AT87F55WD-24JI
vs
AT89C55-12JC
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
ATMEL CORP
ATMEL CORP
Part Package Code
LCC
LCC
Package Description
PLASTIC, LCC-44
QCCJ, LDCC44,.7SQ
Pin Count
44
44
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
S-PQCC-J44
JESD-609 Code
e0
e0
Length
16.5862 mm
16.5862 mm
Moisture Sensitivity Level
2
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
70 °C
Operating Temperature-Min
-40 °C
PWM Channels
NO
NO
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
QCCJ
QCCJ
Package Equivalence Code
LDCC44,.7SQ
LDCC44,.7SQ
Package Shape
SQUARE
SQUARE
Package Style
CHIP CARRIER
CHIP CARRIER
Peak Reflow Temperature (Cel)
225
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
4.57 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
YES
Technology
CMOS
CMOS
Temperature Grade
INDUSTRIAL
COMMERCIAL
Terminal Finish
TIN LEAD
TIN LEAD
Terminal Form
J BEND
J BEND
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
QUAD
QUAD
Width
16.5862 mm
16.5862 mm
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER
MICROCONTROLLER
Base Number Matches
1
1
Boundary Scan
NO
Compare AT87F55WD-24JI with alternatives
Compare AT89C55-12JC with alternatives