
5

Overview

The SN74AS109D is a flip Flop made by Texas Instruments with 16 pins. 0ns 0℃~+70℃ 10.5ns@5V,50pF 105MHz 17mA 2 20mA 2mA 4.5V~5.5V 5.5ns 74AS Series Asynchronous JK-Type Rising Edge Set and Reset - Flip Flops.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74F109DG4, from EasyEDA) and its footprint (EasyEDA_Cloud:SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL-1, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3827135).

Symbol

VCC162CLR#152J142K#132CLK122PRE#112Q102Q#9GND81Q#71Q61PRE#51CLK41K#31J21CLR#1
EasyEDA_Cloud:SN74F109DG4From EasyEDA

Footprint

12345678910111213141516
EasyEDA_Cloud:SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL-1From EasyEDA

Parameters

15
Clock Frequency
105MHz
Current - Output High(IOH)
2mA
Current - Output Low(IOL)
20mA
Function
Set and Reset
Hold Time
0ns
Number of Elements
2
Operating Temperature
0℃~+70℃
Propagation Delay
10.5ns@5V,50pF
Quiescent Current
17mA
Series
74AS Series
Setup Time
5.5ns
Synchronous/Asynchronous
Asynchronous
Trigger Type
Rising Edge
Type
JK-Type
Voltage - Supply
4.5V~5.5V

Order codes

1

Pinout

16
The pins of the SN74AS109D
PinNameType
11CLR#Unspecified
21JUnspecified
31K#Unspecified
41CLKUnspecified
51PRE#Unspecified
61QUnspecified
71Q#Unspecified
8GNDUnspecified
92Q#Unspecified
102QUnspecified
112PRE#Unspecified
122CLKUnspecified
132K#Unspecified
142JUnspecified
152CLR#Unspecified
16VCCUnspecified

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Questions

Is there a KiCad symbol and footprint for the SN74AS109D?

Yes. The symbol is EasyEDA_Cloud:SN74F109DG4 and the footprint EasyEDA_Cloud:SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL-1, both drawn on this page. PCBKit places them on a board for you when you design with it.

Where is the SN74AS109D datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the SN74AS109D?

JLCPCB lists it as part C3827135, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74AS109D?

Parts like it in the library: the SN74HCS74D by Texas Instruments, the SN74HCS74PW by Texas Instruments, the SN74HCS74QDRQ1 by Texas Instruments and the SN74AS109AD by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8