P87C51FB-4N,112 vs P87C51FA-4N,112

Product Attributes

Part Number P87C51FB-4N,112 P87C51FA-4N,112
Manufacturer NXP USA Inc. NXP USA Inc.
Category Embedded - Microcontrollers Embedded - Microcontrollers
P87C51FB-4N,112 P87C51FA-4N,112
Product Status Obsolete Obsolete
Core Processor 8051 8051
Core Size 8-Bit 8-Bit
Speed 16MHz 16MHz
Connectivity EBI/EMI, UART/USART EBI/EMI, UART/USART
Peripherals POR, PWM POR, PWM
Number of I/O 32 32
Program Memory Size 16KB (16K x 8) 8KB (8K x 8)
Program Memory Type OTP OTP
EEPROM Size - -
RAM Size 256 x 8 256 x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V 2.7V ~ 5.5V
Data Converters - -
Oscillator Type Internal Internal
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Through Hole Through Hole
Package / Case 40-DIP (0.600", 15.24mm) 40-DIP (0.600", 15.24mm)
Supplier Device Package 40-DIP 40-DIP