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SN74AS74AD on a board, in 3D

SN74AS74AD

Texas Instruments

0℃~+70℃ 1 105MHz 16mA 2 20mA 2mA 4.5V~5.5V 74AS Series 9ns@5V,50pF Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHS

Extended
DatasheetJLCPCBLCSCti/SN74AS74AD
Category
Flip Flops
Package
SOIC-14
Pins
14

Overview

The SN74AS74AD is a flip Flop made by Texas Instruments in a SOIC-14 package with 14 pins. 0℃~+70℃ 1 105MHz 16mA 2 20mA 2mA 4.5V~5.5V 74AS Series 9ns@5V,50pF Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHS.

PCBKit's library has its KiCad symbol (74xx:74HC74, from KiCad's library) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2868641).

Symbol

R1D2C3S4Q5Q6
74xx:74HC74From KiCad's library

Footprint

1234567891011121314
Package_SO:SOIC-14_3.9x8.7mm_P1.27mmFrom KiCad's library

Parameters

14
Clock Frequency
105MHz
Current - Output High(IOH)
2mA
Current - Output Low(IOL)
20mA
Function
Positioning and resetting
Number of Bits per Element
1
Number of Elements
2
Operating Temperature
0℃~+70℃
Output Type
Complementary Type
Propagation Delay
9ns@5V,50pF
Quiescent Current
16mA
Series
74ASSeries
Trigger Type
Rising Edge
Type
D-Type
Voltage - Supply
4.5V~5.5V

Order codes

2

Pinout

14
The pins of the SN74AS74AD
PinNameType
1RInput
2DInput
3CInput
4SInput
5QOutput
6QOutput
7GNDPower in
8QOutput
9QOutput
10SInput
11CInput
12DInput
13RInput
14VCCPower in

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Questions

Is there a KiCad symbol and footprint for the SN74AS74AD?

Yes. The symbol is 74xx:74HC74 and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SN74AS74AD?

SOIC-14, with 14 pins. Its footprint is drawn on this page.

Where is the SN74AS74AD datasheet?

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

Where can I order the SN74AS74AD?

JLCPCB lists it as part C2868641, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74AS74AD?

Parts like it in the library: the SN74HCS74D by Texas Instruments, the SN74HCS74QDRQ1 by Texas Instruments, the DM74AS74M by onsemi and the DM74AS74MX by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8