MB90F482 datasheet(109/120 Pages) FUJITSU

номер детали	MB90F482

подробное описание детали	16-bit Proprietary Microcontroller

PDF	120 Pages

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производитель	FUJITSU [fujitsu semiconductor]

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109 / 120 page

MB90480/485 Series

109

(16) Chip Select Output Timing

(VCC

= 2.7 V to 3.6 V, VSS = 0.0 V, TA = −40 °C to +85 °C)

* : tCP is internal operating clock cycle time. Refer to “ (1) Clock Timing”.

Note : Due to the configuration of the internal bus, the chip select output signals are changed simultaneously and

therefore may cause the bus conflict conditions. AC cannot be warranted between the ALE output signal

and the chip select output signal.

Parameter

Sym-

bol

Pin name

Condi-

tions

Value

Unit

Remarks

Min

Max

Chip select output valid time

→RD↓

tSVRL

CS0 to CS3,

⎯

tCP*

/ 2 − 7

⎯

Chip select output valid

time

→WR↓

tSVWL

CS0 to CS3,

WRH, WRL

⎯

tCP*

/ 2 − 7

⎯

↑→chip select output valid

time

tRHSV

RD,

CS0 to CS3

⎯

tCP*

/ 2 − 17

⎯

↑→chip select output

valid time

tWHSV

WRH, WRL,

CS0 to CS3

⎯

tCP*

/ 2 − 17

⎯

tSVRL

tSVWL

tWHSV

tRHSV

0.8 V

2.4 V

0.8 V

A23 to A16

CS0 to CS3

D15 to D00

WRH, WRL

D15 to D00

Read data

Write data

Unde-

fined

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