AT89C55-24JC
vs
AT89C55WD-24PU
feature comparison
Rohs Code |
No
|
Yes
|
Part Life Cycle Code |
Obsolete
|
Transferred
|
Ihs Manufacturer |
ATMEL CORP
|
ATMEL CORP
|
Part Package Code |
LPCC
|
DIP
|
Package Description |
PLASTIC, MS-018AC, LCC-44
|
0.600 INCH, GREEN, PLASTIC, MS-011AC, DIP-40
|
Pin Count |
44
|
40
|
Reach Compliance Code |
unknown
|
unknown
|
HTS Code |
8542.31.00.01
|
8542.31.00.01
|
Samacsys Manufacturer |
Microchip
|
Microchip
|
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
|
33 MHz
|
DAC Channels |
NO
|
NO
|
DMA Channels |
NO
|
NO
|
External Data Bus Width |
8
|
8
|
JESD-30 Code |
S-PQCC-J44
|
R-PDIP-T40
|
JESD-609 Code |
e0
|
e3
|
Length |
16.5862 mm
|
52.324 mm
|
Moisture Sensitivity Level |
2
|
1
|
Number of I/O Lines |
32
|
32
|
Number of Terminals |
44
|
40
|
On Chip Program ROM Width |
8
|
8
|
Operating Temperature-Max |
70 °C
|
85 °C
|
Operating Temperature-Min |
|
-40 °C
|
PWM Channels |
NO
|
NO
|
Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
Package Code |
QCCJ
|
DIP
|
Package Equivalence Code |
LDCC44,.7SQ
|
DIP40,.6
|
Package Shape |
SQUARE
|
RECTANGULAR
|
Package Style |
CHIP CARRIER
|
IN-LINE
|
Peak Reflow Temperature (Cel) |
225
|
245
|
Qualification Status |
Not Qualified
|
Not Qualified
|
RAM (bytes) |
256
|
256
|
ROM (words) |
20480
|
20480
|
ROM Programmability |
FLASH
|
FLASH
|
Seated Height-Max |
4.57 mm
|
4.826 mm
|
Speed |
24 MHz
|
24 MHz
|
Supply Voltage-Max |
6 V
|
5.5 V
|
Supply Voltage-Min |
5 V
|
4 V
|
Supply Voltage-Nom |
5 V
|
5 V
|
Surface Mount |
YES
|
NO
|
Technology |
CMOS
|
CMOS
|
Temperature Grade |
COMMERCIAL
|
INDUSTRIAL
|
Terminal Finish |
TIN LEAD
|
MATTE TIN
|
Terminal Form |
J BEND
|
THROUGH-HOLE
|
Terminal Pitch |
1.27 mm
|
2.54 mm
|
Terminal Position |
QUAD
|
DUAL
|
Width |
16.5862 mm
|
15.24 mm
|
uPs/uCs/Peripheral ICs Type |
MICROCONTROLLER
|
MICROCONTROLLER
|
Base Number Matches |
1
|
1
|
Pbfree Code |
|
Yes
|
ECCN Code |
|
3A991.A.2
|
Supply Current-Max |
|
25 mA
|
|
|
|
Compare AT89C55-24JC with alternatives
Compare AT89C55WD-24PU with alternatives