2. A 0.1µF bypass capacitor should be placed as close as possible to each positive power pin (<0.2”). If these bypass capacitors are not close to the pins their
high frequency filtering characteristics will be cancelled by the lead inductance of the traces.
3. AVDD and VDD pins must be connected to a power supply level that is at least equal or higher than that of VDDQA, VDDQB, and VDDQC power supply pins.
2.5V or 3.3V, 200 MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
3 of 16
September 2006
rev 0. 4
‘SpreadTrak’
Many systems being designed now utilize a technology
called Spread Spectrum Frequency Timing Generation.
PCS5I9773 is designed so as not to filter off the Spread
Spectrum feature of the Reference Input, assuming it
exists.
PCS5I9773
When a zero delay buffer is not designed to pass the
Spread Spectrum feature through, the result is a
significant amount of tracking skew which may cause
problems in the systems requiring synchronization.
Table 1: Frequency Table
Feedback
Output Divider
÷4
÷6
÷8.
÷10
÷12
÷16
÷20
÷24
÷32
÷40
VCO
Input Clock * 4
Input Clock * 6
Input Clock * 8
Input Clock * 10
Input Clock * 12
Input Clock * 16
Input Clock * 20
Input Clock * 24
Input Clock * 32
Input Clock * 40
Input Frequency Range
(AVDD = 3.3V)
50MHz to 125MHz
33.3MHz to 83.3MHz
25MHz to 62.5MHz
20MHz to 50MHz
16.6MHz to 41.6MHz
12.5MHz to 31.25MHz
10MHz to 25MHz
8.3MHz to 20.8MHz
6.25MHz to 15.625MHz
5MHz to 12.5MHz
Input Frequency Range
(AVDD = 2.5V)
50MHz to 95MHz
33.3MHz to 63.3MHz
25MHz to 47.5MHz
20MHz to 38MHz
16.6MHz to 31.6MHz
12.5MHz to 23.75MHz
10 MHz to19MHz
8.3MHz to 15.8MHz
6.25MHz to 11.8MHz
5MHz to 9.5MHz
Table 2. Function Table (Configuration Controls)
Control
REF_SEL
TCLK_SEL
VCO_SEL
PLL_EN
INV_CLK
Default
1
1
1
1
1
TCLK0, TCLK1
TCLK0
0
PECL_CLK
1
TCLK1
VCO÷1
(high input frequency range)
PLL enabled. The VCO output
connects to the output dividers
QC2 and QC3 are inverted
(180° phase shift) with respect to
QC0 and QC1
Outputs enabled
VCO÷2 (low input frequency range)
Bypass mode, PLL disabled. The input clock connects to
the output dividers
QC2 and QC3 are in phase with QC0 and QC1
Outputs disabled (three-state) and reset of the device.
During reset/output disable the PLL feedback loop is open
and the VCO running at its minimum frequency. The device
is reset by the internal power-on reset (POR) circuitry
during power-up.
MR#/OE
1
2.5V or 3.3V, 200 MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
4 of 16
September 2006
rev 0. 4
Table 3. Function Table (Bank A)
VCO_SEL
0
0
0
0
1
1
1
1
PCS5I9773
Table 5. Function Table (Bank C)
QA(0:3)
÷8
÷12
÷16
÷24
÷4
÷6
÷8
÷12
SELA1
0
0
1
1
0
0
1
1
SELA0
0
1
0
1
0
1
0
1
VCO_SEL
0
0
0
0
1
1
1
1
SELC1
0
0
1
1
0
0
1
1
SELC0
0
1
0
1
0
1
0
1
QC(0:3)
÷4
÷8
÷12
÷16
÷2
÷4
÷6
÷8
Table 4. Function Table (Bank B)
VCO_SEL
0
0
0
0
1
1
1
1
Table 6. Function Table (FB_OUT)
QB(0:3)
÷8
÷12
÷16
÷20
÷4
÷6
÷8
÷10
SELB1
0
0
1
1
0
0
1
1
SELB0
0
1
0
1
0
1
0
1
VCO_SEL FB_SEL2 FB_SEL1 FB_SEL0 FB_OUT
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
÷8
÷12
÷16
÷20
÷16
÷24
÷32
÷40
÷4
÷6
÷8
÷10
÷8
÷12
÷16
÷20
Absolute Maximum Conditions
Parameter
VDD
VDD
V
IN
V
OUT
V
TT
LU
R
PS
T
S
T
A
T
J
Ø
JC
Ø
JA
ESD
H
FIT
Description
DC Supply Voltage
DC Operating Voltage
DC Input Voltage
DC Output Voltage
Output termination Voltage
Latch-up Immunity
Power Supply Ripple
Temperature, Storage
Temperature, Operating Ambient
Temperature, Junction
Dissipation, Junction to Case
Dissipation, Junction to Ambient
ESD Protection (Human Body Model)
Failure in Time
Condition
Functional
Relative to VSS
Relative to VSS
Functional
Ripple Frequency < 100 kHz
Non-functional
Functional
Functional
Functional
Functional
Manufacturing test
Min
-0.3
2.375
-0.3
-0.3
200
-65
-40
Max
5.5
3.465
VDD+ 0.3
VDD+ 0.3
VDD ÷2
150
+150
+85
+150
23
55
10
Unit
V
V
V
V
V
mA
mVp-p
°C
°C
°C
°C/W
°C/W
V
ppm
2000
Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect
device reliability.
2.5V or 3.3V, 200 MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
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