
Overview
The AT27C256R-45TC is a non Volatile Memory made by Microchip Technology in a TSOP-28 package with 28 pins. TSOP-28 Non-Volatile Memory (ROM).
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AT27C256R-70TI, from EasyEDA) and its footprint (EasyEDA_Cloud:TSOP-28_L11.8-W8.0-P0.55-LS13.4-L, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C19393298).
Symbol
Footprint
Parameters
2- Memory Size
- 256Kbit
- Operating Temperature
- 0℃~+70℃
Order codes
1- AT27C256R-45TCLCSC C19393298
Pinout
28| Pin | Name | Type |
|---|---|---|
| 1 | VPP | Unspecified |
| 2 | A12 | Unspecified |
| 3 | A7 | Unspecified |
| 4 | A6 | Unspecified |
| 5 | A5 | Unspecified |
| 6 | A4 | Unspecified |
| 7 | A3 | Unspecified |
| 8 | A2 | Unspecified |
| 9 | A1 | Unspecified |
| 10 | A0 | Unspecified |
| 11 | O0 | Unspecified |
| 12 | O1 | Unspecified |
| 13 | O2 | Unspecified |
| 14 | GND | Unspecified |
| 15 | O3 | Unspecified |
| 16 | O4 | Unspecified |
| 17 | O5 | Unspecified |
| 18 | O6 | Unspecified |
| 19 | O7 | Unspecified |
| 20 | CE# | Unspecified |
| 21 | A10 | Unspecified |
| 22 | OE# | Unspecified |
| 23 | A11 | Unspecified |
| 24 | A9 | Unspecified |
| 25 | A8 | Unspecified |
| 26 | A13 | Unspecified |
| 27 | A14 | Unspecified |
| 28 | VCC | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/AT27C256R-45TC" title="AT27C256R-45TC in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/AT27C256R-45TC.jpg" alt="AT27C256R-45TC" width="1200" height="900">[](https://pcbkit.io/parts/microchip/AT27C256R-45TC)Questions
Is there a KiCad symbol and footprint for the AT27C256R-45TC?
Yes. The symbol is EasyEDA_Cloud:AT27C256R-70TI and the footprint EasyEDA_Cloud:TSOP-28_L11.8-W8.0-P0.55-LS13.4-L, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AT27C256R-45TC?
TSOP-28, with 28 pins. Its footprint is drawn on this page.
Where is the AT27C256R-45TC datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the AT27C256R-45TC?
JLCPCB lists it as part C19393298, with 0 in stock; the sellers' links on this page open their listings.
What can replace the AT27C256R-45TC?
Parts like it in the library: the AT27BV256-12TI by Microchip Technology, the AT27BV256-70TC by Microchip Technology, the AT27BV256-90TC by Microchip Technology and the AT27C256R-12TC by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8AT27BV256-12TI
TSOP-28Electronic signature function TSOP-28 Non-Volatile Memory (ROM)Microchip TechnologyNon-Volatile Memory (ROM)AT27BV256-70TC
TSOP-28Electronic signature function TSOP-28 Non-Volatile Memory (ROM)Microchip TechnologyNon-Volatile Memory (ROM)AT27BV256-90TC
TSOP-28TSOP-28 Non-Volatile Memory (ROM)Microchip TechnologyNon-Volatile Memory (ROM)AT27C256R-12TC
TSOP-280℃~+70℃ 256Kbit 4.5V~5.5V Built-in timer write operation TSOP-28 Non-Volatile Memory (ROM)Microchip TechnologyNon-Volatile Memory (ROM)AT27C256R-12TI
TSOP-28TSOP-28 Non-Volatile Memory (ROM)Microchip TechnologyNon-Volatile Memory (ROM)AT27C256R-15TC
TSOP-280℃~+70℃ 256Kbit 4.5V~5.5V Built-in timer write operation OTP EPROM TSOP-28 Non-Volatile Memory (ROM)Microchip TechnologyNon-Volatile Memory (ROM)AT27C256R-15TI
TSOP-28TSOP-28 Non-Volatile Memory (ROM)Microchip TechnologyNon-Volatile Memory (ROM)AT27C256R-45TI
TSOP-28TSOP-28 Non-Volatile Memory (ROM)Microchip TechnologyNon-Volatile Memory (ROM)