Operating Temperature 0°C~70°C TA
Packaging Tube
Published 2007
Series W78
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 40
Subcategory Microcontrollers
Technology CMOS
Terminal Position DUAL
Supply Voltage 5V
Terminal Pitch 2.54mm
Frequency 40MHz
Pin Count 40
Qualification Status Not Qualified
Operating Supply Voltage 5V
Power Supplies 5V
Interface EBI/EMI, UART, USART
Memory Size 8kB
Oscillator Type Internal
Number of I/O 32
Speed 20 MHz
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 4.5V~5.5V
Core Processor 8051
Peripherals POR, WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 8KB 8K x 8
Connectivity EBI/EMI, UART/USART
Supply Current-Max 20mA
Bit Size 8
Access Time 40 μs
Number of Timers/Counters 3
ROM (words) 8192
RAM (bytes) 256