1.8V to 3.3V High-Performance
1:4 LVCMOS Clock Buffer
Datasheet
5PB1104
Description
The 5PB1104 is a high-performance LVCMOS clock buffer. It has
an additive phase jitter of 50fs RMS.
The 5PB1104 also supports a synchronous glitch-free output
enable (OE) function to eliminate any potential intermediate
incorrect output clock cycles when enabling or disabling outputs. It
can operate from a 1.8V to 3.3V supply.
Features
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High-performance 1:4 LVCMOS clock buffer
Very low pin-to-pin skew: < 50ps
Very low additive jitter: < 50fs
Supply voltage: 1.8V to 3.3V
3.3V tolerant input clock
f
MAX
= 200MHz
Integrated serial termination for 50Ω channel
2.0 × 2.0 mm 8-VFQFN package
AEC-Q100 Grade 1 (-40°C to +125°C) and Grade 2 (-40°C to
+105°C)
Typical Applications
▪
Automotive applications
Block Diagram
CLKIN
LVCMOS
LVCMOS
Y0
LVCMOS
Y1
LVCMOS
Y2
LVCMOS
Y3
1G
©2018 Integrated Device Technology, Inc.
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October 15, 2018
5PB1104 Datasheet
Pin Assignments
Figure 1. Pin Assignments for 2.0 × 2.0 mm 8-VFQFN Package – Top View
CLKIN
1G
Y0
GND
1
2
3
4
5PB1104
8
7
6
5
Y1
Y3
VDD
Y2
Pin Descriptions
Table 1. Pin Descriptions
Number
1
2
3
Name
CLKIN
1G
Y0
GND
Y2
V
DD
Y3
Y1
Type
Input
Input
LVCMOS clock input.
Clock output enable.
LVCMOS clock output.
Connect to ground.
LVCMOS clock output.
1.8V to 3.3V power supply.
LVCMOS clock output.
LVCMOS clock output.
Description
Output
Power
4
5
6
7
8
Output
Power
Output
Output
Output Logic Table
Inputs
CLKIN
X
L
H
1G
L
H
H
Output
Yn
L
L
H
After at least three cycles of input clock toggling. Output Enable function is asynchronous to eliminate any intermediate incorrect output
clock cycles during transition which may cause frequency peaking to the downstream device.
©2018 Integrated Device Technology, Inc.
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October 15, 2018
5PB1104 Datasheet
Absolute Maximum Ratings
The absolute maximum ratings are stress ratings only. Stresses greater than those listed below can cause permanent damage to the
device. Functional operation of the 5PB1104 at absolute maximum ratings is not implied. Exposure to absolute maximum rating
conditions may affect device reliability.
Table 2. Absolute Maximum Ratings
Item
Supply Voltage, V
DD
Output Enable and All Outputs
Input Voltage, CLKIN
Ambient Operating Temperature (Grade 1)
Ambient Operating Temperature (Grade 2)
Storage Temperature
Junction Temperature
Soldering Temperature
3.8V
-0.4 V to V
DD
+ 0.5 V
-0.4 V to 3.465V
-40 to +125C
-40 to +105C
-65 to +150C
125C
260C
Rating
Thermal Characteristics
Table 3. Thermal Characteristics
Symbol
θ
JA
θ
JB
θ
JC
Still air.
Still air.
Still air.
Parameter
Value
120.2
63.3
99.4
Units
°C/W
°C/W
°C/W
Recommended Operating Conditions
Table 4. Recommended Operating Conditions
Parameter
Ambient Operating Temperature (Grade 1)
Ambient Operating Temperature (Grade 2)
Power Supply Voltage (measured in respect to GND)
Minimum
-40
-40
+1.71
Typical
Maximum
+125
+105
+3.465
Units
C
C
V
©2018 Integrated Device Technology, Inc.
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October 15, 2018
5PB1104 Datasheet
DC Electrical Characteristics
V
DD
= 1.8V, 2.5V, or 3.3V (see tables below). T
A
= -40°C to 125°C unless stated otherwise.
Table 5. DC Electrical Characteristics – V
DD
= 1.8V ±5%
Symbol
V
DD
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
Z
O
C
IN
Parameter
Operating Voltage
Input High Voltage, CLKIN
[1]
Input Low Voltage, CLKIN
[1]
Input High Voltage, 1G
Input Low Voltage, 1G
Output High Voltage
Output Low Voltage
Nominal Output Impedance
Input Capacitance
I
OH
= -5mA.
I
OL
= 5mA.
Conditions
Minimum
1.71
0.7 × V
DD
Typical
1.8
Maximum
1.89
0.3 × V
DD
Units
V
V
V
V
V
V
V
1.6
1.2
V
DD
0.6
0.45
50
5
0.7
0.7
11
25
37
39
1
1
13
30
47
57
Ω
pF
mA
mA
mA
mA
mA
mA
CLKIN, 1G pin.
0.001MHz, C
L
= 5pF.
0.008MHz, C
L
= 5pF.
40MHz, C
L
= 5pF.
100MHz, C
L
= 5pF.
156.25MHz, C
L
= 5pF.
200MHz, C
L
= 5pF.
I
DD
Operating Supply Current
1
Nominal switching threshold is V
DD
/2.
Table 6. DC Electrical Characteristics – V
DD
= 2.5V ±5%
Symbol
V
DD
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
Z
O
C
IN
Parameter
Operating Voltage
Input High Voltage, CLKIN
[1]
Input Low Voltage, CLKIN
[1]
Input High Voltage, 1G
Input Low Voltage, 1G
Output High Voltage
Output Low Voltage
Nominal Output Impedance
Input Capacitance
I
OH
= -8mA.
I
OL
= 8mA.
Conditions
Minimum
2.375
0.7 × V
DD
Typical
2.5
Maximum
2.625
0.3 × V
DD
Units
V
V
V
V
V
V
V
1.8
1.6
V
DD
0.7
0.625
50
5
Ω
pF
CLKIN, 1G pin.
©2018 Integrated Device Technology, Inc.
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October 15, 2018
5PB1104 Datasheet
Table 6. DC Electrical Characteristics – V
DD
= 2.5V ±5% (Cont.)
Symbol
Parameter
Conditions
0.001MHz, C
L
= 5pF.
0.008MHz, C
L
= 5pF.
40MHz, C
L
= 5pF.
100MHz, C
L
= 5pF.
156.25MHz, C
L
= 5pF.
200MHz, C
L
= 5pF.
Minimum
Typical
0.9
0.9
15
35
52
56
Maximum
1.3
1.3
17
42
67
80
Units
mA
mA
mA
mA
mA
mA
I
DD
Operating Supply Current
1
Nominal switching threshold is V
DD
/2.
Table 7. DC Electrical Characteristics – V
DD
= 3.3V ±5%
Symbol
V
DD
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
Z
O
C
IN
Parameter
Operating Voltage
Input High Voltage, CLKIN
[1]
Input Low Voltage, CLKIN
[1]
Input High Voltage, 1G
Input Low Voltage, 1G
Output High Voltage
Output Low Voltage
Nominal Output Impedance
Input Capacitance
Conditions
Minimum
3.135
0.7 × V
DD
Typical
3.3
Maximum
3.465
0.3 × V
DD
Units
V
V
V
V
V
V
V
2
I
OH
= -12mA.
I
OL
= 12mA.
50
CLKIN, 1G pin.
0.001MHz, C
L
= 5pF.
0.008MHz, C
L
= 5pF.
40MHz, C
L
= 5pF.
100MHz, C
L
= 5pF.
156.25MHz, C
L
= 5pF.
200MHz, C
L
= 5pF.
5
1.2
1.2
19
45
67
75
2.1
V
DD
0.8
0.825
Ω
pF
1.7
1.7
22
54
87
107
mA
mA
mA
mA
mA
mA
I
DD
Operating Supply Current
1
Nominal switching threshold is V
DD
/2.
©2018 Integrated Device Technology, Inc.
5
October 15, 2018
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