7
ICS9248-39
0277G—08/04/04
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . GND –0.5 V to V
DD
+0.5 V
Ambient Operating Temperature . . . . . . . . . . 0°C to +70°C
Case Temperature . . . . . . . . . . . . . . . . . . . . . 115°C
Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Stresses above those listed under
Absolute Maximum Ratings
may cause permanent damage to the device. These
ratings are stress specifications only and functional operation of the device at these or any other conditions above those
listed in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions
for extended periods may affect product reliability.
Electrical Characteristics - Input/Supply/Common Output Parameters
T
A
= 0 - 70°C; Supply Voltage V
DD,
V
DDL
= 3.3 V +/-5% (unless otherwise stated)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input High Voltage V
IH
2V
DD
+ 0.3 V
Input Low Voltage V
IL
V
SS
- 0.3 0.8 V
Input High Current I
IH
V
IN
= V
D
D
0.1 5 mA
Input Low Current I
IL1
V
IN
= 0 V; Inputs with no pull-up resistors -5 2.0 mA
Input Low Current I
IL2
V
IN
= 0 V; Inputs with pull-up resistors -200 -100 mA
Operating I
DD3.3OP66
C
L
= 0 pF; Select @ 66MHz 146
Supply Current I
DD3.3OP100
C
L
= 0 pF; Select @ 100MHz 174
Input frequency F
i
V
D
D
= 3.3 V; 12 14.318 16 MHz
Input Capacitance
1
C
IN
Logic Inputs 5 pF
C
INX
X1 & X2 pins 27 36 45 pF
Clk Stabilization
1
T
STAB
From V
DD
= 3.3 V to 1% target Freq.
3ms
1
Guaranteed by design, not 100% tested in production.
mA180
Electrical Characteristics - Input/Supply/Common Output Parameters
T
A
= 0 - 70°C; Supply Voltage V
DD
= 3.3 V +/-5%, V
DDL
= 2.5 V +/-5% (unless otherwise stated)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating I
DD2.5OP66
C
L
= 0 pF; Select @ 66.8 MHz 4 72
Supply Current I
DD2.5OP100
C
L
= 0 pF; Select @ 100 MHz 6 100
Skew1
t
CPU-PCI
V
T
= 1.5 V; V
TL
= 1.25 V
1.5 2.5 4 ns
1
Guaranteed by design, not 100% tested in production.
mA
8
ICS9248-39
0277G—08/04/04
Electrical Characteristics - CPUCLK
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%, V
DDL
= 2.5 V +/-5%; C
L
= 20 pF (unless otherwise stated)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Output High Voltage V
OH2B
I
OH
= -12.0 mA 2 2.23 V
Output Low Voltage V
OL2B
I
OL
= 12 mA 0.32 0.4 V
Output High Current I
OH2B
V
OH
= 1.7 V -32 -19 mA
Output Low Current I
OL2B
V
OL
= 0.7 V 19 25 mA
Rise Time t
r2B
1
V
OL
= 0.4 V, V
OH
= 2.0 V 1.48 1.6 ns
Fall Time t
f2B
1
V
OH
= 2.0 V, V
OL
= 0.4 V 1.25 1.6 ns
Duty Cycle d
t2B
1
V
T
= 1.25 V 45 45 55 %
Skew t
sk2B
1
V
T
= 1.25 V 125 175 ps
Jitter, Cycle-to-cycle t
j
c
y
c-c
y
c2B
1
V
T
= 1.25 V 225 250 ps
Jitter, One Sigma t
j
1s2B
1
V
T
= 1.25 V 36 150 ps
Jitter, Absolute
t
jabs2B
1
V
T
= 1.25 V
-250 130 +250 ps
1
Guaranteed by design, not 100% tested in production.
Electrical Characteristics - PCICLK
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%, V
DDL
= 2.5 V +/-5%; C
L
= 30 pF (unless otherwise stated)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Output High Voltage V
OH1
I
OH
= -11 mA 2.4 3.05 V
Output Low Voltage V
OL1
I
OL
= 9.4 mA 0.17 0.4 V
Output High Current I
OH1
V
OH
= 2.0 V -52 -22 mA
Output Low Current I
OL1
V
OL
= 0.8 V 25 40 mA
Rise Time
1
t
r1
V
OL
= 0.4 V, V
OH
= 2.4 V 2 2 ns
Fall Time
1
t
f1
V
OH
= 2.4 V, V
OL
= 0.4 V 1.65 2 ns
Duty Cycle
1
d
t1
V
T
= 1.5 V 45 49 55 %
Skew
1
t
sk1
V
T
= 1.5 V 240 500 ps
Jitter, Cycle-to-cycle t
j
c
y
c-c
y
c2B
1
V
T
= 1.5 V 210 250 ps
Jitter, One Sigma
1
t
j
1s1
V
T
= 1.5 V 18 150 ps
Jitter, Absolute
1
t
jabs1
V
T
= 1.5 V
-500 90 500 ps
1
Guaranteed by design, not 100% tested in production.
9
ICS9248-39
0277G—08/04/04
Electrical Characteristics - SDRAM
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%, V
DDL
= 2.5 V +/-5%; C
L
= 30 pF (unless otherwise stated)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Output High Voltage V
OH3
I
OH
= -28 mA 2.4 2.9 V
Output Low Voltage V
OL3
I
OL
= 23 mA 0.4 0.4 V
Output High Current I
OH3
V
OH
= 2.0 V -77 -54 mA
Output Low Current I
OL3
V
OL
= 0.8 V 41 41 mA
Rise Time T
r3
1
V
OL
= 0.4 V, V
OH
= 2.4 V 1.5 2 ns
Fall Time T
f3
1
V
OH
= 2.4 V, V
OL
= 0.4 V 1.8 2 ns
Duty Cycle D
t3
1
V
T
= 1.5 V 45 49.5 55 %
Skew
1
T
sk1
V
T
= 1.5 V 190 500 ps
Propagation Delay Tprop VT = 1.5 V 3 5 ns
1
Guarenteed by design, not 100% tested in production.
Electrical Characteristics - IOAPIC
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%, V
DDL
= 2.5 V +/-5%; C
L
= 20 pF (unless otherwise stated)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Output High Voltage V
OH4B
I
OH
= -12 mA 2 2.12 V
Output Low Voltage V
OL4B
I
OL
= 12 mA 0.32 0.4 V
Output High Current I
OH4B
V
OH
= 1.7 V -23 -19 mA
Output Low Current I
OL4B
V
OL
= 0.7 V 19 25 mA
Rise Time
1
T
r4B
V
OL
= 0.4 V, V
OH
= 2.0 V 1.45 2 ns
Fall Time
1
T
f4B
V
OH
= 2.0 V, V
OL
= 0.4 V 1.3 2 ns
Duty Cycle
1
D
t4B
V
T
= 1.25 V 45 51 55 %
Jitter, One Sigma
1
T
j
1s4B
V
T
= 1.25 V 0.2 0.5 ns
Jitter, Absolute
1
T
jabs4B
V
T
= 1.25 V
-10.51ns
1
Guaranteed by design, not 100% tested in production.

9248DF-39LFT

Mfr. #:
Manufacturer:
IDT
Description:
Clock Generators & Support Products PC MAIN CLOCK
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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