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| ICS9248-50_1 Datasheet, PDF (6/10 Pages) Integrated Circuit Systems – Frequency Timing Generator for Pentium II Systems | |||
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ICS9248-50
Absolute Maximum Ratings
DD +0.5 V
Ambient Operating Temperature . . . . . . . . . . 0°C to +70°C
Case Temperature . . . . . . . . . . . . . . . . . . . . . 0°C to +115°C
Storage Temperature . . . . . . . . . . . . . . . . . . . â65°C to +150°C
Absolute Maximum Ratings
Electrical Characteristics - Input/Supply/Common Output Parameters
TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5% (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Input High Voltage
VIH
2
VDD + 0.3 V
Input Low Voltage
VIL
VSS - 0.3
0.8
V
Input High Current
IIH
VIN = VDD
0.1
5
mA
Input Low Current
IIL1 VIN = 0 V; Inputs with no pull-up resistors
-5
2.0
mA
Input Low Current
IIL2
VIN = 0 V; Inputs with pull-up resistors
-200 -100
mA
IDD3.3OP66 CL = 0 pF; Select @ 66MHz
60
180 mA
Operating
IDD3.3OP100 CL = 0 pF; Select @ 100MHz
66
180 mA
Supply Current
IDD2.5OP66 CL = 0 pF; Select @ 66.8 MHz
16
72
mA
IDD2.5OP100 CL = 0 pF; Select @ 100 MHz
23
100 mA
Power Down
Supply Current
IDD3.3PD CL = 0 pF; With input address to Vdd or GND
70
600
mA
Input frequency
Input Capacitance1
Transition Time1
Clk Stabilization1
Skew1
Fi
CIN
CINX
Ttrans
TSTAB
TCPU-PCI
VDD = 3.3 V;
Logic Inputs
X1 & X2 pins
To 1st crossing of target Freq.
From VDD = 3.3 V to 1% target Freq.
VT = 1.5 V; VTL = 1.25 V
11 14.318 16
5
27
36
45
3
3
1.5
3
4
MHz
pF
pF
ms
ms
ns
0278Iâ06/03/03
6
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