PIC18F2455-I/SP Microchip Technology Inc., PIC18F2455-I/SP Datasheet - Page 304

• Manufacturer Part Number: PIC18F2455-I/SP
• Description: Microcontroller; 24 KB Flash; 2048 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2455-I/SP

• A/d Inputs: 10-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 12 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 23
• Interface: I2C/SPI/USART/USB
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 24K Bytes
• Ram Size: 2K Bytes
• Speed: 48 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18F2450/4450
44-Lead Plastic Quad Flat No Lead Package (ML) 8x8 mm Body (QFN)
DS39760A-page 302
* Controlling Parameter
§ Significant Characteristic
Notes:
1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Exposed pad varies according to die attach paddle size.
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
REF: Reference Dimension, usually without tolerance, for information purposes only.
JEDEC equivalent: M0-220
Drawing No. C04-103
Number of Contacts
Pitch
Overall Height
Standoff
Base Thickness
Overall Width
Exposed Pad Width
Overall Length
Exposed Pad Length
Contact Width
Contact Length
Contact-to-Exposed-Pad
A3
See ASME Y14.5M
See ASME Y14.5M
INDEX AREA
Dimension Limits
OPTIONAL
TOP VIEW
(NOTE 1)
§
§
E
Units
D2
E2
A3
A1
n
p
E
D
B
L
K
A
n
A1
Advance Information
DETAIL: CONTACT VARIANTS
2
1
(PROFILE MAY VARY)
MIN
D
.014
.014
.000
.309
.236
.309
.236
.008
.031
EXPOSED PAD
A
.026 BSC
.010 REF
INDEX ON
INCHES
NOM
METAL PAD
EXPOSED
PIN 1
(NOTE 2)
.035
.315
.258
.315
.258
.013
.016
.001
44
-
D2
MAX
.002
.260
.260
.013
.039
.019
.321
.321
-
BOTTOM VIEW
MIN
0.80
7.85
5.99
7.85
5.99
0.20
0.35
0.20
E2
0
MILLIMETERS*
© 2006 Microchip Technology Inc.
0.65 BSC
0.25 REF
Revised 09-12-05
NOM
0.90
0.02
8.00
6.55
8.00
6.55
0.33
0.40
44
-
MAX
L
K
p
B
1.00
0.05
8.15
6.60
8.15
6.60
0.35
0.48
-