R5F36CAMNFB datasheet(71/100 Pages) RENESAS

71 / 100 page

R01DS0034EJ0210 Rev.2.10

Page 71 of 96

Jul 31, 2012

M16C/6C Group

5. Electrical Characteristics

VCC1 = VCC2 = 5 V

5.2.4

Switching Characteristics (Memory Expansion Mode and Microprocessor

Mode)

(VCC1 = VCC2 = 5 V, VSS = 0 V, at Topr = -20°C to 85°C/-40°C to 85°C unless otherwise specified)

5.2.4.1

In No Wait State Setting

Notes:

Calculated according to the BCLK frequency as follows:

f(BCLK) is 12.5 MHz or less.

Calculated according to the BCLK frequency as follows:

This standard value shows the timing when the output is off, and does not

show hold time of data bus.

Hold time of data bus varies with capacitor volume and pull-up (pull-down)

resistance value.

Hold time of data bus is expressed in

t =

−CR × ln(1−V

OL/VCC2)

by a circuit of the right figure.

For example, when VOL = 0.2VCC2, C = 30 pF, R = 1 kΩ, hold time of output

low level is

t =

−30 pF × 1 kΩ × In(1 − 0.2V

CC2/VCC2)

= 6.7 ns.

Table 5.37

Memory Expansion Mode and Microprocessor Mode (in No Wait State Setting)

Symbol

Parameter

Measuring

Condition

Standard

Unit

Min.

Max.

td(BCLK-AD)

Address output delay time

See

Figure 5.17

th(BCLK-AD)

Address output hold time (in relation to BCLK)

0ns

th(RD-AD)

Address output hold time (in relation to RD)

0ns

th(WR-AD)

Address output hold time (in relation to WR)

(Note 2)

td(BCLK-CS)

Chip select output delay time

th(BCLK-CS)

Chip select output hold time (in relation to BCLK)

0ns

td(BCLK-ALE)

ALE signal output delay time

th(BCLK-ALE)

ALE signal output hold time

−4ns

td(BCLK-RD)

RD signal output delay time

th(BCLK-RD)

RD signal output hold time

0ns

td(BCLK-WR)

WR signal output delay time

th(BCLK-WR)

WR signal output hold time

0ns

td(BCLK-DB)

Data output delay time (in relation to BCLK)

th(BCLK-DB)

Data output hold time (in relation to BCLK) (3)

0ns

td(DB-WR)

Data output delay time (in relation to WR)

(Note 1)

th(WR-DB)

Data output hold time (in relation to WR) (3)

(Note 2)

0.5

BCLK

()

----------------------40 ns

[]

–

0.5

BCLK

()

----------------------10 ns

[]

–

DBi

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