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74LS299PC on a board, in 3D

74LS299PC

Texas Instruments

0℃~+70℃ 2.6mA 24mA 35MHz 35ns@5V,15pF 4.75V~5.25V 74LS 8 Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift Serial-to-Serial or Parallel Tri-State DIP-20 Shift Registers ROHS

Extended
DatasheetJLCPCBLCSCti/74LS299PC
Category
Shift Registers
Package
DIP-20
Pins
20

Overview

The 74LS299PC is a shift Register made by Texas Instruments in a DIP-20 package with 20 pins. 0℃~+70℃ 2.6mA 24mA 35MHz 35ns@5V,15pF 4.75V~5.25V 74LS 8 Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift Serial-to-Serial or Parallel Tri-State DIP-20 Shift Registers ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS299, from KiCad's library) and its footprint (Package_DIP:DIP-20_W7.62mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3301276).

Symbol

S01OE12OE23IO64IO45IO26IO07Q08Mr9GND10Ds011Cp12IO113IO314IO515IO716Q717Ds718S119VCC20
74xx:74LS299From KiCad's library

Footprint

1234567891011121314151617181920
Package_DIP:DIP-20_W7.62mmFrom KiCad's library

Parameters

11
Clock Frequency
35MHz
Current - Output High(IOH)
2.6mA
Current - Output Low(IOL)
24mA
Features
Asynchronous clear function；Output enable；Asynchronous parallel load function；Supports forward and reverse shift
Function
Serial-to-Serial or Parallel
Operating Temperature
0℃~+70℃
Output Type
Tri-State
Propagation Delay
35ns@5V,15pF
Resolution
8
Series
74LS
Voltage - Supply
4.75V~5.25V

Order codes

1

Pinout

20
The pins of the 74LS299PC
PinNameType
1S0Input
2OE1Input
3OE2Input
4IO6Tri-state
5IO4Tri-state
6IO2Tri-state
7IO0Tri-state
8Q0Output
9MrInput
10GNDPower in
11Ds0Input
12CpInput
13IO1Tri-state
14IO3Tri-state
15IO5Tri-state
16IO7Tri-state
17Q7Output
18Ds7Input
19S1Input
20VCCPower in

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Questions

Is there a KiCad symbol and footprint for the 74LS299PC?

Yes. The symbol is 74xx:74LS299 and the footprint Package_DIP:DIP-20_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74LS299PC?

DIP-20, with 20 pins. Its footprint is drawn on this page.

Where is the 74LS299PC datasheet?

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

Where can I order the 74LS299PC?

JLCPCB lists it as part C3301276, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74LS299PC?

Parts like it in the library: the 74HC165D by Nexperia, the MC74HC595AD by onsemi, the 74HC595D(BJ) by Toshiba and the MC74HC595ADT by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8