AT89C52-20AC vs AT89C52-16AA feature comparison

AT89C52-20AC Atmel Corporation

Buy Now Datasheet

AT89C52-16AA Atmel Corporation

Buy Now Datasheet
Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code QFP QFP
Package Description TQFP, TQFP44,.47SQ,32 TQFP, TQFP44,.47SQ,32
Pin Count 44 44
Reach Compliance Code unknown compliant
HTS Code 8542.31.00.01 8542.31.00.01
Has ADC NO NO
Address Bus Width 16 16
Bit Size 8 8
Boundary Scan NO
CPU Family 8051 8051
Clock Frequency-Max 24 MHz 16 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code S-PQFP-G44 S-PQFP-G44
JESD-609 Code e0 e0
Length 10 mm 10 mm
Number of I/O Lines 32 32
Number of Terminals 44 44
On Chip Program ROM Width 8 8
Operating Temperature-Max 70 °C 125 °C
Operating Temperature-Min -40 °C
PWM Channels NO NO
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code TQFP TQFP
Package Equivalence Code TQFP44,.47SQ,32 TQFP44,.47SQ,32
Package Shape SQUARE SQUARE
Package Style FLATPACK, THIN PROFILE FLATPACK, THIN PROFILE
Qualification Status Not Qualified Not Qualified
RAM (bytes) 256 256
ROM (words) 8192 8192
ROM Programmability FLASH FLASH
Seated Height-Max 1.2 mm 1.2 mm
Speed 20 MHz 16 MHz
Supply Voltage-Max 6 V 6 V
Supply Voltage-Min 5 V 4 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade COMMERCIAL AUTOMOTIVE
Terminal Finish TIN LEAD TIN LEAD
Terminal Form GULL WING GULL WING
Terminal Pitch 0.8 mm 0.8 mm
Terminal Position QUAD QUAD
Width 10 mm 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1

Compare AT89C52-20AC with alternatives

Compare AT89C52-16AA with alternatives