ICM7245
4
FN8587.0
October 29, 2013
Absolute Maximum Ratings Thermal Information
Supply Voltage V
DD
- V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.5V
Input Voltage (Any Terminal) . . . . . . . . . . . . . . . . . .V
DD
+ 0.3V to V
SS
- 0.3V
CHARacter Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mA
SEGment Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25°C to +85°C
Thermal Resistance (Typical) θ
JA
(°C/W) θ
JC
(°C/W)
44 Ld MQFP Package (Notes 4, 5) . . . . . . . 70 21
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
4. θ
JA
is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
5. For θ
JC
, the “case temp” location is taken at the package top center.
Electrical Specifications V
DD
= 3.3V, V
SS
= 0V, T
A
= +25°C, Unless Otherwise Specified.
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
DC CHARACTERISTICS
Supply Voltage (V
DD
- V
SS
)V
SUPP
33.33.6V
Operating Supply Current I
DD
V
SUPP
= 3.6V, 10 Segments ON, All 8 Characters - 50 - mA
Quiescent Supply Current I
STBY
V
SUPP
= 3.6V, OSC/OFF Pin < 0.5V, CS = V
SS
- 3.2 25 µA
Input High Voltage V
IH
2.0 - - V
Input Low Voltage V
IL
--0.8V
Input Current I
IN
-10 - +10 µA
CHARacter Drive Current I
CHAR
V
SUPP
= 3.3V, V
OUT
= 1V 70 135 - mA
V
SUPP
= 3.0V, V
OUT
= 2V 120 175 235 mA
CHARacter Leakage Current I
CHLK
--100µA
SEGment Drive Current I
SEG
V
SUPP
= 3.3V, V
OUT
= 2V 3.7 5.1 6.7 mA
SEGment Leakage Current I
SLK
-0.0210µA
DISPlay FULL Output Low V
OL
I
OL
= 1.6mA - - 0.4 V
DISPlay FULL Output High V
OH
l
IH
= 100µA 2.4 - - V
Display Scan Rate f
DS
- 300 - Hz
Electrical Specifications Drive levels 0.4V and 2.4V, timing measured at 0.8V and 2.0V. V
DD
= 3.3V, T
A
= +25°C,
Unless Otherwise Specified.
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
AC CHARACTERISTICS
WR, CLeaR Pulse Width Low t
WPI
500 250 - ns
WR
, CLeaR Pulse Width High (Note 6) t
WPH
- 250 - ns
Data Hold Time t
DH
0-100 - ns
Data Setup Time t
DS
250 150 - ns
Address Hold Time t
AH
125 - - ns
Address Setup Time t
AS
100 - - ns
CS Setup Time t
CS
0- -ns
Pulse Transition Time t
T
--100ns
SEN Setup Time t
SEN
0 -25 - ns
Display Full Delay t
WDF
760 540 - ns
