ICS9148-75 Datasheet, PDF (12/17 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Mother Boards

ICS9148 - 75
Preliminary Product Preview
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND –0.5 V to V_DD +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 V_DD = V_DDL = 3.3 V +/-5% (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
Input Low Current
Operating
Supply Current
V_IH
V_IL
I_IH
I_IL1
I_IL2
I_DD3.3OP
V_IN = V_DD
V_IN = 0 V; Inputs with no pull-up resistors
V_IN = 0 V; Inputs with pull-up resistors
C_L = 0 pF; 66.8 MHz
2
V_SS-0.3
-5
-200
Input frequency
Input Capacitance¹
F_i
V_DD = 3.3 V;
C_IN Logic Inputs
C_INX X1 & X2 pins
27
Transition Time¹
T_trans To 1st crossing of target Freq.
Settling Time¹
T_s From 1st crossing to 1% target Freq.
Clk Stabilization¹
T_STAB From V_DD = 3.3 V to 1% target Freq.
Skew¹
T_CPU-SDRAM1 V_T = 1.5 V; SDRAM Leads
-500
T_CPU-PCI1 V_T = 1.5 V; CPU Leads
2
1_{Guaranteed by design, not 100% tested in production.}
TYP
0.1
2.0
-100
100
14.318
36
200
5
MAX
V_DD+0.3
0.8
5
160
5
45
2
2
500
6
UNITS
V
V
mA
mA
mA
mA
MHz
pF
pF
ms
ms
ms
ps
ns
Electrical Characteristics - Input/Supply/Common Output Parameters
T_A = 0 - 70C; 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
Supply Current
I_DD2.5OP C_L = 0 pF; 66.8 MHz
10
20
mA
Skew¹
T_CPU-SDRAM2 V_T = 1.5 V; V_TL = 1.25 V; SDRAM Leads
T_CPU-PCI2 V_T = 1.5 V; V_TL = 1.25 V; CPU Leads
-500
2
200
5
500
6
ps
ns
1_{Guaranteed by design, not 100% tested in production.}
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