Ricoh R5C841 User Manual
Page 61
R5C841 PCI-CardBus/IEEE 1394/SD Card/Memory Stick/xD/ExpressCard Data Sheet
12345
2004
R
EV
. 1.10
5-8
PCI Interface Output Signals
(VCC_ROUT= 1.65~1.95V, VCC_PCI3V=3.0~3.6V, Ta=0~70ºC)
Symbol Parameter Min
Max
Unit
Note
AD [31:0], C/BE#[3:0], PAR, FRAME#, DEVSEL#, IRDY#, TRDY#, STOP#, PERR#, SERR#, CLKRUN#
t3a
Shared Signal Valid delay time from PCICLK
2
11
ns
Min: CL=0 pF
Max: CL=50 pF
(10 pF 3.3v)
t3b
Enable Time, Hi-Z to active delay from PCICLK
2
ns
t3c
Disable Time, Active to Hi-Z delay from PCICLK
28
ns
REQ#
t3d
Point to Point Signal Valid delay time from PCICLK
2
12
ns
Min: CL=0 pF
Max: CL=50 pF
(10 pF 3.3v)
PCI Output Signals Timing
OUTPUT
(Shared or ptp)
t3b
t3c
*5.0V Signaling(3.3V Signaling)
*1.5V(0.285Vcc:Rise Edge, 0.615Vcc:Fall Edge)
*1.5V(0.4Vcc)
PCICLK
t3a(Shared), t3d(ptp)
OUTPUT
PCI Output Signals Timing
PCI Interface Input Signals
(VCC_ROUT= 1.65~1.95V, VCC_PCI3V=3.0~3.6V, Ta=0~70ºC)
Symbol Parameter
Min
Max
Unit
Note
AD [31:0], C/BE#[3:0], PAR, FRAME#, DEVSEL#, IRDY#, TRDY#, STOP#, IDSEL, PERR#, SERR#,
CLKRUN#
t4a
Setup Time, Shared Signal Valid before PCICLK
7
ns
t4b
Hold Time, Shared Signal Hold Time after PCICLK High
0
ns
GNT#
t4c
Setup Time, Point to Point Signal Valid before PCICLK
10
ns
PCI Input Signals Timing
INPUT
t4c (ptp)
t4a (Shared)
*5.0V Signaling(3.3V Signaling)
*1.5V(0.4Vcc)
*1.5V(0.4Vcc)
PCICLK
t4b
PCI Input Signals Timing