AT89C55-16AA
vs
AT89C55WD-33PU
feature comparison
All Stats
Differences Only
Rohs Code
No
Yes
Part Life Cycle Code
Obsolete
Active
Ihs Manufacturer
ATMEL CORP
MICROCHIP TECHNOLOGY INC
Part Package Code
QFP
Package Description
TQFP, TQFP44,.47SQ,32
0.600 INCH, GREEN, PLASTIC, MS-011AC, DIP-40
Pin Count
44
Reach Compliance Code
compliant
compliant
HTS Code
8542.31.00.01
8542.31.00.01
Has ADC
NO
NO
Address Bus Width
16
16
Bit Size
8
8
CPU Family
8051
8051
Clock Frequency-Max
16 MHz
33 MHz
DAC Channels
NO
NO
DMA Channels
NO
NO
External Data Bus Width
8
8
JESD-30 Code
S-PQFP-G44
R-PDIP-T40
JESD-609 Code
e0
Length
10 mm
52.324 mm
Number of I/O Lines
32
32
Number of Terminals
44
40
On Chip Program ROM Width
8
8
Operating Temperature-Max
125 °C
85 °C
Operating Temperature-Min
-40 °C
-40 °C
PWM Channels
NO
NO
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
TQFP
DIP
Package Equivalence Code
TQFP44,.47SQ,32
DIP40,.6
Package Shape
SQUARE
RECTANGULAR
Package Style
FLATPACK, THIN PROFILE
IN-LINE
Qualification Status
Not Qualified
Not Qualified
RAM (bytes)
256
256
ROM (words)
20480
20480
ROM Programmability
FLASH
FLASH
Seated Height-Max
1.2 mm
4.826 mm
Speed
12 MHz
33 MHz
Supply Voltage-Max
6 V
5.5 V
Supply Voltage-Min
4 V
5 V
Supply Voltage-Nom
5 V
5 V
Surface Mount
YES
NO
Technology
CMOS
CMOS
Temperature Grade
AUTOMOTIVE
INDUSTRIAL
Terminal Finish
TIN LEAD
Terminal Form
GULL WING
THROUGH-HOLE
Terminal Pitch
0.8 mm
2.54 mm
Terminal Position
QUAD
DUAL
Width
10 mm
15.24 mm
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER
MICROCONTROLLER
Base Number Matches
1
2
ECCN Code
3A991.A.2
Supply Current-Max
25 mA
Compare AT89C55-16AA with alternatives
Compare AT89C55WD-33PU with alternatives