ICS9248-135 Datasheet, PDF (11/15 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™& K6

ICS9248-135
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 - 70C; Supply Voltage V_DD = V_DDL = 3.3 V +/-5% (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Input High Voltage
Input Low Voltage
Operating
Supply Current
Input frequency
Input Capacitance¹
Transition Time¹
Clk Stabilization¹
V_IH
V_IL
I_DD3.3OP66
I_DD3.3OP100
I_DD3.3OP133
F_i
C_IN
C_INX
T_trans
T_STAB
C_L = 0 pF; Select @ 66MHz
C_L = 0 pF; Select @ 100MHz
C_L = 0 pF; Select @ 133MHz
V_DD = 3.3 V;
Logic Inputs
X1 & X2 pins
To 1st crossing of target Freq.
From V_DD = 3.3 V to 1% target Freq.
2
V_SS-0.3
11
27
V_DD+0.3
0.8
148 180
150 180
161
14.318 16
5
36
45
3
3
V
V
mA
mA
mA
MHz
pF
pF
ms
ms
Skew
t_CPU-PCI V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
1
2.39
4
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
Skew¹
I_DD2.5OP66
I_DD2.5OP100
I_DD2.5OP133
t_CPU-SDRAM
t_CPU-PCI
C_L = 0 pF; Select @ 66.8 MHz
C_L = 0 pF; Select @ 100 MHz
C_L = 0 pF; Select @ 133 MHz
V_T = 1.5 V; V_TL = 1.25 V
V_T = 1.5 V; V_TL = 1.25 V
6.13 30 mA
9.22
mA
11.6
mA
273 500
ps
1
2.25
4
ns
1_{Guaranteed by design, not 100% tested in production.}
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