PRELIMINARY
ICS8536I-33
Integrated
Circuit
Systems, Inc.
LOW SKEW, 1-TO-6, CRYSTAL OSCILLATOR/
LVCMOS-TO-3.3V LVPECL/LVCMOS FANOUT BUFFER
TABLE 4C. LVCMOS / LVTTL DC CHARACTERISTICS, VCC = 3.3V 5ꢀ OR 2.5V 5ꢀ, VCCO_LVCMOS = 2.5V 5ꢀ, TA = -40°C TO 85°C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
V
CC = 3.3V
CC = 2.5V
2
VCC + 0.3
VCC + 0.3
0.8
V
V
V
V
VIH
Input High Voltage
V
1.7
-0.3
-0.3
VCC = 3.3V
VCC = 2.5V
VIL
Input Low Voltage
0.7
Input
Hysteresis
CLK_EN,
CLK_SEL
VHYS
100
mV
µA
µA
µA
µA
CLK
VCC = VIN = 3.465V or 2.625V
VCC = VIN = 3.465V or 2.625V
VCC = 3.465V or 2.625V, VIN = 0V
VCC = 3.465V or 2.625V, VIN = 0V
150
5
Input
High Current
IIH
CLK_EN,
CLK_SEL
CLK
-5
Input
Low Current
IIL
CLK_EN,
CLK_SEL
-150
1.8
VOH
VOL
Output High Voltage; NOTE 1
Output Low Voltage; NOTE 1
VCCO_LVCMOS = 2.625V
VCCO_LVCMOS = 2.625V
V
V
0.5
NOTE 1: Outputs terminated with 50Ω to VCCO_LVCMOS/2. See Parameter Measurement Information Section. "LVCMOS Output
Load Test circuit" diagram.
TABLE 4D. LVPECL DC CHARACTERISTICS, VCC = 3.3V 5ꢀ, VCCO_LVPECL = 3.3V 5ꢀ, TA = -40°C TO 85°C
Symbol Parameter
Test Conditions
Minimum
VCCO_LVPECL - 1.4
VCCO_LVPECL - 2.0
0.6
Typical
Maximum
VCCO_LVPECL - 0.9
VCCO_LVPECL - 1.7
1.0
Units
VOH
Output High Voltage; NOTE 1
V
V
V
VOL
Output Low Voltage; NOTE 1
VSWING
Peak-to-Peak Output Voltage Swing
NOTE 1: Outputs terminated with 50Ω to VCCO_LVPECL - 2V.
TABLE 5. CRYSTAL CHARACTERISTICS
Parameter
Test Conditions
Minimum Typical Maximum Units
Mode of Oscillation
Frequency
Fundamental
12
40
50
7
MHz
Ω
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
pF
1
mW
8536AGI-33
www.icst.com/products/hiperclocks.html
REV.A MARCH 16, 2006
5