Datasheet

4
Recommended Operating Conditions
Parameter Symbol Minimum Nominal Maximum Units
Supply Voltage V
DD
4.5 5.0 5.5 V
Electrical Characteristics over Operating Temperature Range
4.5 < V
DD
< 5.5 unless otherwise specied
25°C 25°C
Parameter Symbol Min. Typ.
[1]
Max.
[1]
Max. Units Test Conditions
Input Leakage I
I
-1.0 1.0 mA V
IN
= 0 to V
DD
, Pins CLK,
(Input without Pull-up) D
0
-D
7
, A
0
-A
4
Input Current I
IP
-30 -11 -18 0 mA V
IN
= 0 to V
DD
, Pins CLS,
(Input with Pull-up) RST, WR, RD, CE, FL
I
DD
Blank I
DD
(BL) 0.5 3.0 4.0 mA V
IN
= V
DD
I
DD
8 Digits 12 Dots/Char
[2,3,4]
I
DD
(V) 230 295 390 mA “V” On in All 8 Locations
(AlGaAs)
I
DD
8 Digits 20 Dots/Char
[2,3,4]
I
DD
(#) 330 410 480 mA “#” On in All 8 Locations
(AlGaAs)
I
DD
8 Digits 12 Dots/Char
[2,3,4]
I
DD
(V) 200 255 330 mA “V” On in All 8 Locations
(All Colors Except AlGaAs)
I
DD
8 Digits 20 Dots/Char
[2,3,4]
I
DD
(#) 300 370 430 mA “#” On in All 8 Locations
(All Colors Except AlGaAs)
Input Voltage High V
IH
2.0 V
DD
V
+0.3 V
Input Voltage Low V
IL
GND 0.8 V
-0.3 V
Output Voltage High V
OH
2.4 V V
DD
= 4.5 V, I
OH
= -40 µA
Output Voltage Low D
0
-D
7
V
OL
0.4 V V
DD
= 4.5 V, I
OL
= 1.6 mA
Output Voltage Low CLK V
OL
0.4 V V
DD
= 4.5 V, I
OL
= 40 µA
Thermal Resistance IC Rq
J-PIN
16 °C/W Measured at Pin 17
Junction-to-PIN
Notes:
1. V
DD
= 5.0 V.
2. See Thermal Considerations Section for information about operation in high temperature ambients.
3. Average I
DD
measured at full brightness. See Table 2 in Control Word Section for I
DD
at lower brightness levels. Peak I
DD
= 28/15 x I
DD
(#).
4. Maximum I
DD
occurs at -55°C.