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ICS290 Datasheet, PDF (5/8 Pages) Integrated Circuit Systems – Triple PLL Field Prog. Spread Spectrum Clock Synthesizer
PRELIMINARY INFORMATION
ICS290
Triple PLL Field Prog. Spread Spectrum Clock Synthesizer
DC Electrical Characteristics
Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature -40 to +85°C
Parameter
Symbol
Conditions
Min. Typ.
Operating Voltage
VDD
3.135
Config. Dependent - See
VersaClockTM Estimates
Operating Supply Current IDD Eight 33.3333 MHz outs,
27
PDTS = 1, no load, Note 1
Input High Voltage
Input Low Voltage
Input High Voltage, PDTS
Input Low Voltage, PDTS
Input High Voltage
Input Low Voltage
Output High Voltage
(CMOS High)
PDTS = 0, no load
VIH S2:S0
VIL S2:S0
VIH
VIL
VIH ICLK
VIL ICLK
VOH IOH = -4 mA
500
VDD/2+1
VDD-0.5
VDD/2+1
VDD-0.4
Output High Voltage
Output Low Voltage
Short Circuit Current
VOH IOH = -8 mA (Low Drive);
2.4
IOH = -12 mA (High Drive)
VOL IOL = 8 mA (Low Drive);
IOL = 12 mA (High Drive)
IOS Low Drive
±40
High Drive
±70
Nom. Output Impedance
ZO
20
Internal pull-up Resistor
RPUS S2:S0, PDTS
190
Internal pull-down
RPD CLK outputs
120
Resistor
Input Capacitance
CIN Inputs
4
Max.
3.465
Units
V
mA
mA
µA
V
0.4
V
V
0.4
V
V
VDD/2-1 V
V
V
0.4
V
mA
Ω
kΩ
kΩ
pF
Note 1: Example with 25 MHz crystal input with eight outputs of 33.3 MHz, no load, and VDD = 3.3 V.
MDS 290 C
5
Revision 062305
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com