Skip to the content
PCBKitNew board
AT27C256R-55PC, in 3D

AT27C256R-55PC

Microchip Technology

0℃~+70℃ 256Kbit 4.5V~5.5V Electronic signature function PDIP-28 Non-Volatile Memory (ROM)

Extended
DatasheetJLCPCBLCSCmicrochip/AT27C256R-55PC
Category
Non Volatile Memory (ROM)
Package
PDIP-28
Pins
5

Overview

The AT27C256R-55PC is a non Volatile Memory made by Microchip Technology in a PDIP-28 package with 28 pins. 0℃~+70℃ 256Kbit 4.5V~5.5V Electronic signature function PDIP-28 Non-Volatile Memory (ROM).

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AT27C256R-90PC, from EasyEDA) and its footprint (Package_DIP:DIP-28_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19555875).

Symbol

VPP1/CE20/OE22O011O112O213O315O416O517O618O719GND14A1427A1326A122A1123A1021A924A825A73A64A55A46A37A28A19A010VCC28
EasyEDA_Cloud:AT27C256R-90PCFrom EasyEDA

Footprint

12345678910111213141516171819202122232425262728
Package_DIP:DIP-28_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Parameters

4
Features
Electronic signature function
Memory Size
256Kbit
Operating Temperature
0℃~+70℃
Voltage - Supply
4.5V~5.5V

Order codes

1

Pinout

28
The pins of the AT27C256R-55PC
PinNameType
1VPPUnspecified
2A12Unspecified
3A7Unspecified
4A6Unspecified
5A5Unspecified
6A4Unspecified
7A3Unspecified
8A2Unspecified
9A1Unspecified
10A0Unspecified
11O0Unspecified
12O1Unspecified
13O2Unspecified
14GNDUnspecified
15O3Unspecified
16O4Unspecified
17O5Unspecified
18O6Unspecified
19O7Unspecified
20/CEUnspecified
21A10Unspecified
22/OEUnspecified
23A11Unspecified
24A9Unspecified
25A8Unspecified
26A13Unspecified
27A14Unspecified
28VCCUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/microchip/AT27C256R-55PC" title="AT27C256R-55PC 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/microchip/AT27C256R-55PC.jpg" alt="AT27C256R-55PC" width="1200" height="900">
A picture that opens the part, for a README
[![AT27C256R-55PC](https://pcbkit.io/embed/parts/microchip/AT27C256R-55PC.jpg?size=s)](https://pcbkit.io/parts/microchip/AT27C256R-55PC)

Questions

Is there a KiCad symbol and footprint for the AT27C256R-55PC?

Yes. The symbol is EasyEDA_Cloud:AT27C256R-90PC and the footprint Package_DIP:DIP-28_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AT27C256R-55PC?

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

Where is the AT27C256R-55PC datasheet?

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

Where can I order the AT27C256R-55PC?

JLCPCB lists it as part C19555875, with 0 in stock; the sellers' links on this page open their listings.

What can replace the AT27C256R-55PC?

Parts like it in the library: the AT27C256R-70PU by Microchip Technology, the AT27C256R-12PA by Microchip Technology, the AT27C256R-12PC by Microchip Technology and the AT27C256R-12PI by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8