MK20DX256ZVLK10 Freescale Semiconductor, MK20DX256ZVLK10 Datasheet - Page 21

• Manufacturer Part Number: MK20DX256ZVLK10
• Description: KINETIS 256K USB
• Manufacturer: Freescale Semiconductor

Specifications of MK20DX256ZVLK10

• Processor Series: K20
• Core: ARM Cortex M4
• Data Bus Width: 16 bit
• Program Memory Type: Flash
• Program Memory Size: 256 KB
• Data Ram Size: 128 KB
• Interface Type: USB, CAN, SPI, I2C, UART
• Maximum Clock Frequency: 100 MHz
• Number Of Programmable I/os: 2
• Number Of Timers: 2
• Operating Supply Voltage: 1.71 V to 3.6 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-80
• Operating Temperature Range: - 40 C to + 105 C
• Processor To Be Evaluated: MK20DX256ZVLK10
• Supply Current (max): 185 mA
• Lead Free Status / Rohs Status: No

5.4.1 Thermal operating requirements
5.4.2 Thermal attributes
1.
2.
Freescale Semiconductor, Inc.
Single-layer
(1s)
Four-layer
(2s2p)
Single-layer
(1s)
Four-layer
(2s2p)
—
—
—
Board type
Symbol
T
T
Determined according to JEDEC Standard JESD51-2, Integrated Circuits Thermal Test Method Environmental
Conditions—Natural Convection (Still Air), or EIA/JEDEC Standard JESD51-6, Integrated Circuit Thermal Test Method
Environmental Conditions—Forced Convection (Moving Air).
Determined according to JEDEC Standard JESD51-8, Integrated Circuit Thermal Test Method Environmental
Conditions—Junction-to-Board.
J
A
Die junction temperature
Ambient temperature
Description
R
R
R
R
R
R
Ψ
Symbol
θJA
θJA
θJMA
θJMA
θJB
θJC
JT
K20 Sub-Family Data Sheet Data Sheet, Rev. 6, 9/2011.
Table 11. Thermal operating requirements
Thermal
resistance,
junction to
ambient (natural
convection)
Thermal
resistance,
junction to
ambient (natural
convection)
Thermal
resistance,
junction to
ambient (200 ft./
min. air speed)
Thermal
resistance,
junction to
ambient (200 ft./
min. air speed)
Thermal
resistance,
junction to
board
Thermal
resistance,
junction to case
Thermal
characterization
parameter,
junction to
package top
outside center
(natural
convection)
Description
65
36
52
31
17
13
3
81 MAPBGA
50
35
39
29
19
8
2
80 LQFP
Min.
–40
–40
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Unit
Max.
125
105
1
1
1
1
2
3
4
Notes
Unit
°C
°C
General
21