M5451QT STMicroelectronics, M5451QT Datasheet
M5451QT
Specifications of M5451QT
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M5451QT Summary of contents
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FEATURES SUMMARY M5450 34 OUTPUTS/15mA SINK ■ M5451 35 OUTPUTS/15mA SINK ■ CURRENT GENERATOR OUTPUTS (NO ■ EXTERNAL RESISTORS REQUIRED) CONTINUOUS BRIGHTNESS CONTROL ■ SERIAL DATA INPUT ■ ENABLE (ON M5450) ■ WIDE SUPPLY VOLTAGE OPERATION ■ TTL COMPATIBILITY ■ ...
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M5450, M5451 Figure 2. Pin Connection OUTPUT BIT OUTPUT BIT OUTPUT BIT OUTPUT BIT OUTPUT BIT OUTPUT BIT ...
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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 Package Power Dissipation at 25°C P TOT Total Package Power Dissipation at 85°C T ...
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M5450, M5451 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 2) B ...
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Figure 5. CLOCK DATA DATA ENABLE Figure 7. V (V) O 3.2 2.8 2.4 2.0 1.6 1.2 0 85˚C amb 0 150˚C (max.) ˚ Figure 6. P tot 1.0 0.8 ...
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M5450, M5451 TYPICAL APPLICATIONS Figure 9. Basic Electronically Tuned Radio Or Tv System KEYBOARD Figure 10. Duplexing 8 Digits With One M5450 LED CLOCK IN DATA IN BRIGHTNESS CONTROL 6/ ...
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POWER DISSIPATION OF THE IC The power dissipation of the IC can be limited us- ing different configurations. Figure 11- In the application R must be chosen taking into account the worst operating conditions. Figure 11 ...
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M5450, M5451 PART NUMBERING Table 3. Order Codes Part Number M5450B7/M5451B7 M5451Q 8/12 Package PDIP40 PLCC44 Temperature Range - °C - °C ...
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PACKAGE MECHANICAL Table 4. PDIP40 - Mechanical Data Symbol Typ 0. 15 Figure 14. PDIP40 - Package Dimensions Note: Drawing is not to scale millimeters Min ...
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M5450, M5451 Table 5. PLCC44 - Mechanical Data Symbol Typ A 17.4 B 16.51 C 3.65 D 4 14. Figure 15. PLCC44 - Package Dimensions ...
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REVISION HISTORY Table 6. Revision History Date Revision September-1993 1 14-Mar-2004 2 Description of Changes First Issue Stylesheet update. No content change. M5450, M5451 11/12 ...
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... 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 ...