3 ac characteristics, 1 pci interface signals – Ricoh R5C841 User Manual
Page 60

R5C841 PCI-CardBus/IEEE 1394/SD Card/Memory Stick/xD/ExpressCard Data Sheet
12345
2004
R
EV
. 1.10
5-7
5.3 AC Characteristics
5.3.1 PCI Interface signals
PCI Clock
(VCC_ROUT= 1.65~1.95V, VCC_PCI3V=3.0~3.6V, Ta=0~70ºC)
Symbol Parameter
Min
Max
Unit
Note
PCICLK
t1a
Cycle Time, PCICLK
30
ns
t1b
Pulse Width Duration, PCICLK High
11
ns
t1c
Pulse Width Duration, PCICLK Low
11
ns
t1d
Slew Rate, PCICLK Rising Edge
1
4
V/ns
t1e
Slew Rate, PCICLK Falling Edge
1
4
V/ns
PCICLK Timing
PCICLK
*5V Signaling ( 3.3V Signaling)
(0.4Vcc p-to-p Min.)
*2.0V p-to-p Min.
*0.8V(0.3Vcc)
*2.0V(0.5Vcc)
t1b
t1d
t1e
t1c
t1a
PCICLK Timing
PCI Reset
(VCC_ROUT= 1.65~1.95V, VCC_PCI3V=3.0~3.6V, Ta=0~70ºC)
Symbol Parameter
Min
Max
Unit
Note
PCIRST#
t2a
Pulse Duration, PCIRST#
1
ms
t2b
Setup Time, PCICLK active at PCIRST# Negation
100
µ
s
PCI Reset Timing
PCIRST#
t2b
t2a
PCICLK
PCI Reset Timing