AT89C51RD2-SMSUM
vs
AT87C51RD2-RLTUM
feature comparison
| Pbfree Code |
Yes
|
|
| Rohs Code |
Yes
|
Yes
|
| Part Life Cycle Code |
Obsolete
|
Active
|
| Ihs Manufacturer |
ATMEL CORP
|
MICROCHIP TECHNOLOGY INC
|
| Part Package Code |
LCC
|
|
| Package Description |
QCCJ, LDCC68,1.0SQ
|
GREEN, VQFP-44
|
| Pin Count |
68
|
|
| Reach Compliance Code |
compliant
|
compliant
|
| ECCN Code |
3A991.A.2
|
3A991.A.2
|
| HTS Code |
8542.31.00.01
|
8542.31.00.01
|
| Has ADC |
NO
|
NO
|
| Additional Feature |
OPERATES AT 2.7V MINIMUM SUPPLY @ 40 MHZ
|
|
| Address Bus Width |
16
|
16
|
| Bit Size |
8
|
8
|
| CPU Family |
8051
|
8051
|
| Clock Frequency-Max |
40 MHz
|
40 MHz
|
| DAC Channels |
NO
|
NO
|
| DMA Channels |
NO
|
NO
|
| External Data Bus Width |
8
|
8
|
| JESD-30 Code |
S-PQCC-J68
|
S-PQFP-G44
|
| JESD-609 Code |
e3
|
|
| Length |
24.23 mm
|
10 mm
|
| Number of I/O Lines |
48
|
32
|
| Number of Terminals |
68
|
44
|
| On Chip Program ROM Width |
8
|
8
|
| Operating Temperature-Max |
85 °C
|
85 °C
|
| Operating Temperature-Min |
-40 °C
|
-40 °C
|
| PWM Channels |
YES
|
YES
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
QCCJ
|
LQFP
|
| Package Equivalence Code |
LDCC68,1.0SQ
|
QFP44,.47SQ,32
|
| Package Shape |
SQUARE
|
SQUARE
|
| Package Style |
CHIP CARRIER
|
FLATPACK, LOW PROFILE
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| RAM (bytes) |
2048
|
1024
|
| ROM (words) |
65536
|
65536
|
| ROM Programmability |
FLASH
|
OTPROM
|
| Seated Height-Max |
5.08 mm
|
1.6 mm
|
| Speed |
60 MHz
|
40 MHz
|
| Supply Voltage-Max |
5.5 V
|
5.5 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
|
INDUSTRIAL
|
| Terminal Finish |
MATTE TIN
|
|
| Terminal Form |
J BEND
|
GULL WING
|
| Terminal Pitch |
1.27 mm
|
0.8 mm
|
| Terminal Position |
QUAD
|
QUAD
|
| Width |
24.23 mm
|
10 mm
|
| uPs/uCs/Peripheral ICs Type |
MICROCONTROLLER
|
MICROCONTROLLER
|
| Base Number Matches |
1
|
2
|
|
|
|
Compare AT89C51RD2-SMSUM with alternatives
Compare AT87C51RD2-RLTUM with alternatives