Toshiba TMPR4925, Manual

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Chapter 22 Electrical Characteristics
22-7
22.5.5 PCI Interface AC Characteristics (33 MHz)
(Tc = 0 ~ 70
°
C, V
CCIO
= 3.3 V
±
0.3 V, V
CCInt
= 1.5 V
±
0.1 V, V
SS
= 0 V)
Parameter Symbol Rating Min. Max. Unit
PCICLKIO Cycle time (33 MHz) t
CYC33
30 40 ns
PCICLKIO High time (33 MHz) t
HIGH33
11
⎯
ns
PCICLKIO Low time (33 MHz) t
LOW33
11
⎯
ns
PCICLKIO Through rate (33 MHz) t
SLEW33
1 4 V/ns
PCICLK[2:1],PCICLKIO Cycle time (33 MHz) t
CYC33
C
L
=70 pF 30 40 ns
PCICLK[2:1],PCICLKIO High time (33 MHz) t
HIGH33
C
L
=70 pF 11
⎯
ns
PCICLK[2:1],PCICLKIO Low time (33 MHz) t
LOW33
C
L
=70 pF 11
⎯
ns
PCICLK[2:1],PCICLKIO Skew (33 MHz) t
SKEW
C
L
=70 pF, point to point connection 0 T.B.D ns
PCI output signal
(
*
1)
Output delay t
VAL33
C
L
=70 pF 2 11 ns
PCI input signal
(
*
2)
Input set-up time t
SU33
8
⎯
ns
PCI input signal
(
*
2)
Input set-up time t
HO33
0.5
⎯
ns
ID_SEL, REQ[0]
*
, GNT[3:0]
*
Output delay
t
VALPP33
C
L
=70 pF, point to point connection 2 12 ns
ID_SEL, REQ[3:0] * , GNT[0] *
Input set-up time
t
SUPP33
point to point connection 10
⎯
ns
ID_SEL, REQ[3:0] * , GNT[0] *
I nput hold time
t
HOPP33
point to point connection 0
⎯
ns
*
1: PCIAD[31:0],C_BE[3:0],PAR,FRAME
*
,IRDY
*
,TRDY
*
,STOP
*
,DEVSEL
*
,PERR
*
,SERR
*
,
* 2: PCIAD[31:0],C_BE[3:0],PAR,FRAME * ,IRDY * ,TRDY * ,STOP * ,DEVSEL * ,PERR * ,SERR * ,ID_SEL
t
L O W 3 3
t
H IG H 3 3
t
C Y C 3 3
0 .4 V c c
0 .5 V c c
0 .3 V c c
0 .6 V c c
0 .2 V c c
0 .4 V c c p -to -p
(m in im u m )
( V c c = 3 .3 V )
t
s u 3 3
/ t
S U P P 3 3
t
H O 3 3
/ t
H O P P 3 3
t
V A L 3 3
/ t
V A L P P 3 3
IN P U T
O U T P U T
in p u ts v a lid
o u tp u ts v a lid
t
S L E W 3 3
P C IC L K IO
Figure 22.5.6 Timing Diagrams: PCI Interface (3.3V)