Ricoh R5C841 - Manual (Page 67)

R5C841 PCI-CardBus/IEEE 1394/SD Card/Memory Stick/xD/ExpressCard Data Sheet
12345  2004 R EV . 1.10 5-14
5.3.4 CardBus PC Card Interface signals
Clock and Signal Slew Rate
(VCC_ROUT= 1.65~1.95V, VCC_3V=3.0~3.6V, Ta=0~70ºC)
Symbol Parameter Min Max Unit Note
CCLK
t10a Cycle Time, CCLK 30 ns
t10b Pulse Width Duration, CCLK High 12 ns
t10c Pulse Width Duration, CCLK Low 12 ns
t10d Slew Rate, CCLK Rising Edge 1 4 V/ns
t10e Slew Rate, CCLK Falling Edge 1 4 V/ns
Other CardBus Signals
t10f Slew Rate, Rising Edge 0.25 1 V/ns
t10g Slew Rate, Falling Edge 0.25 1 V/ns
CCLK Timing and CardBus Signals Slew Rate
CCLK
0.325Vcc
0.4Vcc
0.475Vcc
t10b t10c
t10a
Other CardBus
Signals 0.325Vcc
0.475Vcc
t10f t10g
t10d t10e
CCLK Timing and CardBus Slew Rate
Card Reset
(VCC_ROUT= 1.65~1.95V, VCC_3V=3.0~3.6V, Ta=0~70ºC)
Symbol Parameter Min Max Unit Note
CRST#
t11a Pulse Duration, CRST# 1 ms
t11b Setup Time, CCLK active at CRST# Negation 100 µ s
CardBus Reset Timing
CRST#
t11b
t11a
CCLK
CardBus Reset Timing