NEW FREESCALE MC68HC705P6ACP DIP-28 Microcontroller USA STOCK HC05 Microcontroller IC 8-Bit 2.1MHz 4.5KB (4.5K x 8) OTP 28-PDIP TYPE DESCRIPTION SELECT Category Integrated Circuits (ICs) Embedded - Microcontrollers Mfr NXP USA Inc. Series HC05 Package Tube Core Processor HC05 Core Size 8-Bit Speed 2.1MHz Connectivity SIO Peripherals POR, WDT Program Memory Size 4.5KB (4.5K x 8) Program Memory Type OTP EEPROM Size - RAM Size 176 x 8 Voltage - Supply (Vcc/Vdd) 3V ~ 5.5V Data Converters A/D 4x8b Oscillator Type Internal Operating Temperature -40C ~ 85C (TA) Mounting Type Through Hole Package / Case 28-DIP (0.600"", 15.24mm) Supplier Device Package 28-PDIP Number of I/O 21 Base Product Number MC68 Please Note: Freescale and NXP have changed something in the programming software that makes it look like this chip is already programmed. Please if you buy, try programming, and using the chip, it will work. If it doesn't work, contact me, and we will send a replacement, or your money will be refunded with no hassels.