4-OUTPUT CK420BQ DERIVATIVE 16 NOVEMBER 4, 2016
9SQL4954 DATASHEET
Recommended Crystal Characteristics (3225 package)
Marking Diagram
Notes:
1. “YYWW” is the last two digits of the year and week that the part was assembled.
2. “$” denotes the mark code.
3. “I” denotes industrial temperature range device.
4. “LOT” is the lot sequence number.
Thermal Characteristics
PARAMETER VALUE UNITS NOTES
Frequency 25 MHz
Resonance Mode Fundamental
-
Frequency Tolerance @ 25°C
±
20 PPM Max
Frequency Stability, ref @ 25°C Over
Operating Temperature Range
±
20 PPM Max
Temperature Ran
e (commerical) 0~70 °
Temperature Ran
e (industrial) -40~85 °
C
Equivalent Series Resistance (ESR) 50
Ω
Max
Shunt Capacitance (C
O
)7pF Max
Load Capacitance (C
L
Drive Level 0.3 mW Max
Aging per year
±5
PPM Max
IDT
9SQL4954B
NLGI
YYWW$
LOT
PARAMETER SYMBOL CONDITIONS PKG TYP. UNITS NOTES
θ
JC
Junction to Case 42 °
C/W
1
θ
Jb
Junction to Base 2.4 °
C/W
1
θ
JA0
Junction to Air, still air 39 °
C/W
1
θ
JA1
Junction to Air, 1 m/s air flow 33 °
C/W
1
θ
JA3
Junction to Air, 3 m/s air flow 28 °
C/W
1
θ
JA5
Junction to Air, 5 m/s air flow 27 °
C/W
1
1
ePad soldered to board
Thermal Resistance NLG32
