AT89C51-20PI
vs
SC87C51APA44
feature comparison
| Rohs Code |
No
|
|
| Part Life Cycle Code |
Obsolete
|
Obsolete
|
| Ihs Manufacturer |
ATMEL CORP
|
NXP SEMICONDUCTORS
|
| Part Package Code |
DIP
|
|
| Package Description |
DIP, DIP40,.6
|
QCCJ,
|
| Pin Count |
40
|
|
| Reach Compliance Code |
unknown
|
unknown
|
| 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
|
|
| Clock Frequency-Max |
24 MHz
|
24 MHz
|
| DAC Channels |
NO
|
NO
|
| DMA Channels |
NO
|
NO
|
| External Data Bus Width |
8
|
8
|
| JESD-30 Code |
R-PDIP-T40
|
S-PQCC-J44
|
| JESD-609 Code |
e0
|
|
| Length |
52.2 mm
|
16.5862 mm
|
| Number of I/O Lines |
32
|
32
|
| Number of Terminals |
40
|
44
|
| On Chip Program ROM Width |
8
|
8
|
| Operating Temperature-Max |
85 °C
|
85 °C
|
| Operating Temperature-Min |
-40 °C
|
-40 °C
|
| PWM Channels |
NO
|
NO
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
DIP
|
QCCJ
|
| Package Equivalence Code |
DIP40,.6
|
|
| Package Shape |
RECTANGULAR
|
SQUARE
|
| Package Style |
IN-LINE
|
CHIP CARRIER
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| RAM (bytes) |
128
|
|
| ROM (words) |
4096
|
4096
|
| ROM Programmability |
FLASH
|
OTPROM
|
| Seated Height-Max |
5.59 mm
|
4.57 mm
|
| Speed |
20 MHz
|
12 MHz
|
| Supply Voltage-Max |
6 V
|
5.5 V
|
| Supply Voltage-Min |
5 V
|
5 V
|
| Supply Voltage-Nom |
5 V
|
5 V
|
| Surface Mount |
NO
|
YES
|
| Technology |
CMOS
|
CMOS
|
| Temperature Grade |
INDUSTRIAL
|
INDUSTRIAL
|
| Terminal Finish |
TIN LEAD
|
|
| Terminal Form |
THROUGH-HOLE
|
J BEND
|
| Terminal Pitch |
2.54 mm
|
1.27 mm
|
| Terminal Position |
DUAL
|
QUAD
|
| Width |
15.24 mm
|
16.5862 mm
|
| uPs/uCs/Peripheral ICs Type |
MICROCONTROLLER
|
MICROCONTROLLER
|
| Base Number Matches |
1
|
2
|
| Boundary Scan |
|
NO
|
| Format |
|
FIXED POINT
|
| Integrated Cache |
|
NO
|
| Low Power Mode |
|
YES
|
| Number of DMA Channels |
|
|
| Number of External Interrupts |
|
2
|
| Number of Serial I/Os |
|
1
|
| Number of Timers |
|
2
|
| On Chip Data RAM Width |
|
8
|
| RAM (words) |
|
128
|
| Supply Current-Max |
|
20 mA
|
|
|
|
Compare AT89C51-20PI with alternatives
Compare SC87C51APA44 with alternatives