2 layers100 × 100 mm
74LCX245M
STMicroelectronicsExtended
SOIC-20-300mil Specialty Logic ROHS
- Part id
- st/74LCX245M
- Category
- Specialty Logic
- Package
- SOIC-20-300mil
- Pins
- 20
- In stock
- 0 at JLCPCB (C6021)
- Used on
- 6 open-source boards
Overview
The 74LCX245M is a specialty Logic made by STMicroelectronics in a SOIC-20-300mil package with 20 pins. SOIC-20-300mil Specialty Logic ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC245, from KiCad's library) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C6021). 6 open-source boards in 5 repositories on GitHub use it.
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | A->B | Input |
| 2 | A0 | Tri-state |
| 3 | A1 | Tri-state |
| 4 | A2 | Tri-state |
| 5 | A3 | Tri-state |
| 6 | A4 | Tri-state |
| 7 | A5 | Tri-state |
| 8 | A6 | Tri-state |
| 9 | A7 | Tri-state |
| 10 | GND | Power in |
| 11 | B7 | Tri-state |
| 12 | B6 | Tri-state |
| 13 | B5 | Tri-state |
| 14 | B4 | Tri-state |
| 15 | B3 | Tri-state |
| 16 | B2 | Tri-state |
| 17 | B1 | Tri-state |
| 18 | B0 | Tri-state |
| 19 | CE | Input |
| 20 | VCC | Power in |
Open-source boards using it
6- 2 layers160 × 100 mm
PIAD-18bits
lnls-sirius/SPIxCONV
This project consists of an 18-bit analog input (ADC) and output (DAC) within a range of 20 V (± 10 V) and 32 digital pins that can be either as inputs or outputs.
178 parts1MIT - 2 layers124.5 × 87.5 mm
S1VirtualFloppy
bml3mk5/L3S1VirtualFloppy
Virtual Floppy Card for HITACHI Basic Master Level3 / MB-S1
71 parts - 4 layers295 × 285 mm
/GX700-PWB/Ksys573.kicad_pcb.jpg?size=s&soon)
Ksys573
NaokiS28/Konami-System-573-Documentation
Schematics and pinout information for the Konami System 573
126 parts16 - 2 layers175 × 80 mm
VideoEncoder
stonedDiscord/Automatenplatinen
Reverse engineerte Hardware aus deutschen Spielautomaten.
47 parts5BSD-2-Clause - 2 layers110 × 100 mm
/PIAD-18bits.kicad_pcb.jpg?size=s&soon)
PIAD-18bits
lnls-sirius/SPIxCONV
This project consists of an 18-bit analog input (ADC) and output (DAC) within a range of 20 V (± 10 V) and 32 digital pins that can be either as inputs or outputs.
24 parts1MIT
Parts like it
8
74FCT240ATSO8
SOIC-20-300milSOIC-20-300mil Specialty Logic ROHSRenesas ElectronicsSpecialty LogicDM74LS240WMX
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SOIC-20-300milSOIC-20-300mil Specialty Logic ROHSMOTOROLASpecialty Logic74HC245D653
SOIC-20SOIC-20-300mil Specialty Logic ROHSNXP SemiconductorsSpecialty Logic74ACT1284SC
SOIC-20-40℃~+85℃ 4.5V~5.5V 7 SOIC-20 Specialty Logic ROHSonsemiSpecialty Logic74ACT573SCX
SOIC-20-300milSOIC-20-300mil Specialty Logic ROHSonsemiSpecialty Logic74F382SC
SOIC-200℃~+70℃ 4 4.5V~5.5V ALU SOIC-20 Specialty Logic ROHSonsemiSpecialty Logic74F574SCX
SOIC-20-300milSOIC-20-300mil Specialty Logic ROHSonsemiSpecialty Logic
Questions
Is there a KiCad symbol and footprint for the 74LCX245M?
Yes. The symbol is 74xx:74HC245 and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74LCX245M?
SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.
Where can I order the 74LCX245M?
JLCPCB lists it as part C6021, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74LCX245M?
Parts like it in the library: the 74FCT240ATSO8 by Renesas Electronics, the DM74LS240WMX by Fairchild Semicon, the MC74LS273DWR2 by MOTOROLA and the 74HC245D653 by NXP Semiconductors. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the 74LCX245M?
6 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.