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AT27C256R-45RI, in 3D

AT27C256R-45RI

Microchip Technology

SOIC-28 Non-Volatile Memory (ROM)

Extended
DatasheetJLCPCBLCSCmicrochip/AT27C256R-45RI
Category
Non Volatile Memory (ROM)
Package
SOIC-28
Pins
5

Overview

The AT27C256R-45RI is a non Volatile Memory made by Microchip Technology in a SOIC-28 package with 28 pins. SOIC-28 Non-Volatile Memory (ROM).

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AT27C256R-70TI, from EasyEDA) and its footprint (Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19549690).

Symbol

CE#20VPP1O011O112O213O315O416O517O618O719OE#22GND14A1427A1326A122A1123A1021A924A825A73A64A55A46A37A28A19A010VCC28
EasyEDA_Cloud:AT27C256R-70TIFrom EasyEDA

Footprint

12345678910111213141516171819202122232425262728
Package_SO:SOIC-28W_7.5x17.9mm_P1.27mmFrom KiCad's library

Parameters

5
Features
Electronic signature function
Memory Format
OTP EPROM
Memory Size
256Kbit
Operating Temperature
-40℃~+85℃
Voltage - Supply
4.5V~5.5V

Order codes

1

Pinout

28
The pins of the AT27C256R-45RI
PinNameType
1VPPUnspecified
2A12Unspecified
3A7Unspecified
4A6Unspecified
5A5Unspecified
6A4Unspecified
7A3Unspecified
8A2Unspecified
9A1Unspecified
10A0Unspecified
11O0Unspecified
12O1Unspecified
13O2Unspecified
14GNDUnspecified
15O3Unspecified
16O4Unspecified
17O5Unspecified
18O6Unspecified
19O7Unspecified
20CE#Unspecified
21A10Unspecified
22OE#Unspecified
23A11Unspecified
24A9Unspecified
25A8Unspecified
26A13Unspecified
27A14Unspecified
28VCCUnspecified

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Questions

Is there a KiCad symbol and footprint for the AT27C256R-45RI?

Yes. The symbol is EasyEDA_Cloud:AT27C256R-70TI and the footprint Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AT27C256R-45RI?

SOIC-28, with 28 pins. Its footprint is drawn on this page.

Where is the AT27C256R-45RI datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the AT27C256R-45RI?

JLCPCB lists it as part C19549690, with 0 in stock; the sellers' links on this page open their listings.

What can replace the AT27C256R-45RI?

Parts like it in the library: the 27C256-25/SO277 by Microchip Technology, the AT27BV512-70RU by Microchip Technology, the AT27BV512-90RC by Microchip Technology and the AT27C256R-12RC by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

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