MC9S08SH4CTG Freescale, MC9S08SH4CTG Datasheet - Page 292

• Manufacturer Part Number: MC9S08SH4CTG
• Manufacturer: Freescale

Specifications of MC9S08SH4CTG

• Cpu Family: HCS08
• Device Core Size: 8b
• Frequency (max): 40MHz
• Interface Type: I2C/SCI/SPI
• Total Internal Ram Size: 256Byte
• # I/os (max): 13
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: TSSOP
• Program Memory Type: Flash
• Program Memory Size: 4KB
• Lead Free Status / RoHS Status: Compliant

Appendix A Electrical Characteristics
The average chip-junction temperature (T
where:
For most applications, P
(if P
Solving
where K is a constant pertaining to the particular part. K can be determined from equation 3 by measuring
P
solving
292
D
(at equilibrium) for a known T
I/O
T
θ
P
P
P
JA
D
int
I/O
A
is neglected) is:
Equation A-1
= Ambient temperature, °C
= P
Equation A-1
= Package thermal resistance, junction-to-ambient, °C/W
= I
= Power dissipation on input and output pins — user determined
int
DD
+ P
× V
I/O
DD
, Watts — chip internal power
and
and
I/O
Equation A-2
Equation A-2
<< P
K = P
int
MC9S08SH8 MCU Series Data Sheet, Rev. 3
A
and can be neglected. An approximate relationship between P
. Using this value of K, the values of P
D
P
T
× (T
D
J
iteratively for any value of T
for K gives:
= K ÷ (T
J
= T
A
) in °C can be obtained from:
+ 273°C) + θ
A
+ (P
J
D
+ 273°C)
× θ
JA
JA
)
× (P
D
)
2
A
.
D
and T
J
can be obtained by
Freescale Semiconductor
D
Eqn. A-1
Eqn. A-2
Eqn. A-3
and T
J