AT89LP428 Atmel Corporation, AT89LP428 Datasheet - Page 139

• 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. Packaging Information
26.1
3654A–MICRO–8/09
Notes:
32A – TQFP
R
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MS-026, Variation ABA.
2. Dimensions D1 and E1 do not include mold protrusion. Allowable
3. Lead coplanarity is 0.10 mm maximum.
C
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
e
PIN 1
0˚~7˚
L
PIN 1 IDENTIFIER
TITLE
32A, 32-lead, 7 x 7 mm Body Size, 1.0 mm Body Thickness,
0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
D1
D
B
E1
A1
E
A2
SYMBOL
A
A
A1
A2
D
D1
E
E1
B
C
L
e
0.30
0.05
8.75
6.90
8.75
6.90
0.09
0.45
COMMON DIMENSIONS
0.95
MIN
(Unit of Measure = mm)
–
AT89LP428/828
0.80 TYP
NOM
1.00
9.00
7.00
9.00
7.00
–
–
–
–
–
DRAWING NO.
MAX
1.20
0.15
1.05
9.25
7.10
9.25
7.10
0.45
0.20
32A
0.75
10/5/2001
Note 2
Note 2
NOTE
REV.
B
139