Silicon Prawn

User Tools

Site Tools

Trace:
azonenberg:microchip:pic12ce518

Differences

This shows you the differences between two versions of the page.


Previous revision
—azonenberg:microchip:pic12ce518 [2025/08/04 21:24] (current) – external edit 127.0.0.1
Line 1: Line 1:
 +{{tag>collection_az vendor_microchip type_processor type_processor/microcontroller type_processor/microcontroller/pic type_processor/microcontroller/pic/8bit year_1996 tech_800nm foundry_unknown}}
  
 +8-bit PIC made on 700nm UV EPROM process but in non-windowed (OTP) package. Contains a MCU die (512 12-bit EPROM words for firmware plus 25 bytes RAM) and a 16-byte 24LC00 I2C EEPROM die for data storage. 
 +
 +====== Package ======
 +
 +{{:azonenberg:microchip:dscf4968_cropped.jpg?300|}}
 +
 +8-pin PDIP. Markings:
 +
 +    12CE518
 +    04P (E3 logo) 12U
 +    (Microchip logo) 0717
 +
 +====== 24LC00 die ======
 +
 +TODO: Better stitch
 +
 +Looks like 2-metal CMOS at around the 800nm node.
 +
 +Die markings:
 +
 +Center left
 +    (Microchip logo) MICROCHIP
 +    (M) 1996 74AK2
 +    
 +Upper right
 +    74AK2
 +    
 +Bottom center mask rev markings, partially obscured by dirt
 +    ?? ?? 30 40 50 10
 +    ?? ?? A1 A1 A1 A1
 +    
 +{{:azonenberg:microchip:pic12ce518_eeprom_bf_neo40x_small.jpg?600|}}
 +
 +====== MCU die ======
 +
 +{{:azonenberg:microchip:pic12ce518_bf_neo10x_4k.jpg?600|}}
 +
 +{{:azonenberg:microchip:pic12ce518_01_bf_neo40x_annotated.jpg?600|}}
 +
 +{{:azonenberg:microchip:pic12ce518_02_bf_neo40x_annotated.jpg?600|}}
 +
 +{{:azonenberg:microchip:pic12ce518_03_bf_neo40x_annotated.jpg?600|}}