AT89LP428 Atmel Corporation, AT89LP428 Datasheet - Page 142

• 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

26.4
142
32M1-A – MLF
AT89LP428/828
R
P
2325 Orchard Parkway
San Jose, CA 95131
Note: JEDEC Standard MO-220, Fig. 2 (Anvil Singulation), VHHD-2.
P
1
2
3
b
BOTTOM VIEW
K
Pin 1 ID
TOP VIEW
Pin #1 Notch
(0.20 R)
D1
D2
D
TITLE
32M1-A, 32-pad, 5 x 5 x 1.0 mm Body, Lead Pitch 0.50 mm,
3.10 mm Exposed Pad, Micro Lead Frame Package (MLF)
e
1
2
3
E2
E1
L
E
K
A2
A
0
A1
A3
SYMBOL
SIDE VIEW
0.08 C
0
L
P
A
A1
A2
A3
b
D
D1
D2
E
E1
E2
e
K
0.80
0.18
4.90
4.70
2.95
4.90
4.70
2.95
0.30
COMMON DIMENSIONS
0.20
MIN
(Unit of Measure = mm)
–
–
–
–
0.20 REF
0.50 BSC
NOM
0.90
0.02
0.65
0.23
5.00
4.75
3.10
5.00
4.75
3.10
0.40
–
–
–
DRAWING NO.
MAX
1.00
0.05
1.00
0.30
5.10
4.80
3.25
5.10
4.80
3.25
0.50
0.60
12 o
–
32M1-A
3654A–MICRO–8/09
NOTE
5/25/06
REV.
E