HD6432142 datasheet(894/1177 Pages) RENESAS

894 / 1177 page

Section 26 Electrical Characteristics

Rev. 4.00 Sep 27, 2006 page 850 of 1130

REJ09B0327-0400

(3) Bus Timing

Table 26.36 shows the bus timing. Operation in external expansion mode is not guaranteed when

operating on the subclock (

φ = 32.768 kHz).

Table 26.36 Bus Timing (1) (Nomal mode)

Condition A: V

CC = 5.0 V ±10%, VCCB = 5.0 V ±10%, VSS = 0 V, φ = 2 MHz to maximum

operating frequency, T

a = –20 to +75°C

Condition B: V

CC = 3.0 V to 5.5 V, VCCB = 3.0 V to 5.5 V, VSS = 0 V, φ = 2 MHz to maximum

operating frequency, T

a = –20 to +75°C

Condition A

Condition B

20 MHz

10 MHz

Item

Symbol

Min

Max

Min

Max

Unit

Test

Conditions

Address

delay time

—

Address

setup time

0.5

cyc –15

—0.5

cyc –30

—ns

Figure 26.10

figure 26.14

Address

hold time

0.5

cyc –10

—0.5

cyc –20

—ns

CS delay

time (

IOS)

CSD

—

AS delay

time

ASD

—

RD delay

time 1

RSD1

—

RD delay

time 2

RSD2

—

Read data

setup time

RDS

—

Read data

hold time

RDH

0—

—

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