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specifications AUTOMOTIVE 80C51FA/83C51FA, 83C51FA Block Diagram
Models:
80C51FA
83C51FA
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Oscillator Characteristics
83C51FA Block Diagram
Datasheet Revision History
External Clock Drive Configuration
signal may exceed 0.8V. In these cases, it may be desirable to qualify ALE with a Schmitt Trigger, or use an Address Latch
Temperature Options
Symbol
ICC Test Condition Power Down Mode
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AUTOMOTIVE 80C51FA/83C51FA
270501 ±1
Figure 1. 83C51FA Block Diagram
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Contents
Automotive
MEMORY ORGANIZATION
80C51FA/83C51FA EVENT-CONTROL CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
Figure 1. 83C51FA Block Diagram
AUTOMOTIVE 80C51FA/83C51FA
Figure 2. MCS 51 Microcontroller Product Family Nomenclature
80C51FA/83C51FA PRODUCT OPTIONS
Table 1. Temperature Options
Port Pin
PIN DESCRIPTIONS
Diagrams are for pin reference only. Package sizes are not to scale
Alternate Function
Alternate Function
OSCILLATOR CHARACTERISTICS
Port Pin
Figure 4. Oscillator Connections
DESIGN CONSIDERATION
POWER DOWN MODE
IDLE MODE
ONCE MODE
Parameter
Symbol
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
signal may exceed 0.8V. In these cases, it may be desirable to qualify ALE with a Schmitt Trigger, or use an Address Latch
Unit
All other pins disconnected VCC e 2.0V to
Figure 7. ICC Test Condition, Active Mode All other pins disconnected
Figure 9. ICC Test Condition Power Down Mode
Figure 6. ICC vs Frequency
EXPLANATION OF THE AC SYMBOLS
EXTERNAL MEMORY CHARACTERISTICS
EXTERNAL DATA MEMORY WRITE CYCLE
EXTERNAL PROGRAM MEMORY READ CYCLE
EXTERNAL DATA MEMORY READ CYCLE
AUTOMOTIVE 80C51FA/83C51FA
EXTERNAL CLOCK DRIVE
SERIAL PORT TIMING-SHIFT REGISTER MODE
SHIFT REGISTER MODE TIMING WAVEFORMS
EXTERNAL CLOCK DRIVE WAVEFORM
FLOAT WAVEFORMS
DATASHEET REVISION HISTORY
AC TESTING INPUT, OUTPUT WAVEFORMS
