HD6432351 datasheet(747/1025 Pages) RENESAS

747 / 1025 page

Section 21 Electrical Characteristics

Rev. 3.00 Sep 15, 2006 page 713 of 988

REJ09B0330-0300

Condition A

Condition B

Item

Symbol

Min

Max

Min

Max

Unit

Test Conditions

Read data access

time 4

tACC4

—

2.5

tcyc –50

—

2.5

tcyc –25

Figure 21.8 to

Figure 21.15

Read data access

time 5

tACC5

—

3.0

tcyc –50

—

3.0

tcyc –25

WR delay time 1

tWRD1

—

WR delay time 2

tWRD2

—

WR pulse width 1

tWSW1

1.0

tcyc –40

—

1.0

tcyc –20

—

WR pulse width 2

tWSW2

1.5

tcyc –40

—

1.5

tcyc –20

—

Write data delay time tWDD

—

Write data setup time tWDS

0.5

tcyc –40

—

0.5

tcyc –20

—

Write data hold time

tWDH

0.5

tcyc –20

—

0.5

tcyc –10

—

WR setup time

tWCS

0.5

tcyc –20

—

0.5

tcyc –10

—

WR hold time

tWCH

0.5

tcyc –20

—

0.5

tcyc –10

—

CAS setup time

tCSR

0.5

tcyc –20

—

0.5

tcyc –10

—

Figure 21.12

WAIT setup time

tWTS

—

Figure 21.10

WAIT hold time

tWTH

—

BREQ setup time

tBRQS

—

Figure 21.16

BACK delay time

tBACD

—

Bus-floating time

tBZD

—

100

—

BREQO delay time

tBRQOD

—

Figure 21.17

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