AT89LP428 Atmel Corporation, AT89LP428 Datasheet - Page 140

• Manufacturer Part Number: AT89LP428
• Manufacturer: Atmel Corporation

Specifications of AT89LP428

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 25 MHz
• Cpu: 8051-1C
• Max I/o Pins: 30
• Spi: 1
• Uart: 1
• Sram (kbytes): 0.75
• Eeprom (bytes): 512
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 3
• Isp: SPI/OCD
• Watchdog: Yes

26.2
140
SEATING PLANE
Note:
28P3 – PDIP
AT89LP428/828
R
2325 Orchard Parkway
San Jose, CA 95131
A
1. Dimensions D and E1 do not include mold Flash or Protrusion.
L
Mold Flash or Protrusion shall not exceed 0.25 mm (0.010").
e
C
TITLE
28P3, 28-lead (0.300"/7.62 mm Wide) Plastic Dual
Inline Package (PDIP)
eB
E
D
B1
0º ~ 15º
B
PIN
1
REF
(4 PLACES)
B2
A1
E1
SYMBOL
e
A
A1
D
E
E1
B
B1
B2
L
C
eB
0.254
35.00
7.366
0.356
1.143
0.762
2.921
0.203
7.112
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
–
2.540 TYP
NOM
–
–
–
–
–
–
–
–
–
–
–
DRAWING NO.
4.5724
10.160
35.51
0.559
1.143
0.356
8.382
7.518
1.78
3.81
MAX
28P3
–
3654A–MICRO–8/09
Note 1
Note 1
NOTE
05/18/04
REV.
C