32186 datasheet(955/1032 Pages) RENESAS

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ELECTRICAL CHARACTERISTICS

23-39

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

23.9 A.C. Characteristics (when VCCE = 5 V)

(17) NBD timing

Symbol

Parameter

Measurement

Rated Value

Unit

See Fig.

Condition

MIN

MAX

23.9.19

tc(NBDCLK)

NBDCLK Input Cycle Time

[103]

tw(NBDCLKL)

NBDCLK Input "L" Pulse Width

[104]

tsu(NBDD-NBDCLKH)

NBDD Input Setup Time

[107]

before NBDCLK

th(NBDCLKH-NBDD)

NBDD Input Hold Time

[108]

after NBDCLK

tsu(NBDSYNCL-NBDCLKH)

NBDSYNC# Input Setup Time

[109]

before NBDCLK

th(NBDCLKH-NBDSYNCL)

NBDSYNC# Input Hold Time

CL=100pF

[110]

after NBDCLK

td(NBDCLKH-NBDD)

NBDD Output Delay Time

CL=100pF

tc(NBDCLK)-20

[105]

after NBDCLK

tpzx(NBDCLKH-NBDDZ)

NBDD Output Enable Time

CL=100pF

[130]

after NBDCLK

tv(NBDCLKH-NBDD)

NBDD Output Valid Time

CL=100pF

[106]

after NBDCLK

tpxz(NBDCLKH-NBDDZ)

NBDD Output Disable Time

CL=100pF

[131]

after NBDCLK

tw(NBDEVNTL)

NBDEVNT# Output

CL=100pF

[111]

"L" Pulse Width

Figure 23.9.19 NBD Timing

[103] tc(NBDCLK)

[104] tw(NBDCLKL)

[106] tv(NBDCLKH-NBDD)

[110] th(NBDCLKH-NBDSYNCL)

[111] tw(NBDEVNTL)

[109] tsu(NBDSYNCL-NBDCLKH)

[107] tsu(NBDD-NBDCLKH)

[105] td(NBDCLKH-NBDD)

0.8VCCE

0.2VCCE

[108] th(NBDCLKH-NBDD)

0.8VCCE

0.2VCCE

0.8VCCE

0.2VCCE

0.8VCCE

0.2VCCE

0.8VCCE

0.2VCCE

0.8VCCE

[130] tpzx(NBDCLKH-NBDDZ)

[131] tpxz(NBDCLKH-NBDDZ)

NBDCLK

(input)

NBDD0-3

(output)

NBDSYNC#

(input)

NBDEVNT#

(output)

NBDD0-3

(input)

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