M5481B7 STMicroelectronics, M5481B7 Datasheet
M5481B7
Specifications of M5481B7
Available stocks
Related parts for M5481B7
M5481B7 Summary of contents
Page 1
FEATURES SUMMARY 2 DIGIT LED DRIVER (14 segments) ■ CURRENT GENERATOR OUTPUTS (no ■ registor required) CONTINUOUS BRIGHTNESS CONTROL ■ SERIAL DATA INPUT ■ DATA ENABLE ■ WIDE SUPPLY VOLTAGE OPERATION ■ TLL COMPATIBILITY ■ APPLICATION EXAMPLES ■ MICROPROCESSOR DISPLAYS ...
Page 2
M5481 Figure 3. Block Diagram Brightness Control 100k 1nF Data Enable Serial Data Clock Table 1. Absolute Maximum Ratings Symbol V Supply Voltage DD V Input Voltage I V Off State Output Voltage O(off) I Output Sink Current O Total ...
Page 3
Table 2. Static Electrical Characteristics (T within operating range, V amb Symbol Parameter V Supply Voltage DD I Supply Current DD V Input Voltage Logical "0" Level I Logical "1" Level I Brightness Input Current (note Brightness ...
Page 4
M5481 Figure 4. Input Data Format 1 CLOCK START DATA LOAD (INTERNAL) RESET (INTERNAL) At the low state of the clock a RESET signal is generated which clears all the shift registers for the next set of data. The shift ...
Page 5
TYPICAL APPLICATION Figure 6. BASIC electronically tuned TV system KEYBOARD POWER DISSIPATION OF THE IC The power dissipation of the IC can be limited us- ing different configurations. Figure OUT LED ...
Page 6
M5481 Figure this configuration the drop on the serial connect- ed diodes is quite stable if the diodes are properly chosen. The total power dissipation of the IC depends only, in first approximation, on the number ...
Page 7
PART NUMBERING Table 4. Order Codes Part Number M5481 B7 Package PDIP M5481 Temperature Range - °C 7/10 ...
Page 8
M5481 PACKAGE MECHANICAL Table 5. PDIP20 - Mechanical Data Symbol Typ A 3. 1.39 b 0.381 b1 0.20 C 5.20 D 24.9 E 7.8 e 2.29 e3 22.60 e4 7.36 F 6.22 I 3. ...
Page 9
REVISION HISTORY Table 6. Revision History Date Revision October-2000 1 14-Apr-2004 2 Description of Changes First Issue Stylesheet update. No content change. M5481 9/10 ...
Page 10
... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...