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ICS557G-06T

P1-P3P4-P6P7-P8
MDS 557-06 B 4 Revision 021705
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
ICS557-06
One to Four HCSL Clock Buffer
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS557-06. These ratings are
stress ratings only. Functional operation of the device at these or any other conditions above those
indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods can affect product reliability. Electrical parameters are guaranteed
only over the recommended operating temperature range.
DC Electrical Characteristics
Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature 0 to +70°C
1
Single edge is monotonic when transitioning through region.
2
Inputs with pull-ups/-downs are not included.
Item Rating
Supply Voltage, VDD, VDDA 5.5 V
All Inputs and Outputs -0.5 V to VDD+0.5 V
Ambient Operating Temperature 0 to +70°C
Storage Temperature -65 to +150°C
Junction Temperature 125°C
Soldering Temperature 260°C
ESD Protection (Input) 2000 V min. (HBM)
Parameter Symbol Conditions Min. Typ. Max. Units
Supply Voltage V 3.135 3.465
Input High Voltage
1
V
IH
OE, SEL, PD 2.0 VDD +0.3 V
Input Low Voltage
1
V
IL
OE, SEL, PD VSS-0.3 0.8 V
Input Leakage Current
2
I
IL
0 < Vin < VDD -5 5 µA
Operating Supply Current I
DD
50Ω, 2pF 55 mA
I
DDOE
OE =Low 20 mA
I
DDPD
No load, PD =Low 400 µA
Input Capacitance C
IN
Input pin capacitance 7 pF
Output Capacitance C
OUT
Output pin capacitance 6 pF
Pin Inductance L
PIN
5nH
Output Resistance R
OUT
CLKOUT 3.0 kΩ
Pull-up Resistor R
PU
110 kΩ
MDS 557-06 B 5 Revision 021705
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
ICS557-06
One to Four HCSL Clock Buffer
AC Electrical Characteristics - CLKOUTA/CLKOUTB
Unless stated otherwise, VDD=3.3 V ±5%, Ambient Temperature 0 to +70°C
1
Test setup is R
L
=50 ohms with 2 pF, Rr = 475Ω (1%).
2
Measurement taken from a single-ended waveform.
3
Measurement taken from a differential waveform.
4
Measured at the crossing point where instantaneous voltages of both CLKOUT and CLKOUT are equal.
5
CLKOUT pins are tri-stated when OE is Low asserted. CLKOUT is driven differential when OE is High unless its
PD
= low.
Parameter Symbol Conditions Min. Typ. Max. Units
Input Frequency 80 200 MHz
Output Frequency 80 200 MHz
Input High Voltage
1,2
V
IH
HCSL 660 700 850 mV
Input Low Voltage
1,2
V
IL
HCSL -150 0 mV
Differential Input
Voltages
(V
ID
) LVDS 250 350 450 mV
Input Offset Voltage (V
IS
) LVDS 1.125 1.25 1.375 V
Output High Voltage
1,2
V
OH
HCSL 660 700 850 mV
Output Low Voltage
1,2
V
OL
HCSL -150 0 mV
Crossing Point
Voltage
1,2
Absolute 250 350 550 mV
Crossing Point
Voltage
1,2,4
Variation over all edges 140 mV
Jitter, Cycle-to-Cycle
1,3
100 ps
Rise Time
1,2
t
OR
From 0.175 V to 0.525 V 175 332 700 ps
Fall Time
1,2
t
OF
From 0.525 V to 0.175 V 175 344 700 ps
Rise/Fall Time
Variation
1,2
125 ps
Skew between Outputs Measured at crossing point 50 ps
Duty Cycle
1,3
45 55 %
Output Enable Time
5
All outputs 10 us
Output Disable Time
5
All outputs 10 us
Stabilization Time t
STABLE
From power-up VDD=3.3 V 3.0 ms
Spread Change Time t
SPREAD
Settling period after spread change 3.0 ms
Input to Output Delay Input differential clock to output
differential clock delay measured at
mid point of input levels to mid pint of
output levels
3ns
MDS 557-06 B 6 Revision 021705
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
ICS557-06
One to Four HCSL Clock Buffer
Thermal Characteristics
HCSL Output Loads
Parameter Symbol Conditions Min. Typ. Max. Units
Thermal Resistance Junction to
Ambient
θ
JA
Still air 93 °C/W
θ
JA
1 m/s air flow 78 °C/W
θ
JA
3 m/s air flow 65 °C/W
Thermal Resistance Junction to Case θ
JC
20 °C/W
R
L
50.2
R
L
50.2
R
L
475
6*IREF
=2.3 mA
IREF
0.175 V
0.52 V
0.175 V
0.52 V
t
OR
t
OF
500 ps 500 ps
700 mV
0
Ω
ΩΩ
P1-P3P4-P6P7-P8

ICS557G-06T

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IC CLK BUFFER 1:4 HCSL 20-TSSOP
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