beautypg.com

Ricoh R5C841 User Manual

Page 68

background image

R5C841 PCI-CardBus/IEEE 1394/SD Card/Memory Stick/xD/ExpressCard Data Sheet

12345

2004

R

EV

. 1.10

5-15


Card Output
(VCC_ROUT= 1.65
~1.95V, VCC_3V=3.0~3.6V, Ta=0~70ºC)

Symbol Parameter

Min

Max

Unit

Note

CAD [31:0], CC/BE#[3:0], CPAR, CFRAME#, CDEVSEL#, CIRDY#, CTRDY#, CSTOP#, CPERR#,
CSERR#, CCLKRUN#, CGNT#

t12a

Valid delay time from CCLK

2

18

ns

Min: CL=0 pF

Max: CL=30 pF

t12b

Enable Time, Hi-Z to active delay from CCLK

2

ns

t12c

Disable Time, Active to Hi-Z delay from CCLK

28

ns

CardBus Interface Output Signals Timing

OUTPUT

t12b

0.325Vcc

0.475Vcc

0.4Vcc

0.4Vcc

t12c

CCLK

t12a(Max.)

t12a(Min.)

OUTPUT

CardBus Interface Output Signals Timing

Card Input
(VCC_ROUT=1.65
~1.95V, VCC_3V=3.0~3.6V, Ta=0~70ºC)

Symbol Parameter

Min

Max

Unit

Note

CAD [31:0], CC/BE#[3:0], CPAR, CFRAME#, CDEVSEL#, CIRDY#, CTRDY#, CSTOP#, CPERR#,
CSERR#, CCLKRUN#, CREQ#

t13a

Setup Time, Signal Valid before CCLK

7

ns

t13b

Hold Time, Signal Hold Time after CCLK High

0

ns

CardBus Interface Input Signals Timing

INPUT

0.4Vcc

0.325Vcc

0.475Vcc

t13a

CCLK

t13b

CardBus Input Signals Timing