MB89990 Просмотр технического описания (PDF) - Fujitsu

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производитель

MB89990

8-bit Proprietary Microcontroller

Fujitsu 

MB89990 Series

(5) Peripheral Input Timing

Parameter

Peripheral input “H” pulse width 1

Peripheral input “L” pulse width 1

Symbol

tILIH1

tIHIL1

(VCC = 5.0 V±10%, VSS = 0.0 V, TA = –40°C to +85°C)

Pin name

Value

Unit Remarks

Min. Max.

EC, INT10 to INT12,

INT20 to INT27

2 tinst*

—

µs

2 tinst*

—

µs

* : For information on tinst, see “(4) Instruction Cycles.”

• Peripheral Input Timing Diagram

EC

INT10 to INTR

INT20 to INT27

t IHIL

0.2 VCC

t ILIH

0.8 VCC

0.2 VCC

0.8 VCC

Parameter

Peripheral input “H” noise

limit width

Peripheral input “L” noise

limit width

Symbol

tIHNC

tILNC

(VCC = 5.0 V±10%, VSS = 0.0 V, TA = –40°C to +85°C)

Pin name

Value

Unit Remarks

Min. Typ. Max.

EC,

INT10 to INT12

7

15 23 ns

EC, INT10 to INT12,

INT20 to INT27

7

15 23 ns

• Peripheral Input Timing Diagram

EC

INT10 to INT12

t ILNC

0.2 VCC

t IHNC

0.8 VCC

0.2 VCC

0.8 VCC

28

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