ICS9248-20 Datasheet, PDF (7/11 Pages) Integrated Circuit Systems – Pentium/ProTM System Clock Chip

ICS9248-20
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 TYP MAX UNITS
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
Input Low Current
Operating
Supply Current
Power Down
Supply Current
V_IH
V_IL
I_IH
I_IL1
I_IL2
I_DD3.3OP66
I_DD3.3OP100
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; Select @ 66MHz
C_L = 0 pF; Select @ 100MHz
2
V_DD+0.3 V
V_SS-0.3
0.8
V
0.1
5
µA
-5 2.0
µA
-200 -100
µA
60 170 mA
66 170 mA
I_DD3.3PD C_L = 0 pF; With input address to Vdd or GND
70 600 µA
Input frequency
F_i
V_DD = 3.3 V;
Input Capacitance¹
C_IN
C_INX
Logic Inputs
X1 & X2 pins
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-PCI1 V_T = 1.5 V;
1_{Guaranteed by design, not 100% tested in production.}
11 14.318 16
5
27
36
45
3
5
3
1.5
3
4
MHz
pF
pF
ms
ms
ms
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
Operating
Supply Current
Skew¹
I_DD2.5OP66
I_DD2.5OP100
t_CPU-PCI2
C_L = 0 pF; Select @ 66.8 MHz
C_L = 0 pF; Select @ 100 MHz
V_T = 1.5 V; V_TL = 1.25 V
16 72
23 100
1.5
3
4
1_{Guaranteed by design, not 100% tested in production.}
UNITS
mA
mA
ns
7