Features
● Crystal oscillator (SPXO)
● Frequency range (fo):
25 MHz to 500 MHz
● Output:
HCSL
● Supply voltage:
2.5 V Typ. / 3.3 V Typ.
● Frequency tolerance:
±20 × 10
-6
● Operating temperature:
-40 °C to +105 °C
● Low phase jitter:
60 fs Typ. (fo = 100 MHz)
● PCIe Gen5, 6 jitter specification compliant
Applications
● Communication equipment using PCIe Gen5 or 6
(SSD, Network card, etc)
Description
Epson's SG2016HGN / SG2520HGN, SG2016HHN / SG2520HHN product family supports HCSL (High Speed
Current Steering Logic) and meets timing compliance jitter requirements up to PCIe Gen6. With 90 ps maximum
phase jitter, and supporting frequencies from 25 MHz to 500 MHz, the product group covers the system
requirements of most networking, data center and communication applications.
Outline Drawing and Terminal Assignment
Typical Performance
SG2016HHN SG2520HHN Phase Noise (fo = 100 MHz)
Phase Jitter (12 kHz to 20 MHz): 60 fs Typ.
Low Phase Jitter Crystal Oscillator: SG2016HHN/SG2520HHN
SG2520HHN
SG2016HHN
Pin Connection
1 OE/S T
2 N.C. (Open or V
CC
)
3 GND
4 OUT
5 O U T
6 V
CC
Page 1 / 24 Spec No : SGxxxxHHN_E_Ver1.01
[ 1 ] Product Number / Product Name
(1-1) Product Number
SG2016HHN: X1G006231xxxx15
SG2520HHN: X1G005931xxxx15
(Please contact Epson for details)
(1-2) Product Name (Standard Form)
①Model
②Output (H: HCSL)
③Frequency
④Supply voltage
⑤Frequency tolerance
⑥Operating temperature
⑦Function
⑧Output disable status
(Z: High impedance)
⑨Output option
[ 2 ] Absolute Maximum Ratings
Min. Typ. Max.
Maximum supply voltage
V
CC
-0.3 - 4.0 V
Input voltage Vin -0.3 -
V
CC
+ 0.5
V
OE/S T terminal
Storage temperature range T_stg -55 - +125 °C
[ 3 ] Operating Range
Min. Typ. Max.
2.375 2.5 2.625 V
3.135 3.3 3.465 V
Supply voltage GND 0.0 0.0 0.0 V
-40 +25 +85 °C
-40 +25 +105 °C
HCSL load condition L_HCSL ��
* Power supply startup time (0 %V
CC
→90 %V
CC
) should be more than 150 μs
* A 0.1 μF and a 10 μF bypass capacitor should be connected between V
CC
and GND pins located close to the device
Parameter
Symbol
Parameter
Symbol
Specification
Unit
Conditions
Conditions
Specification
Unit
Supply voltage
V
CC
Operating temperature range
T_use
50
SG2016HHN 100.000000MHz C C G P Z A
①
② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨
⑥Operating temperature
D 2.5 V Typ. G
-40 °C to +85 °C
C 3.3 V Typ. H
-40 °C to +105 °C
⑦Function
C
±20 × 10
-6
P
Output Enable
S
Standby
⑨Output option
A
V
SW
= 0.7 V to 1.4 V
B
V
SW
= 0.8 V to 1.6 V
④Supply voltage
⑤Frequency tolerance
Page 2 / 24 Spec No : SGxxxxHHN_E_Ver1.01