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HT45F4N on a board, in 3D

HT45F4N

Holtek Semicon

SSOP-28-150mil Microcontrollers (MCU/MPU/SOC) ROHS

Extended
DatasheetJLCPCBLCSCholtek-semicon/HT45F4N
Category
Microcontrollers (MCU, MPU, SOC)
Package
SSOP-28-150mil
Pins
28

Overview

The HT45F4N is a microcontroller made by Holtek Semicon in a SSOP-28-150mil package with 28 pins. SSOP-28-150mil Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:HT45F4N, from EasyEDA) and its footprint (EasyEDA_Cloud:SSOP-28_L9.9-W3.9-P0.64-LS6.0-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2930565).

Symbol

PB0/TP0_0/TP1_01PA4/[INT2]/TP0_12PA3/[INT1]/TCK13PA5/INT0/TCK04PD0/AN8/D0+5PD1/AN9/D0-6PD2/AN10/D1+7PD3/AN11/D1-8PD4/AN12/D2+9PD5/AN13/D2-10PA7/INT2/TP1_111PA6/INT1/TCK312PA2/[INT0]/TCK213PA1/AN1/VREF14PA0/TP3_1/AN015PC0/OUVP00/AN516PC1/OUVP01/AN617PC2/OUVP02/AN718PC3/OCP0019PC4/OCP0120PC5/OCP1021PC6/OCP1122VSS/IOVSS/AVSS23VDD/IOVDD/AVDD24PB2/OUT1H/[OUT0H]25PB1/OUT1L/[OUT0L]26PB3/OUT0H27PB4/OUT0L28
EasyEDA_Cloud:HT45F4NFrom EasyEDA

Footprint

12345678910111213141516171819202122232425262728
EasyEDA_Cloud:SSOP-28_L9.9-W3.9-P0.64-LS6.0-BLFrom EasyEDA

Order codes

1

Pinout

28
The pins of the HT45F4N
PinNameType
1PB0/TP0_0/TP1_0Unspecified
2PA4/[INT2]/TP0_1Unspecified
3PA3/[INT1]/TCK1Unspecified
4PA5/INT0/TCK0Unspecified
5PD0/AN8/D0+Unspecified
6PD1/AN9/D0-Unspecified
7PD2/AN10/D1+Unspecified
8PD3/AN11/D1-Unspecified
9PD4/AN12/D2+Unspecified
10PD5/AN13/D2-Unspecified
11PA7/INT2/TP1_1Unspecified
12PA6/INT1/TCK3Unspecified
13PA2/[INT0]/TCK2Unspecified
14PA1/AN1/VREFUnspecified
15PA0/TP3_1/AN0Unspecified
16PC0/OUVP00/AN5Unspecified
17PC1/OUVP01/AN6Unspecified
18PC2/OUVP02/AN7Unspecified
19PC3/OCP00Unspecified
20PC4/OCP01Unspecified
21PC5/OCP10Unspecified
22PC6/OCP11Unspecified
23VSS/IOVSS/AVSSUnspecified
24VDD/IOVDD/AVDDUnspecified
25PB2/OUT1H/[OUT0H]Unspecified
26PB1/OUT1L/[OUT0L]Unspecified
27PB3/OUT0HUnspecified
28PB4/OUT0LUnspecified

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A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/holtek-semicon/HT45F4N" title="HT45F4N in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/holtek-semicon/HT45F4N.jpg" alt="HT45F4N" width="1200" height="900">
A picture that opens the part, for a README
[![HT45F4N](https://pcbkit.io/embed/parts/holtek-semicon/HT45F4N.jpg?size=s)](https://pcbkit.io/parts/holtek-semicon/HT45F4N)

Questions

Is there a KiCad symbol and footprint for the HT45F4N?

Yes. The symbol is EasyEDA_Cloud:HT45F4N and the footprint EasyEDA_Cloud:SSOP-28_L9.9-W3.9-P0.64-LS6.0-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the HT45F4N?

SSOP-28-150mil, with 28 pins. Its footprint is drawn on this page.

Where is the HT45F4N datasheet?

Holtek Semicon publishes it: the Datasheet link on this page opens it.

Where can I order the HT45F4N?

JLCPCB lists it as part C2930565, with 0 in stock; the sellers' links on this page open their listings.

What can replace the HT45F4N?

Parts like it in the library: the HT66F0185 by Holtek Semicon, the HT66F3185 by Holtek Semicon, the HT66F0195 by Holtek Semicon and the HT66F3195 by Holtek Semicon. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

7