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AT89C4051-12PI

Type	Description
rohs:	RoHS
speed:	12MHz
ram size:	128 x 8
core size:	8-Bit
eeprom size:	-
part status:	Obsolete
peripherals:	Brown-out Detect/Reset, LED, POR
connectivity:	UART/USART
mounting type:	Through Hole
number of i/o:	15
core processor:	8051
package / case:	20-DIP (0.300", 7.62mm)
data converters:	-
oscillator type:	Internal
program memory size:	4KB (4K x 8)
program memory type:	FLASH
operating temperature:	-40°C ~ 85°C (TA)
supplier device package:	20-PDIP
voltage - supply (vcc/vdd):	4V ~ 6V