AT87F55WD-24JI
vs
AT89C55-12PC
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
ATMEL CORP
ATMEL CORP
Part Package Code
LCC
DIP
Package Description
PLASTIC, LCC-44
DIP, DIP40,.6
Pin Count
44
40
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
CPU Family
8051
8051
Clock Frequency-Max
24 MHz
12 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
e0
Length
16.5862 mm
52.2 mm
Moisture Sensitivity Level
2
Number of I/O Lines
32
32
Number of Terminals
44
40
On Chip Program ROM Width
8
8
Operating Temperature-Max
85 °C
70 °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
Qualification Status
Not Qualified
Not Qualified
RAM (bytes)
256
256
ROM (words)
20480
20480
ROM Programmability
OTPROM
FLASH
Seated Height-Max
4.57 mm
5.59 mm
Speed
24 MHz
16 MHz
Supply Current-Max
25 mA
25 mA
Supply Voltage-Max
5.5 V
6 V
Supply Voltage-Min
5 V
5 V
Supply Voltage-Nom
5 V
5 V
Surface Mount
YES
NO
Technology
CMOS
CMOS
Temperature Grade
INDUSTRIAL
COMMERCIAL
Terminal Finish
TIN LEAD
TIN LEAD
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
Boundary Scan
NO
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