4
FN6675.1
January 22, 2009
Absolute Maximum Ratings Thermal Information
Supply Voltage V
DD
- V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.0V
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, Note 1) θ
JA
(°C/W)
MQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Maximum 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:
1. θ
JA
is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications V
DD
= 5V, 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
4.75 5.0 5.25 V
Operating Supply Current I
DD
V
SUPP
= 5.25V, 10 Segments ON, All 8 Characters - 180 - mA
Quiescent Supply Current I
STBY
V
SUPP
= 5.25V, OSC/OFF Pin < 0.5V, CS = V
SS
- 30 250 µA
Input High Voltage V
IH
2- -V
Input Low Voltage V
IL
--0.8V
Input Current I
IN
-10 - +10 µA
CHARacter Drive Current I
CHAR
V
SUPP
= 5V, V
OUT
= 1V 140 190 - mA
CHARacter Leakage Current I
CHLK
- - 100 µA
SEGment Drive Current I
SEG
V
SUPP
= 5V, V
OUT
= 2.5V 3.3 4.5 5.5 mA
SEGment Leakage Current I
SLK
-0.0110µA
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
- 400 - Hz
Electrical Specifications Drive levels 0.4V and 2.4V, timing measured at 0.8V and 2.0V. V
DD
= 5V, T
A
= +25°C,
Unless Otherwise Specified
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
AC CHARACTERISTICS
WR
, CLeaR Pulse Width Low t
WPI
300 250 - ns
WR
, CLeaR Pulse Width High (Note 2) 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
40 15 - ns
CS Setup Time t
CS
0--ns
Pulse Transition Time t
T
- - 100 ns
SEN Setup Time t
SEN
0-25-ns
Display Full Delay t
WDF
760 540 - ns
Capacitance
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
Input Capacitance C
lN
(Note 3) - 5 - pF
Output Capacitance C
O
(Note 3) - 5 - pF
2. In Sequential mode WR
high must be ≥ T
SEN
+T
WDF
.
3. For design reference only, not tested.
ICM7244ICM7244