
Overview
The SN74LS323N is a shift Register made by Texas Instruments with 20 pins. Output enable、Asynchronous parallel load function、Supports forward and reverse shift - Shift Registers.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS323N3, from EasyEDA) and its footprint (EasyEDA_Cloud:PDIP-20_L25.4-W6.4-P2.54-LS7.6-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3301272).
Symbol
Footprint
Parameters
7- Clock Frequency
- 35MHz
- Features
- Output enable;Asynchronous parallel load function;Supports forward and reverse shift
- Output Type
- Tri-State
- Pd - Power Dissipation
- 175mW
- Propagation Delay
- 26ns@5V,15pF
- Resolution
- 8
- Series
- 74LS
Order codes
1- SN74LS323NLCSC C3301272
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | S0 | Unspecified |
| 2 | G1# | Unspecified |
| 3 | G2# | Unspecified |
| 4 | G/QG | Unspecified |
| 5 | E/QE | Unspecified |
| 6 | C/QC | Unspecified |
| 7 | A/QA | Unspecified |
| 8 | QA′ | Unspecified |
| 9 | CLR# | Unspecified |
| 10 | GND | Unspecified |
| 11 | SR | Unspecified |
| 12 | CLK | Unspecified |
| 13 | B/QB | Unspecified |
| 14 | D/QD | Unspecified |
| 15 | F/QF | Unspecified |
| 16 | H/QH | Unspecified |
| 17 | QH′ | Unspecified |
| 18 | SL | Unspecified |
| 19 | S1 | Unspecified |
| 20 | VCC | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS323N" title="SN74LS323N in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/SN74LS323N.jpg" alt="SN74LS323N" width="1200" height="900">[](https://pcbkit.io/parts/ti/SN74LS323N)Questions
Is there a KiCad symbol and footprint for the SN74LS323N?
Yes. The symbol is EasyEDA_Cloud:SN74LS323N3 and the footprint EasyEDA_Cloud:PDIP-20_L25.4-W6.4-P2.54-LS7.6-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the SN74LS323N datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS323N?
JLCPCB lists it as part C3301272, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS323N?
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
874HC165D
SO-16-40℃~+125℃ 1 28ns@6V,50pF 2V~6V 35MHz 500mW 74HC 8 Parallel or Serial to Serial SOIC-16 Shift Registers ROHSNexperiaShift RegistersMC74HC595AD
SOIC-16-55℃~+125℃ 1 24ns@6V,50pF 2V~6V 74HC 8 Serial-to-Serial or Parallel Tri-State SOIC-16 Shift Registers ROHSonsemiShift Registers74HC595D(BJ)
SOIC-16-40℃~+125℃ 1 13ns@6V,50pF 2V~6V 35MHz 74HC 8 Serial-to-Serial or Parallel Tri-State SOIC-16 Shift Registers ROHSToshibaShift RegistersMC74HC595ADT
TSSOP-16-55℃~+125℃ 1 24ns@6.0V,50pF 2V~6V 35MHz 74HC 8 Serial-to-Serial or Parallel Tri-State TSSOP-16 Shift Registers ROHSonsemiShift RegistersSN74HC165DR(LX)
SOP-16Shift RegisterslingxingicMC74HC165AD
SOIC-16-55℃~+125℃ 1 2V~6V 35MHz 38ns@6V,50pF 74HC 750mW 8 Complementary type Parallel or Serial to Serial SOIC-16 Shift Registers ROHSonsemiShift RegistersMC74HC589ADT
TSSOP-16-55℃~+125℃ 1 25ns@6V,50pF 2V~6V 35MHz 74HC 8 Parallel or Serial to Serial Tri-State TSSOP-16 Shift Registers ROHSonsemiShift RegistersSN74HC165PW(LX)
TSSOP-16-40℃~+125℃ 1 19ns@4.5V,50pF 2V~6V 35MHz 74HC 8 Parallel or Serial to Serial TSSOP-16 Shift Registers ROHSlingxingicShift Registers