Electrical Characteristics
8.4
AC Characteristics
1
Table 8-9.
Clock Timings (Sheet 1 of 2)
Unit
Sym
Parameter
Min
Max
Notes Figure
PCI Clock (PCICLK)
t1
t2
t3
t4
t5
Period
30
12
12
—
33.3
—
ns
ns
ns
ns
ns
8-1
8-1
8-1
8-1
8-1
High Time
Low Time
Rise Time
Fall Time
—
3
—
3
14 MHz Clock (CLK14)
t6
t7
Period
67
20
70
—
ns
ns
8-1
High Time
Low Time
8-1
t8
20
—
ns
8-1
t41
t42
Rising Edge Rate
Falling Edge Rate
1.0
1.0
4.0
4.0
V/ns
V/ns
5
5
48 MHz Clock (CLK48)
f
Operating Frequency
Frequency Tolerance
High Time
48.000
—
100
—
MHz
ppm
ns
1
clk48
t9
—
7
t10
t11
t12
t13
8-1
8-1
8-1
8-1
Low Time
7
—
ns
Rise Time
—
—
1.2
1.2
ns
Fall Time
ns
SMBus Clock (SMBCLK)
f
Operating Frequency
High time
10
4.0
4.7
—
100
50
KHz
μs
smb
t18
2
8-10
8-10
8-10
8-10
t19
t20
t21
Low time
—
μs
Rise time
1000
300
ns
Fall time
—
ns
HDA_BIT_CLK (Intel® High Definition Audio)
Operating Frequency 24.0 MHz
fHDA
Frequency Tolerance
—
—
100
300
ppm
ppm
Input Jitter (refer to Clock Chip
Specification)
t26a
t27a
t28a
High Time (Measured at 0.75 Vcc)
Low Time (Measured at 0.35 Vcc)
18.75
18.75
22.91
22.91
ns
ns
8-1
8-1
SATA Clock (SATA_CLKP, SATA_CLKN) / DMI Clock (DMI_CLKP, DMI_CLKN)
t36 Period 9.997 10.0533 ns
268
Datasheet
INTEL [ INTEL ]
