M5451B7 STMicroelectronics, M5451B7 Datasheet - Page 4

• Manufacturer Part Number: M5451B7
• Description: IC LED DISPLAY DRIVER 40-PDIP
• Manufacturer: STMicroelectronics

Specifications of M5451B7

• Display Type: LED
• Configuration: Alphanumeric or Dot Matrix
• Interface: Serial
• Digits Or Characters: 4 or 5 Digits
• Current - Supply: 7mA
• Voltage - Supply: 4.75 V ~ 13.2 V
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.600", 15.24mm)
• Number Of Digits: 5
• Number Of Segments: 35
• Low Level Output Current: 25 mA
• Operating Supply Voltage: 4.75 V to 13.2 V
• Maximum Supply Current: 7 mA
• Maximum Power Dissipation: 1 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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