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ICS9248-56 数据表(PDF) 6 Page - Integrated Circuit Systems

部件名 ICS9248-56
功能描述  Frequency Timing Generator for Pentium II Systems
PDF  11 Pages
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制造商  ICST [Integrated Circuit Systems]
网页  http://www.icst.com
标志 ICST - Integrated Circuit Systems

ICS9248-56 数据表(HTML) 6 Page - Integrated Circuit Systems

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6
ICS9248-56
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND –0.5 V to VDD +0.5 V
Ambient Operating Temperature . . . . . . . . . . . . 0°C to +70°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 - 70C; Supply Voltage VDD = VDDL = 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 = VDD
0.1
5
µA
Input Low Current
I
IL1
V
IN = 0 V; Inputs with no pull-up resistors
-5
2.0
µA
Input Low Current
I
IL2
V
IN = 0 V; Inputs with pull-up resistors
-200
-100
µA
Operating
I
DD3.3OP66
C
L = 0 pF; Select @ 66MHz
60
180
mA
Supply Current
I
DD3.3OP100
C
L = 0 pF; Select @ 100MHz
66
180
mA
Power Down
I
DD3.3PD
C
L = 0 pF; With input address to Vdd or GND
70
600
µA
Supply Current
Input frequency
F
i
V
DD = 3.3 V;
11
14.318
16
MHz
Input Capacitance
1
C
IN
Logic Inputs
5
pF
C
INX
X1 & X2 pins
27
36
45
pF
Transition Time
1
T
trans
To 1st crossing of target Freq.
3
ms
Clk Stabilization
1
T
STAB
From V
DD = 3.3 V to 1% target Freq.
3
ms
Skew
1
T
CPU-PCI
V
T = 1.5 V;
1.5
2.4
4
ns
1Guaranteed by design, not 100% tested in production.
Electrical Characteristics - Input/Supply/Common Output Parameters
TA = 0 - 70C; Supply Voltage VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5% (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating
IDD2.5OP66
CL = 0 pF; Select @ 66.8 MHz
16
72
mA
Supply Current
IDD2.5OP100
CL = 0 pF; Select @ 100 MHz
23
100
mA
Skew
1
tCPU-PCI2
VT = 1.5 V; VTL = 1.25 V
1.5
3
4
ns
1Guaranteed by design, not 100% tested in production.



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