Motorola 68HC05L series MCU

[Neon_WA]

Been trying to work the suffix on this 68HC05 MCU produced in the first half of 1992, but have been unable to decipher

I have found out the 68HC05L series incorporated circuitry to drive LCD displays
There is reference to the 68HC05L series in a Motorola application note dated 1991 (printed 1993), but earliest datasheet I can find is from 1994
Normal part numbering appears to include a processor speed

Thou this is marked as a sample, I am guessing it is a customer sample as the part number starts with MC, not XC or PC

So trying to work out what the LB at the end would signify

[gshv]

I have databook from 1988. It has a bunch of MC68HC05 variations, including only one with "L" suffix, MC68HC05L5. Unfortunately, I have only volume 1 of the book, and the L5 datasheet is in the book 2

The last one or two letters in the part number are package name. So, it's either MV68HC05LL in package "B", or MC68HC05L in package "LB".

Gennadiy

[Neon_WA]

looking at other part numbers in this family.. most have this sort of format for part number

MC68HC05L5CFN, MC68HC05LJ5P (P dip) , MC68HC05LM1FT.......

was thinking low power but i found 68HLC05L is low power
68HC05LJ5 is a enhanced 68HC05L5 so guessing 2nd L is some enhancement & B for package
but no speed identifier

guessing it was for some particular system and wasn't released as a standard part
so unlikely to find any real info