NB4N121KMNG ON Semiconductor, NB4N121KMNG Datasheet - Page 7

• Manufacturer Part Number: NB4N121KMNG
• Description: IC FANOUT CLK DRVR HCSL 52-QFN
• Manufacturer: ON Semiconductor
• Type: Fanout Buffer (Distribution)r

Specifications of NB4N121KMNG

• Number Of Circuits: 1
• Ratio - Input:output: 1:21
• Differential - Input:output: Yes/Yes
• Input: CML, LVCMOS, LVDS, LVPECL, LVTTL
• Output: HCSL
• Frequency - Max: 400MHz
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 52-VFQFN Exposed Pad
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

V
LVPECL
CC
Driver
A. For 1X configuration, connect
to GND or for 2X configuration, connect
IREF
1X configuration, use
1 kW, to adjust 2X load, use 20 kW to
50 kW.
B. RL1, RL2: 50 W for 1X Load
25 W for 2X Load
C. RS1, RS2: 0 W for Test and
Evaluation. Select to Minimizing Ringing.
D. CL1, CL2, CL3, CL4: Receiver Input
Simulation Load Capacitance Only
GND
*RTIN, Internal Input Termination Resistor
= 3.3 V
Figure 10. LVPECL Interface
pin to V
V
TCLK
R
Figure 9. Typical Termination Configuration for Output Driver and Device Evaluation
C
REF
CC
Lx
= V
Driver
HCSL
Qx
Qx
Z
Z
. To adjust load drive for
A
for Test Only (Representing Receiver Input Loading); Not Added to Application
0
0
TCLK
V
V
= 50 W
= 50 W
TCLK
TCLK
= V
R
R
RREF
S1
S2
CC
C
C
from 0 W to
− 2.0 V
Z
Z
0
0
IREF
= 50 W
= 50 W
NB4N121K
V
CC
D
D
pin
GND
50 W*
50 W*
= 3.3 V
R
50
L1
B
http://onsemi.com
R
50
L2
B
7
CL1
CL3
2 pF
2 pF
2X Load Option
D
D
1X Load
V
CC
Driver
LVDS
GND
CL2
CL4
*RTIN, Internal Input Termination Resistor
2 pF
2 pF
= 3.3 V
D
D
Figure 11. LVDS Interface
V
Z
Z
TCLK
Receiver 2
0
0
Receiver
V
V
= 50 W
= 50 W
TCLK
TCLK
= V
TCLK
V
NB4N121K
CC
D
D
GND
50 W*
50 W*
= 3.3 V