T80C251TB データシートの表示（PDF） - Intel

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T80C251TB

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Intel 

Contents

8xC251TB/TQ

HIGH-PERFORMANCE CHMOS Microcontroller

Commercial/Express

1.0 INTRODUCTION ......................................................................................................................................... 1

2.0 NOMENCLATURE ...................................................................................................................................... 2

3.0 PINOUT ....................................................................................................................................................... 4

4.0 SIGNALS ..................................................................................................................................................... 8

5.0 ADDRESS MAP .........................................................................................................................................11

6.0 ELECTRICAL CHARACTERISTICS ......................................................................................................... 12

6.1 D.C. Characteristics ........................................................................................................................... 12

6.2 Definition of AC Symbols ................................................................................................................... 14

6.3 A.C. Characteristics ........................................................................................................................... 14

6.3.1 External Bus Cycles, Nonpage Mode ..................................................................................... 18

6.3.2 External Bus Cycles, Page Mode ........................................................................................... 21

6.3.3 Definition of Real-Time Wait Symbols ..................................................................................... 24

6.3.4 External Bus Cycles, Real-Time Wait States .......................................................................... 24

6.4 AC Characteristics — Serial Port, Shift Register Mode ..................................................................... 28

6.5 External Clock Drive .......................................................................................................................... 29

7.0 THERMAL CHARACTERISTICS .............................................................................................................. 30

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