Datasheet

5
Electrical Characteristics Over Operating Temperature Range (-45°C to +85°C)
4.5 V < V
DD
< 5.5 V, unless otherwise specied
T
A
= 25°C -45°C < T
A
< + 85°C
V
DD
= 5.0 4.5 V < V
DD
< 5.5 V
Parameter Symbol Typ. Max. Min. Max. Units Test Conditions
Input Leakage I
IH
1.0 μA V
IN
= 0 to V
DD
,
(Input without pullup) I
IL
-1.0 pins CLK, D
0
-D
A
0
-A
4
Input Current I
IPL
-11 -18 -30 μA V
IN
= 0 to V
DD
,
(Input with pullup) pins CLS, RST,
WR, RD, CE, FL
I
DD
Blank I
DD
(BLK) 0.5 3.0 4.0 mA V
IN
= V
DD
I
DD
8 digits I
DD
(V) 200 255 330 mA “V” on in all 8
12 dots/character
[1,2]
locations
I
DD
8 digits I
DD
(#) 300 370 430 mA “#” on in al
20 dots/character
[1,2,3,4]
locations
Input Voltage High V
IH
2.0 V
DD
V
+0.3
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 V
OL
0.4 V V
DD
= 4.5 V,
D
0
-D
7
I
OL
= 1.6 mA
Output Voltage Low V
OL
0.4 V V
DD
= 4.5 V,
CLK I
OL
= 40 μA
High Level Output I
OH
-60 mA V
DD
= 5.0 V
Current
Low Level Output I
OL
50 mA V
DD
= 5.0 V
Current
Thermal Resistance RT
J-C
15 °C/W
IC Junction-to-Case
Notes:
1. 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
(#).
2. Maximum I
DD
occurs at -55°C.
3. Maximum I
DD
(#) = 355 mA at V
DD
= 5.25 V and IC T
J
= 150°C.
4. Maximum I
DD
(#) = 375 mA at V
DD
= 5.5 V and IC T
J
= 150°C.