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C9806I
I
2C Frequency Clock Generator for Mobile Pentium II Applications.
Preliminary
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.0
4/25/2000
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 10 of 14
http://www.imicorp.com
AC Parameters
Characteristic
Symbol
Mi
n
Typ
Max
Units
Conditions
Output Duty Cycle
-
45
50
55
%
Note 1,
CPU to PCI Offset
tOFF
1
-
4
nS
Note 1
Skew: (CPU-CPU), (PCI-PCI),
(SDRAM-SDRAM)
tSKEW1
-
175
pS
Note 1
Period Adjacent Cycles
P
-
250
pS
Note 1
VDD = VDDP = VDDF = VDDR = VDDA = 3.3V
± 5%, VDDC = 2.5 ± 5%, TA = 0C to +70C
Note 1: All outputs are loaded as per Table 5. CPU (0:1) outputs are measured at 1.25V.
SDRAM (FB, 0:5), PCI (F, 0:5), REF (0:2), 24/48M outputs are measured at 1.5V.
Signal Name
Load, (max), pF
CPU(0:1), 24/48mhz, REF(0:2)
20
SDRAM(FB,0:5), PCI(_F,0:5)
30
Table 5
Buffer Characteristics for CPU (0:1),
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH1
-15
-
mA
Vout =VDDC - 0.5V
Pull-Up Current
IOH2
-30
-
mA
Vout = VDDC/2
Pull-Down Current
IOL1
12
-
mA
Vout = 0.4 V
Pull-Down Current
IOL2
24
-
mA
Vout = VDDC/2
Rise/Fall Time, @ 0.4V-2.0V
Tr, Tf
0.4
-
1.3
nS
Note1
Buffer Characteristics for PCI(0:5, _F)
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH1
-14
-
mA
Vout =VDD - 0.5V
Pull-Up Current
IOH2
-35
-
mA
Vout = VDD/2
Pull-Down Current
IOL1
13
-
mA
Vout = 0.4 V
Pull-Down Current
IOL2
40
-
mA
Vout = VDD/2
Rise/Fall Time, @ 0.4V-2.4V
Tr, Tf
0.4
-
2
nS
Note1
Buffer Characteristics for 24/48 MHz , REF(0:2)
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Pull-Up Current
IOH1
-6
-
mA
Vout =VDD - 0.5V
Pull-Up Current
IOH2
-15
-
mA
Vout = VDD/2
Pull-Down Current
IOL1
6
-
mA
Vout = 0.4 V
Pull-Down Current
IOL2
22
-
mA
Vout = VDD/2
Rise/Fall Time, @ 0.4V-2.4V
Tr, Tf
0.4
-
4
nS
Note1