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74AC245SC on a board, in 3D

74AC245SC

onsemi

-40℃~+85℃ 1 24mA 24mA 2V~6V 3.5ns@5V,50pF 40uA 74AC 8 Bidirectional Output enable Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSConsemi/74AC245SC
Category
Buffers, Drivers, Receivers, Transceivers
Package
SOIC-20-300mil
Pins
20

Overview

The 74AC245SC is a buffers, Drivers, Receivers, Transceiver made by onsemi in a SOIC-20-300mil package with 20 pins. -40℃~+85℃ 1 24mA 24mA 2V~6V 3.5ns@5V,50pF 40uA 74AC 8 Bidirectional Output enable Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers 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 C906678). 3 open-source boards in 3 repositories on GitHub use it.

Symbol

A->B1A02A13A24A35A46A57A68A79GND10B711B612B513B414B315B216B117B018CE19VCC20
74xx:74HC245From KiCad's library

Footprint

1234567891011121314151617181920
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mmFrom KiCad's library

Parameters

12
Channel Type
Bidirectional
Current - Output High(IOH)
24mA
Current - Output Low(IOL)
24mA
Features
Output enable
Logic Family
74AC
Number of Bits per Element
8
Number of Elements
1
Operating Temperature
-40℃~+85℃
Propagation Delay
3.5ns@5V,50pF
Quiescent Current
40uA
Voltage - Supply
2V~6V
output type
Tri-State

Order codes

1

Pinout

20
The pins of the 74AC245SC
PinNameType
1A->BInput
2A0Tri-state
3A1Tri-state
4A2Tri-state
5A3Tri-state
6A4Tri-state
7A5Tri-state
8A6Tri-state
9A7Tri-state
10GNDPower in
11B7Tri-state
12B6Tri-state
13B5Tri-state
14B4Tri-state
15B3Tri-state
16B2Tri-state
17B1Tri-state
18B0Tri-state
19CEInput
20VCCPower in

Open-source boards using it

All 3
  • 4 layers169.7 × 99.8 mm65816-computer, the printed circuit board in 3D

    65816-computer

    mike42/65816-computer

    A 65C816-based homebrew computer (prototype)

    97 parts37
  • 4 layers160 × 111.8 mmVga, the printed circuit board in 3D

    Vga

    svpetry/Mini8086

    A small 8086 computer system.

    90 parts3
  • 2 layers160 × 100 mmCpu new, the printed circuit board in 3D

    Cpu new

    Noah1989/loopmicro

    An 8-bit microcomputer for the 21st century

    61 parts2MIT

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A picture that opens the part, for a README
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Questions

Is there a KiCad symbol and footprint for the 74AC245SC?

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 74AC245SC?

SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.

Where is the 74AC245SC datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the 74AC245SC?

JLCPCB lists it as part C906678, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74AC245SC?

Parts like it in the library: the 74HC245D by Nexperia, the 74HCT244D by Nexperia, the 74HCT245D by Nexperia and the SN74HC244DW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the 74AC245SC?

3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8