MC68HC705J1ACP vs MC68HC705C9ACP vs MC68HC705KJ1CP

Same silicon die in different packages — compare I/O count, footprint, and form factor to find the best fit for your PCB design.

Parameter MC68HC705J1ACP Current MC68HC705C9ACP MC68HC705KJ1CP
Core Processor HC05 HC05 HC05
Speed 4MHz 2.1MHz 4MHz
Program Memory Size 1.2KB (1.2K x 8) 16KB (16K x 8) 1.2KB (1.2K x 8)
RAM Size 64 x 8 352 x 8 64 x 8
Number of I/O 14 24 10
Package / Case 20-DIP (0.300\ 40-DIP (0.600\ 16-DIP (0.300\
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Peripherals POR, WDT POR, WDT POR, WDT
Product Status Obsolete Obsolete Obsolete
Price $2.78 $10.59 $1.83
Availability In Stock In Stock In Stock

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