ICS84314-02 Datasheet, PDF (6/17 Pages) Integrated Circuit Systems – 700MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS84314-02
700MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL
FREQUENCY SYNTHESIZER W/FANOUT BUFFER
TABLE 5C. LVCMOS/LVTTL DC CHARACTERISTICS, V_CC = V_CCA = 3.3V±5%, V_CCO = 3.3V±5% OR 2.5V±5%, TA = 0°C TO 85°C
Symbol
V_IH
V_IL
I_IH
I_IL
Parameter
Input High Voltage
Input Low Voltage
Input
High Current
M0:M2, M4, M5, M8, MR,
nP_LOAD, S_CLOCK,
S_DATA, S_LOAD
M3, M6, M7,
XTAL_SEL, VCO_SEL
Input
Low Current
TEST_CLK
M0:M2, M4, M5, M8, MR,
nP_LOAD, S_CLOCK,
S_DATA, S_LOAD
M3, M6, M7,
XTAL_SEL, VCO_SEL
Test Conditions
V_CC = V_IN = 3.465V
V_CC = V_IN = 3.465V
V_CC = V_IN = 3.465V
V_CC = 3.465V,
V_IN = 0V
V_CC = 3.465V,
V_IN = 0V
Minimum
2
-0.3
Typical
Maximum
V_CC + 0.3
0.8
Units
V
V
150
µA
5
µA
200
µA
-5
µA
-150
µA
TABLE 5D. LVPECL DC CHARACTERISTICS, V_CC = V_CCA = 3.3V±5%, V_CCO = 3.3V±5% OR 2.5V±5%, TA = 0°C TO 85°C
Symbol
Parameter
Test Conditions
Minimum Typical Maximum
V_OH
Output High Voltage; NOTE 1
V_CCO - 1.4
V_CCO - 0.9
V
Output Low Voltage; NOTE 1
OL
V - 2.0
CCO
V - 1.7
CCO
V_SWING
Peak-to-Peak Output Voltage Swing
0.6
1.0
NOTE 1: Outputs terminated with 50Ω to V_CCO - 2V. See "Parameter Measurement Information" section,
"Output Load Test Circuit" diagrams.
Units
V
V
V
TABLE
6.
INPUT
FREQUENCY
CHARACTERISTICS,
V
CC
=
V
CCA
=
3.3V±5%,
V
CCO
=
3.3V±5%
OR
2.5V±5%,
TA
=
0°C
TO
85°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum Units
TEST_CLK; NOTE 1
10
40
MHz
f_IN
Input Frequency
XTAL_IN, XTAL_OUT;
NOTE 1
12
40
MHz
S_CLOCK
50
MHz
NOTE 1: For the input crystal and reference frequency range, the M value must be set for the VCO to operate within the
250MHz to 700MHz range. Using the minimum input frequency of 12MHz, valid values of M are 167 ≤ M ≤ 466.
Using the maximum frequency of 40MHz, valid values of M are 50 ≤ M ≤ 140.
TABLE 7. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
Test Conditions
Minimum Typical Maximum
Fundamental
12
40
50
7
1
Units
MHz
Ω
pF
mW
84314AY-02
www.icst.com/products/hiperclocks.html
6
REV. B NOVEMBER 17, 2005