ZL40209 Data Sheet
18
Microsemi Corporation
* This parameter was measured from 125 MHz to 750 MHz.
* This parameter was measured from 125 MHz to 750 MHz.
Figure 21 - Differential Voltage Parameter
6 Differential input resistance V
IR
80 100 120 ohm
7 LVPECL output high voltage V
OH
V
DD
-
1.40
8 LVPECL output low voltage V
OL
V
DD
-
1.62
9 LVPECL output differential voltage* V
OD
0.5 0.9 V
DC Electrical Characteristics - Inputs and Outputs - for 2.5 V Supply
Characteristics Sym. Min. Typ. Max. Units Notes
1 CMOS control logic high-level
input
voltage
V
CIH
0.7*V
DD
V
2 CMOS control logic low
-level input
voltage
V
CIL
0.3*V
DD
V
3 CMOS control logic Input leakage
current
I
IL
1 µA V
I
= V
DD
or 0 V
4 Differential input common mode
volt
age
V
CM
1.1 1.6 V
5 Differential input voltage difference V
ID
0.25 1 V
6 Differential input resistance V
IR
80 100 120 ohm
7 LVPECL output high voltage V
OH
V
DD
-
1.40
V
8 LVPECL output low voltage V
OL
V
DD
-
1.62
V
9 LVPECL output differential voltage* V
OD
0.4 0.9 V
2*V
OD
V
OD
DC Electrical Characteristics - Inputs and Outputs - for 3.3 V Supply
Characteristics Sym. Min. Typ. Max. Units Notes
AC Electrical Characteristics* - Inputs and Outputs (see Figure 22) - for 2.5/3.3 V supply.
Characteristics Sym. Min. Typ. Max. Units Notes
1 Maximum Operating Frequency 1/t
p
750 MHz
2 Input to output clock propagation delay t
pd
0 1 2 ns
3 Output to output skew t
out2out
50 100 ps
4 Part to part output skew t
part2part
80 300 ps
5 Output clock Duty Cycle degradation t
PWH
/ t
PWL
-2 0 2 Duty
Cycle
6 LVPECL Output clock slew rate r
SL
0.75 1.2 V/ns
7 Reference transition time t
switch
2 3 us
ZL40209 Data Sheet
19
Microsemi Corporation
* Supply voltage and operating temperature are as per Recommended Operating Conditions
Input
t
P
t
PWL
t
pd
t
PWH
Output
Figure 22 - Input To Output Timing
Additive Jitter at 2.5 V*
Output Frequency (MHz) Jitter
Measurement
Filter
Typical
RMS (fs)
Notes
1 125 12 kHz - 20 MHz 190
2 212.5 12 kHz - 20 MHz 159
3 311.04 12 kHz - 20 MHz 147
4 425 12 kHz - 20 MHz 132
5 500 12 kHz - 20 MHz 126
6 622.08 12 kHz - 20 MHz 118
7 750 12 kHz - 20 MHz 106
ZL40209 Data Sheet
20
Microsemi Corporation
5.0 Performance Characterization
85
Additive Jitter at 3.3 V*
Output Frequency (MHz) Jitter
Measurement
Filter
Typical
RMS (fs)
Notes
1 125 12 kHz - 20 MHz 193
2 212.5 12 kHz - 20 MHz 167
3 311.04 12 kHz - 20 MHz 157
4 425 12 kHz - 20 MHz 144
5 500 12 kHz - 20 MHz 137
6 622.08 12 kHz - 20 MHz 127
7 750 12 kHz - 20 MHz 116
*The values in this table were taken with an approximate slew rate of 0.8 V/ns.
*The values in this table were taken with an approximate slew rate of 0.8 V/ns.
Additive Jitter from a Power Supply Tone*
Carrier
f
requency
Parameter Typical Units Notes
125MHz 25 mV
at 100 kHz
62 fs RMS
750MHz 25 mV
at 100 kHz
54 fs RMS
* The values in this table are the additive periodic jitter caused by an interfering tone typically caused by a switching power supply. For this test,
measurements were taken over the full temperature and voltage range for V
DD
= 2.5 V. The magnitude of the interfering tone is measured at the
DUT.

ZL40209LDG1

Mfr. #:
Manufacturer:
Microchip / Microsemi
Description:
Clock Buffer 2:6 LVPECL Fanout Buffer w/Int. Term.
Lifecycle:
New from this manufacturer.
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