
Overview
The AT27C400-90PC is a non Volatile Memory made by Microchip Technology in a PDIP-40 package with 40 pins. 0℃~+70℃ 4.5V~5.5V 4Mbit Built-in timer write operation OTP EPROM PDIP-40 Non-Volatile Memory (ROM).
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AT27C400-90PC, from EasyEDA) and its footprint (Package_DIP:DIP-40_W25.4mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19472431).
Symbol
Footprint
Parameters
5- Features
- Built-in timer write operation
- Memory Format
- OTP EPROM
- Memory Size
- 4Mbit
- Operating Temperature
- 0℃~+70℃
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- AT27C400-90PCLCSC C19472431
Pinout
40| Pin | Name | Type |
|---|---|---|
| 1 | A17 | Unspecified |
| 2 | A7 | Unspecified |
| 3 | A6 | Unspecified |
| 4 | A5 | Unspecified |
| 5 | A4 | Unspecified |
| 6 | A3 | Unspecified |
| 7 | A2 | Unspecified |
| 8 | A1 | Unspecified |
| 9 | A0 | Unspecified |
| 10 | CE# | Unspecified |
| 11 | GND | Unspecified |
| 12 | OE# | Unspecified |
| 13 | O0 | Unspecified |
| 14 | O8 | Unspecified |
| 15 | O1 | Unspecified |
| 16 | O9 | Unspecified |
| 17 | O2 | Unspecified |
| 18 | O10 | Unspecified |
| 19 | O3 | Unspecified |
| 20 | O11 | Unspecified |
| 21 | VCC | Unspecified |
| 22 | O4 | Unspecified |
| 23 | O12 | Unspecified |
| 24 | O5 | Unspecified |
| 25 | O13 | Unspecified |
| 26 | O6 | Unspecified |
| 27 | O14 | Unspecified |
| 28 | O7 | Unspecified |
| 29 | O15/A-1 | Unspecified |
| 30 | GND | Unspecified |
| 31 | BYTE#/VPP | Unspecified |
| 32 | A16 | Unspecified |
| 33 | A15 | Unspecified |
| 34 | A14 | Unspecified |
| 35 | A13 | Unspecified |
| 36 | A12 | Unspecified |
| 37 | A11 | Unspecified |
| 38 | A10 | Unspecified |
| 39 | A9 | Unspecified |
| 40 | A8 | Unspecified |
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Is there a KiCad symbol and footprint for the AT27C400-90PC?
Yes. The symbol is EasyEDA_Cloud:AT27C400-90PC and the footprint Package_DIP:DIP-40_W25.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AT27C400-90PC?
PDIP-40, with 40 pins. Its footprint is drawn on this page.
Where is the AT27C400-90PC datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the AT27C400-90PC?
JLCPCB lists it as part C19472431, with 0 in stock; the sellers' links on this page open their listings.
What can replace the AT27C400-90PC?
Parts like it in the library: the AT27C1024-15PC by Microchip Technology, the AT27C1024-70PI by Microchip Technology, the AT27C1024-90PI by Microchip Technology and the AT27C2048-12PC by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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