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SN75557FN on a board, in 3D

SN75557FN

Texas Instruments

0℃~+70℃ 10.8V~15V - Interface - Specialized

Extended
DatasheetJLCPCBLCSCti/SN75557FN
Category
Interface Specialized
Pins
44

Overview

The SN75557FN is an interface Specialized made by Texas Instruments with 44 pins. 0℃~+70℃ 10.8V~15V - Interface - Specialized.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN75557FN, from EasyEDA) and its footprint (EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-LS17.5-T, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3212495).

Symbol

Q161Q172Q183Q194Q205Q216NC7Q228Q239Q2410Q2511Q2612Q2713Q2814Q2915Q3016Q3117Q3218NC19SERIAL_OUT20ENABLE21CLOCK22SUBSTRATE_COMMON23VCC24STROBE25DATA_IN26NC27Q128Q229Q330Q431Q532Q633Q734Q835Q936Q1037Q1138NC39NC40Q1241Q1342Q1443Q1544
EasyEDA_Cloud:SN75557FNFrom EasyEDA

Footprint

1234567891011121314151617181920212223242526272829303132333435363738394041424344
EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-LS17.5-TFrom EasyEDA

Parameters

3
Operating Temperature
0℃~+70℃
Supply Current
250uA
Voltage - Supply
10.8V~15V

Order codes

1

Pinout

44
The pins of the SN75557FN
PinNameType
1Q16Unspecified
2Q17Unspecified
3Q18Unspecified
4Q19Unspecified
5Q20Unspecified
6Q21Unspecified
7NCUnspecified
8Q22Unspecified
9Q23Unspecified
10Q24Unspecified
11Q25Unspecified
12Q26Unspecified
13Q27Unspecified
14Q28Unspecified
15Q29Unspecified
16Q30Unspecified
17Q31Unspecified
18Q32Unspecified
19NCUnspecified
20SERIAL_OUTUnspecified
21ENABLEUnspecified
22CLOCKUnspecified
23SUBSTRATE_COMMONUnspecified
24VCCUnspecified
25STROBEUnspecified
26DATA_INUnspecified
27NCUnspecified
28Q1Unspecified
29Q2Unspecified
30Q3Unspecified
31Q4Unspecified
32Q5Unspecified
33Q6Unspecified
34Q7Unspecified
35Q8Unspecified
36Q9Unspecified
37Q10Unspecified
38Q11Unspecified
39NCUnspecified
40NCUnspecified
41Q12Unspecified
42Q13Unspecified
43Q14Unspecified
44Q15Unspecified

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Questions

Is there a KiCad symbol and footprint for the SN75557FN?

Yes. The symbol is EasyEDA_Cloud:SN75557FN and the footprint EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-LS17.5-T, both drawn on this page. PCBKit places them on a board for you when you design with it.

Where is the SN75557FN datasheet?

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

Where can I order the SN75557FN?

JLCPCB lists it as part C3212495, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN75557FN?

Parts like it in the library: the XP71055 by XINLUDA, the Z53C8003VSG by Zilog, the AM79C30AJC/DTR by AMD and the AM9517A-5JCTR by AMD. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8