MC68HC908EY16 Datasheet, PDF (242/278 Pages) Motorola, Inc – Microcontrollers

Electrical Specifications
20.3 Functional Operating Range
Characteristic
Operating temperature range
Operating voltage range
Symbol
Value
Unit
T_A
–40 to 135
°C
V_DD
5.0 ± 10%
V
20.4 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal resistance
QFP (32 pins)
θ_JA
100
C/W
I/O pin power dissipation
P_I/O
User determined
W
Power dissipation⁽¹⁾
P_D
P_D = (I_DD x V_DD) + P_I/O =
K/(T_J + 273°C)
W
Constant⁽²⁾
K
P_D x (T_A + 273°C)
+ P_D2 x θ_JA
W/C
Average junction temperature
T_J
T_A + (P_D x 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.
20.5 DC Electrical Characteristics
Characteristic⁽¹⁾
Output high voltage
I_Load = –2.0 mA, all I/O pins
I_Load = –5.0 mA, all I/O pins
I_Load = –10.0 mA, all I/O pins
I_Load = –15.0 mA, PTA0–PTA6/SS and PTC0–PTC1 only
Output low voltage
I_Load = 1.6 mA, all I/O pins
I_Load = 5.0 mA, all I/O pins
I_Load = 10.0 mA, all I/O pins
I_Load = 15.0 mA, PTA0–PTA6/SS and PTC0–PTC1 only
Input high voltage — all ports, IRQ, RST
Input low voltage — all ports, IRQ, RST
DC injection current, all ports⁽³⁾
Total DC current injection (sum of all I/O)
Symbol
Min
Typ⁽²⁾
Max
V_DD –0.7 V_DD –0.54
—
V_OH
V_DD –1.1 V_DD –0.91
—
V_DD –1.7 V_DD –1.51
—
V_DD –1.5 V_DD –0.81
—
Unit
V
V_OL
V_IH
V_IL
I_INJ
I_INJTOT
—
—
—
—
0.7 x V_DD
V_SS
– 2.0
– 25
0.31
0.4
0.56
1
V
0.99
1.5
1.44
1.8
—
V_DD + 0.3
V
—
0.3 x V_DD
V
—
+ 2.0
mA
+ 25
mA
— Continued on next page
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
242
Freescale Semiconductor