MC68HC908GZ16 Datasheet, PDF (290/314 Pages) Motorola, Inc – Microcontrollers

Electrical Specifications
21.3 Functional Operating Range
Characteristic
Operating temperature range
Operating voltage range
Symbol
T_A
V_DD
Value
Unit
–40 to +125
°C
5.0 ±10%
3.3 ±10%
V
21.4 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal resistance
32-pin LQFP
48-pin LQFP
θ_JA
95
°C/W
95
I/O pin power dissipation
Power dissipation⁽¹⁾
Constant⁽²⁾
Average junction temperature
P_I/O
User determined
W
P_D
P_D = (I_DD × V_DD) + P_I/O =
K/(T_J + 273 °C)
W
K
P_D × (T_A + 273 °C)
+ P_D2 × θ_JA
W/°C
T_J
T_A + (P_D × θ_JA)
°C
1. Power dissipation is a function of temperature.
2. K is a constant unique to the device. K can be determined for a known T_A and measured P_D. With this value of K, P_D and
T_J can be determined for any value of T_A.
21.5 5-Vdc Electrical Characteristics
Characteristic⁽¹⁾
Output high voltage
(I_Load = –2.0 mA) all I/O pins
(I_Load = –10.0 mA) all I/O pins
(I_Load = –20.0 mA) pins PTC0–PTC4 only
Maximum combined I_OH for port PTA7–PTA3,
port PTC0–PTC1, port E, port PTD0–PTD3
Maximum combined I_OH for port PTA2–PTA0,
port B, port PTC2-PTC6, port PTD4–PTD7
Maximum total I_OH for all port pins
Output low voltage
(I_Load = 1.6 mA) all I/O pins
(I_Load = 10 mA) all I/O pins
(I_Load = 20mA) pins PTC0–PTC4 only
Maximum combined I_OH for port PTA7–PTA3,
port PTC0-PTC1, port E, port PTD0–PTD3
Maximum combined I_OH for port PTA2–PTA0,
port B, port PTC2–PTC6, port PTD4–PTD7
Maximum total I_OL for all port pins
Symbol
V_OH
V_OH
V_OH
I_OH1
I_OH2
I_OHT
V_OL
V_OL
V_OL
I_OL1
I_OL2
I_OLT
Min
V_DD – 0.8
V_DD – 1.5
V_DD – 1.5
—
—
—
—
—
—
—
—
—
Typ⁽²⁾
Max
Unit
—
—
V
—
—
V
—
—
V
—
50
mA
—
50
mA
—
100
mA
—
0.4
V
—
1.5
V
—
1.5
V
—
50
mA
—
50
mA
—
100
mA
Continued on next page
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 1
290
Freescale Semiconductor