80C251SB16 Ver la hoja de datos (PDF) - Intel

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80C251SB16

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Intel 

8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER

6.0 THERMAL CHARACTERISTICS

All thermal impedance data is approximate for static

air conditions at 1 watt of power dissipation. Values

change depending on operating conditions and

application requirements. The Intel Packaging

Handbook (order number 240800) describes Intel’s

thermal impedance test methodology.

Table 16. Thermal Characteristics

Package Type

44-pin PLCC

θJA

46°C/W

θJC

16°C/W

40-pin PDIP

45°C/W

16°C/W

40-pin Ceramic DIP 30.5°C/W

10°C/W

7.0 NONVOLATILE MEMORY PROGRAMMING AND VERIFICATION

CHARACTERISTICS

7.1 Definition of Nonvolatile Memory Symbols

Table 17. Nonvolatile Memory Timing Symbol Definitions

Signals

A Address

D Data In

Q Data Out

S Supply

G PROG#

E Enable

Conditions

H High

L Low

V Valid

X No Longer Valid

Z Floating

33

PRELIMINARY

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