M5450_04 STMICROELECTRONICS [STMicroelectronics], M5450_04 Datasheet - Page 4
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M5450_04
Manufacturer Part Number
M5450_04
Description
LED DISPLAY DRIVERS
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M5450_04.pdf
(12 pages)
M5450, M5451
Table 2. Static Electrical Characteristics
Note: 1. Output matching is calculated as the percent variation from I
Figure 4. Input Data Format
4/12
(T
Symbol
amb
V
f
V
clock
I
O(off)
V
DD
V
I
I
I
2. With a fixed resistor on the brightness input some variation in brightness will occur from one device to another.
3. Absolute maximum for each output should be limited to 40mA.
4. The V
DD
O
O
B
B
I
within operating range, V
CLOCK
DATA
LOAD
(INTERNAL)
RESET
(INTERNAL)
O
Supply Voltage
Supply Current
Input Voltage Logical "0" Level
Logical "1" Level
Brightness Input Current (note 2)
Brightness Input Voltage (pin 19) Input Current = 750µA, T
Off State Out. Voltage
Out. Sink Current (note 3)
Segment OFF
Segment ON
Input Clock Frequency
Output Matching (note 1)
voltage should be regulated by the user. See Figure 7 and Figure 8 for allowable VO versus IO operation.
Parameter
START
1
DD
BIT 1
= 4.75V to 13.2V, V
V
± 10µA Input Bias
4.75 ≤ V
V
V
V
Brightness In. = 0µA
Brightness In. = 100µ
Brightness In. = 750µA
DD
DD
O
O
= 3V
= 1V (note 4)
= 13.2V
> 5.25
DD
Test Conditions
≤ 5.25
MAX
SS
+ I
= 0V, unless otherwise specified)
MIN
/2.
amb
= 25°C
BIT 34
V
BIT 35
Min.
4.75
- 0.3
2.2
DD
36
12
2
0
3
0
0
- 2
Typ.
15
27
13.2
Max.
0.75
0.5
± 20
13.2
0.8
V
4.3
V
10
10
25
7
DD
4
DD
MHz
Unit
V
mA
mA
mA
µA
µA
mA
%
V
V
V
V
V