PIC16C5X
18-Lead CERDIP Windowed
Example
Example
MMMMMMMM
MMMMMMMM
AABBCDE
PIC16C54
/JW
9801 CBA
28-Lead CERDIP Skinny Windowed
MMMMMMMMMMMMMM
MMMMMMMMMMMMMM
PIC16C57
/JW
AABBCDE
9838 CCT
28-Lead CERDIP Windowed
Example
MMMMMMMMMMM
MMMMMMMMMMM
PIC16C57
/JW
AABBCDE
9838 CBA
Legend: MM...M Microchip part number information
XX...X Customer specific information*
AA
BB
C
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Facility code of the plant at which wafer is manufactured
O = Outside Vendor
C = 5” Line
S = 6” Line
H = 8” Line
D
E
Mask revision number
Assembly code of the plant or country of origin in which
part was assembled
Note: In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line thus limiting the number of available characters
for customer specific information.
*
Standard OTP marking consists of Microchip part number, year code, week code, facility code, mask
rev#, and assembly code. For OTP marking beyond this, certain price adders apply. Please check with
your Microchip Sales Office. For QTP devices, any special marking adders are included in QTP price.
1998 Microchip Technology Inc.
Preliminary
DS30453B-page 205
MICROCHIP [ MICROCHIP ]
