IDT
®
PC MAIN CLOCK - CK540 1247C—06/16/11
Advance Information
9UMS9001
PC MAIN CLOCK - CK540
6
Absolute Maximum Ratings
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS Notes
Maximum Supply Voltage VDDxxx_3.3 Supply Voltage 4.6 V 1,7
Maximum Supply Voltage VDDxxx_1.8 Supply Voltage 2.3 V 1,7
Maximum Supply Voltage VDDxxx_IO Low-Voltage Differential I/O Supply 3.8 V 1,7
Maximum Input Voltage V
IH
3.3V LVCMOS Inputs 4.6 V 1,7,8
Minimum Input Voltage V
IL
Any Input GND - 0.5 V 1,7
Storage Temperature Ts - -65 150
°
C1,7
Input ESD protection ESD prot Human Body Model 2000 V 1,7
Electrical Characteristics - Input/Supply/Common Output Parameters
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS Notes
Ambient Operating Temp Tambient - 0 70 °C 1
Supply Voltage VDDxxx_3.3 Supply Voltage 3.135 3.465 V 1
Supply Voltage VDDxxx_1.8 Supply Voltage 1.71 1.89 V 1
Supply Voltage VDDxxx_IO Low-Voltage Differential I/O Supply 1.05 3.465 V 1
Input High Voltage V
IHSE
Single-ended inputs 2 V
DD
+ 0.3 V 1
Input Low Voltage V
ILSE
Single-ended inputs V
SS
- 0.3 0.8 V 1
Input Leakage Current I
IN
V
IN
= V
DD ,
V
IN
=
GND -5 5 uA 1
Input Leakage Current I
INRES
Inputs with pull or pull down
resistors
V
IN
= V
DD ,
V
IN
=
GND
-200 200 uA 1
Output High Voltage V
OHS E
Single-ended outputs, I
OH
= -1mA 2.4 V 1
Output Low Voltage V
OLSE
Single-ended outputs, I
OL
= 1 mA 0.4 V 1
Output High Voltage V
OHDI
Differential Outputs 0.7 0.9 V 1
Output Low Voltage V
OLDI
Differential Outputs 0.4 V 1
Low Threshold Input-
High Voltage (Test Mode)
V
IH_FS_TEST
3.3 V +/-5% 2 V
DD
+ 0.3 V 1
Low Threshold Input-
High Voltage
V
IH_FS
3.3 V +/-5% 0.7 1.5 V 1
Low Threshold Input-
Low Voltage
V
IL_FS
3.3 V +/-5% V
SS
- 0.3 0.35 V 1
Operating Supply Current I
DD_DEFAULT
3.3V supply, LCDPLL off 80 mA 1
I
DD_LCDEN
3.3V supply, LCDPLL enabled 100 mA 1
I
DD_IO
0.8V supply, Differential IO current,
all outputs enabled
25 mA 1
I
DD_PD3.3
3.3V supply, Power Down Mode 1 mA 1
I
DD_PDIO
0.8V IO supply, Power Down Mode 0.1 mA 1
Input Frequency F
i
V
DD
= 3.3 V 15 MHz 2
Pin Inductance L
in
7nH1
C
IN
Logic Inputs 1.5 5 pF 1
C
OU
Output pin capacitance 6 pF 1
C
INX
X1 & X2 pins 7 pF 1
Spread Spectrum Modulation
Frequency
f
SSMOD
Triangular Modulation 30 33 kHz 1
Power Down Current
Input Capacitance