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AUTOMOTIVE 80C51FA/83C51FA

270501±7

I

CC

Max at other frequencies is given by:

Active Mode

I

CC

Max

e

(3

c

Osc Freq)

a

4

Idle Mode

I

CC

Max

e

(0.49

c

Osc Freq)

a

1.6

Where Osc Freq is in MHz, I

CC

is in mA.

Figure 6. I

CC

vs Frequency

270501±8

TCLCH

e

TCHCL

e

5 ns

Figure 7. I

CC

Test Condition, Active Mode

All other pins disconnected.

270501±9

TCLCH

e

TCHCL

e

5 ns

Figure 8. I

CC

Test Condition Idle Mode.

All other pins disconnected.

270501±10

Figure 9. I

CC

Test Condition,

Power Down Mode.

All other pins disconnected.

V

CC

e

2.0V to 5.5V.

270501±11

Figure 10. Clock Signal Waveform for I

CC

Tests in Active and Idle Modes. TCLCH

e

TCHCL

e

5 ns.

9

Содержание 80C51FA

Страница 1: ...Power Down Modes Y ONCE On Circuit Emulation Mode Y Available in PLCC and PDIP Packages See Packaging Specification Order 231369 Y Available in 12 MHz and 16 MHz Versions MEMORY ORGANIZATION PROGRAM M...

Страница 2: ...AUTOMOTIVE 80C51FA 83C51FA 270501 1 Figure 1 83C51FA Block Diagram 2...

Страница 3: ...are guaranteed over the temperature range of 40 C to 85 C ambient For the automo tive temperature range option operational charac teristics are guaranteed over the temperature range of 40 C to 125 C...

Страница 4: ...l features of the 83C51FA Port Pin Alternate Function P1 0 T2 External Count Input to Timer Counter 2 P1 1 T2EX Timer Counter 2 Capture Reload Trigger and Direction Control P1 2 ECI External Count Inp...

Страница 5: ...ead strobe to external Program Memory When the 83C51FA is executing code from external Program Memory PSEN is activated twice each ma chine cycle except that two PSEN activations are skipped during ea...

Страница 6: ...is serviced the next instruction to be executed after RETI will be the one following the instruction that put the device into Power Down DESIGN CONSIDERATION When the Idle mode is terminated by a har...

Страница 7: ...is not recommended and ex tended exposure beyond the Operating Conditions may affect device reliability DC CHARACTERISTICS TA e b40 C to a125 C VCC e 5V g10 VSS e 0V Symbol Parameter Min Typ Max Unit...

Страница 8: ...pFs the noise pulse on the ALE signal may exceed 0 8V In these cases it may be desirable to qualify ALE with a Schmitt Trigger or use an Address Latch with a Schmitt Trigger Strobe input 2 Capacitive...

Страница 9: ...s Frequency 270501 8 TCLCH e TCHCL e 5 ns Figure 7 ICC Test Condition Active Mode All other pins disconnected 270501 9 TCLCH e TCHCL e 5 ns Figure 8 ICC Test Condition Idle Mode All other pins disconn...

Страница 10: ...h 127 2TCLCLb40 ns TAVLL Address Valid to ALE Low 43 TCLCLb40 ns TLLAX Address Hold After ALE Low 53 TCLCLb30 ns TLLIV ALE Low to Valid Instruction In 224 4TCLCLb110 ns TLLPL ALE Low to PSEN Low 53 TC...

Страница 11: ...AUTOMOTIVE 80C51FA 83C51FA EXTERNAL PROGRAM MEMORY READ CYCLE 270501 12 EXTERNAL DATA MEMORY READ CYCLE 270501 13 EXTERNAL DATA MEMORY WRITE CYCLE 270501 14 11...

Страница 12: ...etup to Clock 700 10TCLCLb133 ns Rising Edge TXHQX Output Data Hold after 50 2TCLCLb117 ns Clock Rising Edge TXHDX Input Data Hold After Clock 0 0 ns Rising Edge TXHDV Clock Rising Edge to Input 700 1...

Страница 13: ...RST pin is now RESET pin 3 RST pin description is now RESET pin description 4 Figure 6 ICC vs Frequency has been corrected to show test conditions 5 ICC Max spec has been corrected 6 A C Characterist...

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