AT89C55-12QA
vs
AT89C55WD-24PL
feature comparison
| Rohs Code |
No
|
Yes
|
| Part Life Cycle Code |
Obsolete
|
Obsolete
|
| Ihs Manufacturer |
ATMEL CORP
|
MICROCHIP TECHNOLOGY INC
|
| Part Package Code |
QFP
|
|
| Package Description |
QFP, QFP44,.5SQ,32
|
0.600 INCH, 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
|
|
| Clock Frequency-Max |
12 MHz
|
24 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
|
e3
|
| 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
|
70 °C
|
| Operating Temperature-Min |
-40 °C
|
|
| PWM Channels |
NO
|
NO
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
QFP
|
DIP
|
| Package Equivalence Code |
QFP44,.5SQ,32
|
|
| Package Shape |
SQUARE
|
RECTANGULAR
|
| Package Style |
FLATPACK
|
IN-LINE
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| RAM (bytes) |
256
|
|
| ROM (words) |
20480
|
20480
|
| ROM Programmability |
FLASH
|
FLASH
|
| Seated Height-Max |
2.45 mm
|
4.826 mm
|
| Speed |
20 MHz
|
24 MHz
|
| Supply Voltage-Max |
6 V
|
5.5 V
|
| Supply Voltage-Min |
4 V
|
4 V
|
| Supply Voltage-Nom |
5 V
|
5 V
|
| Surface Mount |
YES
|
NO
|
| Technology |
CMOS
|
CMOS
|
| Temperature Grade |
AUTOMOTIVE
|
COMMERCIAL
|
| Terminal Finish |
TIN LEAD
|
MATTE TIN
|
| 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
|
| Boundary Scan |
|
NO
|
| Moisture Sensitivity Level |
|
1
|
|
|
|
Compare AT89C55-12QA with alternatives
Compare AT89C55WD-24PL with alternatives