AT89C55WD-24JU
vs
AT89C55-12QA
feature comparison
| Pbfree Code |
Yes
|
|
| Rohs Code |
Yes
|
No
|
| Part Life Cycle Code |
Transferred
|
Obsolete
|
| Ihs Manufacturer |
ATMEL CORP
|
ATMEL CORP
|
| Part Package Code |
LPCC
|
QFP
|
| Package Description |
GREEN, PLASTIC, MS-018AC, LCC-44
|
QFP, QFP44,.5SQ,32
|
| Pin Count |
44
|
44
|
| Reach Compliance Code |
unknown
|
compliant
|
| ECCN Code |
3A991.A.2
|
|
| HTS Code |
8542.31.00.01
|
8542.31.00.01
|
| Samacsys Manufacturer |
Microchip
|
|
| Has ADC |
NO
|
NO
|
| Address Bus Width |
16
|
16
|
| Bit Size |
8
|
8
|
| CPU Family |
8051
|
8051
|
| Clock Frequency-Max |
33 MHz
|
12 MHz
|
| DAC Channels |
NO
|
NO
|
| DMA Channels |
NO
|
NO
|
| External Data Bus Width |
8
|
8
|
| JESD-30 Code |
S-PQCC-J44
|
S-PQFP-G44
|
| JESD-609 Code |
e3
|
e0
|
| Length |
16.586 mm
|
10 mm
|
| Moisture Sensitivity Level |
2
|
|
| Number of I/O Lines |
32
|
32
|
| Number of Terminals |
44
|
44
|
| On Chip Program ROM Width |
8
|
8
|
| Operating Temperature-Max |
85 °C
|
125 °C
|
| Operating Temperature-Min |
-40 °C
|
-40 °C
|
| PWM Channels |
NO
|
NO
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
QCCJ
|
QFP
|
| Package Equivalence Code |
LDCC44,.7SQ
|
QFP44,.5SQ,32
|
| Package Shape |
SQUARE
|
SQUARE
|
| Package Style |
CHIP CARRIER
|
FLATPACK
|
| Peak Reflow Temperature (Cel) |
245
|
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| RAM (bytes) |
256
|
256
|
| ROM (words) |
20480
|
20480
|
| ROM Programmability |
FLASH
|
FLASH
|
| Seated Height-Max |
4.572 mm
|
2.45 mm
|
| Speed |
24 MHz
|
20 MHz
|
| Supply Current-Max |
25 mA
|
|
| Supply Voltage-Max |
5.5 V
|
6 V
|
| Supply Voltage-Min |
4 V
|
4 V
|
| Supply Voltage-Nom |
5 V
|
5 V
|
| Surface Mount |
YES
|
YES
|
| Technology |
CMOS
|
CMOS
|
| Temperature Grade |
INDUSTRIAL
|
AUTOMOTIVE
|
| Terminal Finish |
MATTE TIN
|
TIN LEAD
|
| Terminal Form |
J BEND
|
GULL WING
|
| Terminal Pitch |
1.27 mm
|
0.8 mm
|
| Terminal Position |
QUAD
|
QUAD
|
| Width |
16.586 mm
|
10 mm
|
| uPs/uCs/Peripheral ICs Type |
MICROCONTROLLER
|
MICROCONTROLLER
|
| Base Number Matches |
1
|
1
|
|
|
|
Compare AT89C55WD-24JU with alternatives
Compare AT89C55-12QA with alternatives