Toshiba TX49 TMPR4937, Manual

Page: 515 / 553

Chapter 21 Electrical Characteristics
21-9
21.5.5 PCI Interface AC characteristics (66 MHz)
(Tc = 0 – 70
°
C, V
CCIO
= 3.3 V
±
0.2 V, V
CCInt
= 1.5 V
±
0.1 V, V
SS
= 0 V)
Item Symbol Conditions Min. Max. Unit
PCICLKIN Cycle Time (66 MHz)
t
CYC66
15 30 ns
PCICLKIN High Time (66 MHz)
t
HIGH66
6
⎯
ns
PCICLKIN Low Time (66 MHz)
t
LOW66
6
⎯
ns
PCICLKIN Slew Rate (66 MHz)
t
SLEW66
1.5 4 V/ns
PCICLK[5:0] Cycle Time (66 MHz)
t
CYCO66
C
L
=50 pF 15 30 ns
PCICLK[5:0] High Time (66 MHz)
t
HIGHO66
C
L
=50 pF 6
⎯
ns
PCICLK[5:0] Low Time (66 MHz)
t
LOWO66
C
L
=50 pF 6
⎯
ns
PCICLK[5:0] Skew (66 MHz)
t
SKEW
C
L
=50 pF, point to point connect 0 1 ns
PCI Output Signal
*
1)
Output Delay
t
VAL66
C
L
=30 pF 2 8 ns
PCI Input Signal
*
2)
Input Setup Time
t
SU66
3
⎯
ns
PCI Input Signal
*
2)
Input Hold Time
t
HO66
0.5
⎯
ns
ID_SEL, REQ[0] * , GNT[3:0] *
Output Delay
t
VALPP66
C
L
=30 pF, point-to-point connect 2 8 ns
ID_SEL, REQ[3:0]
*
, GNT[0]
*
Input Setup Time
t
SUPP66
Point-to-point connection 5
⎯
ns
ID_SEL, REQ[3:0] * , GNT[0] *
Input Hold Time
t
HOPP66
Point-to-point connection 0
⎯
ns
* 1) PCIAD[31:0], C_BE[3:0], PAR, FRAME * , IRDY * , TRDY * , STOP * , DEVSEL * , PERR * , SERR * ,
M66EN, and PME *
*
2) PCIAD[31:0] , C_BE[3:0] , PAR, FRAME
*
, IRDY
*
, TRDY
*
, STOP
*
, DEVSEL
*
, PERR
*
, SERR
*
,
M66EN, PME * , LOCK * , and ID_SEL
21.5.6 PCI Interface AC characteristics (33 MHz)
(Tc = 0 – 70
°
C, V
CCIO
= 3.3 V
±
0.2 V, V
CCInt
= 1.5 V
±
0.1 V, V
SS
= 0 V)
Item Symbol Condition Min. Max. Unit
PCICLKIN Cycle Time (33 MHz) t
CYC33
30 40 ns
PCICLKIN High Time (33 MHz)
t
HIGH33
11
⎯
ns
PCICLKIN Low Time (33 MHz)
t
LOW33
11
⎯
ns
PCICLKIN Slew Rate (33 MHz)
t
SLEW33
1 4 V/ns
PCICLK[5:0] Cycle Time (33 MHz)
t
CYC33
C
L
=70 pF 30 40 ns
PCICLK[5:0] High Time (33 MHz)
t
HIGH33
C
L
=70 pF 11
⎯
ns
PCICLK[5:0] Low Time (33 MHz)
t
LOW33
C
L
=70 pF 11
⎯
ns
PCICLK[5:0] Skew (33 MHz)
t
SKEW
C
L
=70 pF, point to point connect 0 2 ns
PCI Output Signal
*
1)
Output Delay
t
VAL33
C
L
=70 pF 2 11 ns
PCI Input Signal
*
2)
Input Setup Time
t
SU33
7
⎯
ns
PCI Input Signal
*
2)
Input Hold Time
t
HO33
0.5
⎯
ns
ID_SEL, REQ[0] * , GNT[3:0] *
Output Delay
t
VALPP33
C
L
=70 pF, point to point connect 2 12 ns
ID_SEL, REQ[3:0] * , GNT[0] *
Input Setup Time
t
SUPP33
point to point connct 10
⎯
ns
ID_SEL, REQ[3:0] * , GNT[0] *
Input Hold Time
t
HOPP33
point to point connect 0
⎯
ns
* 1) PCIAD[31:0], C_BE[3:0] , PAR, FRAME * , IRDY * , TRDY * , STOP * , DEVSEL * , PERR * , SERR * ,
M66EN, and PME *
* 2) PCIAD[31:0] , C_BE[3:0] , PAR, FRAME * , IRDY * , TRDY * , STOP * , DEVSEL * , PERR * , SERR * ,
M66EN, PME * , LOCK * , and ID_SEL