MK1581-01
LOW PHASE NOISE T1/E1 CLOCK GENERATOR VCXO AND SYNTHESIZER
IDT™
LOW PHASE NOISE T1/E1 CLOCK GENERATOR 8
MK1581-01 REV E 121809
Recommended Operation Conditions
DC Electrical Characteristics
Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature -40 to +85° C
AC Electrical Characteristics
Unless stated otherwise, VDD = 3.3V ±5%, Ambient Temperature -40 to +85° C
Parameter Min. Typ. Max. Units
Ambient Operating Temperature -40 +85 ° C
Power Supply Voltage (measured in respect to GND) +3.15 +3.3 +3.45 V
Parameter Symbol Conditions Min. Typ. Max. Units
Operating Voltage VDD 3.15 3.3 3.45 V
Supply Current IDD Clock outputs unloaded,
VDD = 3.3 V
10 15 mA
Input High Voltage, SEL V
IH
2V
Input Low Voltage, SEL V
IL
0.8 V
Input High Voltage, 8kHz_IN V
IH
VDD/2+1
V
Input Low Voltage, 8kHz_IN V
IL
VDD/2-1
V
Input High Current I
IH
V
IH
= VDD -10 +10 µA
Input Low Current I
IL
V
IL
= 0 -10 +10 µA
Input Capacitance, except X1 C
IN
7pF
Output High Voltage (CMOS Level) V
OH
I
OH
= -4 mA VDD-0.4 V
Output High Voltage V
OH
I
OH
= -8 mA 2.4 V
Output Low Voltage V
OL
I
OL
= 8 mA 0.4 V
Short Circuit Current I
OS
±50 mA
VIN, VCXO Control Voltage V
XC
0VDDV
Nominal Output Impedance Z
OUT
20 Ω
Parameter Symbol Conditions Min. Typ. Max. Units
VCXO Crystal Pull Range f
XP
Using Recommended
Crystal
-115 +115 ppm
VCXO Crystal Nominal
Frequency
f
X
24.704 24.576 MHz
Input Jitter Tolerance t
ji
In reference to input
clock period
0.4 UI
Input pulse width (1) t
pi
10 ns
Output Frequency Error F
OUT
ICLK = 0 ppm error 0 0 0 ppm
Output Duty Cycle (% high
time)
t
OD
Measured at VDD/2,
C
L
=15 pF
40 60 %
