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ZL40203LDG1
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P25
CML
Driver
VDD_drive
r
VDD
Z
o
= 50 Ohms
Z
o
= 50 Ohms
clk_p
clk_n
Vt
Ctrl
“1”
R= 50 Ohms
NC
R
R
HCSL
Driver
VDD_driver
VDD
Z
o
= 50 Ohms
Z
o
= 50 Ohms
clk_p
clk_n
Vt
Ctrl
“1”
R= 50
Ohms
NC
R
R
ZL40203
Data Sheet
9
Microsemi Corporation
Figure 8 -
Clock Input -
CML- AC Coupled
Figure 9 -
Clock Input -
HCSL- AC Coupled
CMOS
Driver
VDD_driver
VDD
Z
o
= 50 Ohms
clk_p
clk_n
Vt
Ctrl
“1”
CMOS
Driver
VDD_driver
VDD
Z
o
= 50 Ohms
clk_p
clk_n
Vt
Ctrl
“1”
NC
ZL40203
Data Sheet
10
Microsemi Corporation
Figure 10 -
Clock Inpu
t -
AC-coupled Single-Ended
Figure 1
1 -
Clock Input
-
DC-coupled 3.3V CMOS
ZL40203
Data Sheet
11
Microsemi Corporation
3.2 Clock Output
s
L
VPECL has a very low output impedance and a differential signal swing between 1V and 1.6
V
. A simplified
diagram for the output stage is shown in Figure 12
.The L
VPECL to L
VDS output termination is not shown since
there is a different device with the same input
s and L
VDS outputs.
out_p
out_n
Figure 12 - Simplified Output Driver
The methods to terminate the ZL40203 L
VPECL dr
ivers are shown in the following figures.
LVP
E
CL
Rece
i
ver
50
Ohms
50
Ohms
VDD
VDD
Z
o
= 50 Ohm
s
Z
o
= 50 Ohm
s
ZL40203
cl
k_p
cl
k_n
VDD -
2
Figure 13 - L
VPEC
L Basic Output T
ermination
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P25
ZL40203LDG1
Mfr. #:
Buy ZL40203LDG1
Manufacturer:
Microchip / Microsemi
Description:
Clock Buffer 1:4 LVPECL Fanout Buffer w/Int. Term.
Lifecycle:
New from this manufacturer.
Delivery:
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Products related to this Datasheet
ZL40203LDG1
ZL40203LDF1