MB90F334APMC datasheet(55/72 Pages) FUJITSU

55 / 72 page

MB90330A Series

DS07-13734-7E

(11) Bus write timing

(VCC

= AVCC = 3.3 V ± 0.3 V, VSS = AVSS = 0.0 V, TA = 0 °C to + 70 °C)

Note : tCP : Refer to “ (1) Clock input timing”.

Parameter

Symbol

Pin name

Conditions

Value

Unit

Remarks

Min

Max

Valid address

→WR↓

time

tAVWL

Address,

⎯

tCP

− 15

⎯

WR pulse width

tWLWH

WRL, WRH

⎯

3 tCP

/2 − 25

⎯

At fcp

= 24 MHz

⎯

3 tCP

/2 − 20

⎯

At fcp

= 12 MHz

Valid data output

→WR↑

time

tDVWH

Data, WR

⎯

3 tCP

/2 − 15

⎯

↑→data hold time

tWHDX

WR,

Data

⎯

At fcp

= 24 MHz

⎯

At fcp

= 12 MHz

⎯

At fcp

= 6 MHz

↑→address valid time

tWHAX

WR,

Address

⎯

tCP

/2 − 10

⎯

↑→ALE↑time

tWHLH

WR, ALE

⎯

tCP

/2 − 15

⎯

↓→CLK↑time

tWLCH

WR, CLK

⎯

tCP

/2 − 17

⎯

(WRL, WRH)

0.8 V

2.4 V

0.8 V

2.4 V

0.8 V

2.4 V

CLK

ALE

A23 to A16

AD15 to AD00

tWHLH

tAVWL

tDVWH

tWLWH

tWHAX

tWHDX

tWLCH

0.8 V

2.4 V

0.8 V

2.4 V

A23 to A00

D15 to D00

tWHAX

tWHDX

0.8 V

2.4 V

0.8 V

2.4 V

0.8 V

2.4 V

0.8 V

2.4 V

Address

Write data

In multiplex mode

In non-multiplex mode

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