C9830
133 MHz Clock Generator for Intel 820 Chipset
Preliminary
DC Parameters (VDD = 3.3V ±5%, VDDCPU = VDDIO = 2.5 ± 5%, TA = 0°C to +70°C)
Characteristic
Symbol Min
Typ
Max
Units
Vdc
Vdc
µA
Conditions
Input Low Voltage
VIL2
VIH2
IIL
-
-
-
.9
SDATA, SCLK
Input High Voltage
2.5
5.3
-5
SDATA, SCLK
Pull up
Input Low Current (@VIL = VSS)
Input High Current (@VIL = VDD)
Tri-State leakage Current
Dynamic Supply Current
Dynamic Supply Current
Static Supply Current
IIH
5
µA
Pull up
Ioz
-
-
-
-
-
-
-
-
10
130
30
10
µA
Idd3.3V
Idd2.5V
Isdd
mA
mA
mA
133MHz
13MHz
-
AC Parameters (VDD = 3.3V ±5%, VDDCPU = VDDI O= 2.5 ± 5%, TA = 0°C to +70°C)
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Output Duty Cycle
-
45
50
55
%
Measured at 1.5V for 3.3V signals
Measured at 1.25V for 2.5 Volt signals
Skew (CPU0-CPU1)
CPU to 3V66 Skew
3V66 to PCI Skew
CPU to IOAPIC Skew
Skew (PCI-PCI)
tSKEW1
tSKEW3
tSKEW4
tSKEW5
tSKEW2
∆P
-
0
-
-
-
-
-
-
250
1.5
4
ps
ns
ns
ns
ps
ps
see note 1
CPU leads
3V66 leads
CPU leads
see note 1
see note 2
1.5
1.5
-
4
500
+250
-
∆Period Adjacent Cycles
Note 1: All outputs loaded as per table 4 below. Probes are placed on the pins and taken at 1.5V levels.
Note 2: This measurement is applicable with Spread Spectrum ON or OFF.
Output name
Max Load (in pF)
CPU(0:2), IOAPIC(0:2)
PCI(0:9), 3V66
48 MHz, 24/48MHz, HDREF
20
30
20
Table 4.
Note:
All Buffer characterization data is specified with all outputs connected to those rated loads simultaneously.
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST
MILPITAS, CA 95035, USA TEL: 408-263-6300. FAX 408-263-6571
http://www.imicorp.com/
Rev 1.1
4/25/2000
Page 10 of 14
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