KM Series 1.8V CMOS kHz Crystal Oscillator
2.0 x 1.6mm
1.8V CMOS 32.768kHz
KM
KN Series Real Time Clock Oscillator
7.0x5.0mm (XO)
2.0 x 1.6mm Ceramic SMD
Product Features
•
32.768 kHz
•
1.8V CMOS compatible logic levels
•
Low power standby mode (< 10µA)
•
Low power active mode (< 80µA)
•
Designed for standard reflow and washing
techniques
•
Pb-free and RoHS/Green compliant
Package: (
Scale: none. Dimensions are in mm
)
Recommended Land Pattern:
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
Product Description
The KM Series real time clock oscillator
achieves superb stability over a broad range
of operating conditions. The output clock
signal is compatible with LVCMOS/LVTTL logic
levels. The device, available on tape and reel,
is contained in a 2.0 x 1.6mm surface-mount
ceramic package.
Pin Functions:
Pin
Function
1
2
3
4
OE
Ground
Clock Output
V
DD
Applications
Real-Time Clock Oscillator
Standby clock source
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
Part Ordering Information:
KM XXX YYYY
A: Product½Family
B: XXX = Frequency½Code
C: YYYY = Specification½Code
Following the above format, SaRonix-eCera part numbers will be assigned upon
confirmation of exact customer requirements.
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888
•
www.saronix-ecera.com
13-0012
All specifications are subject to change without notice.
KM 1.8V
REV A
Nov. 26, 2013
1
1.8V CMOS 32.768kHz
KM
KM Series 1.8V CMOS kHz Crystal Oscillator
2.0 x 1.6mm
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
Output Frequency
Supply Voltage
Supply Current, Output Enabled
Supply Current, Standby Mode
Frequency Stability
Operating Temperature Range
Output Logic 0, V
OL
Output Logic 1, V
OH
Output Load
Duty Cycle
Rise and Fall Time
45
0.9 V
DD
-20
-40
+1.71
32.768
+1.80
60
+1.89
80
10
±20 to ±50
+70
+85
0.1 V
DD
15
55
15
kHz
V
µA
µA
ppm
°C
V
V
pF
%
ns
As specified
Output Hi-Z
See Note 1 below
As specified
As specified
See Note 2 below
measured 50% of V
DD
measured 10/90% of V
DD
Notes:
1. As specified. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance
(25°C), aging (1 year at 25°C average effective ambient temperature), shock and vibration.
2. For specifications other than those listed, please contact sales.
Output Enable / Disable Function
Parameter
Min.
Typ.
Max.
Units
Notes
Input Voltage (pin 1), Output Enable
Input Voltage (pin 1), Output Disable (low power standby)
Internal Pullup Resistance
Output Disable Delay
Output Enable Delay
0.7 V
DD
0.3 V
DD
470
100
2
V
V
kΩ
ns
ms
or open
Output is Hi-Z
Absolute Maximum Ratings
Parameter
Min.
Typ.
Max.
Units
Notes
Storage Temperature
-55
+125
°C
For the latest product information visit:
http://www.pericom.com/products/crystals-and-crystal-oscillators/xo/?part=KM+1.8
For test circuit go to:
http://www.pericom.com/pdf/sre/tc_cmos2.pdf
For soldering reflow profile and reliability test ratings go to:
http://www.pericom.com/pdf/sre/reflow.pdf
For tape and reel information go to:
http://www.pericom.com/pdf/sre/tr_2016_xo.pdf
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888
•
www.saronix-ecera.com
13-0012
All specifications are subject to change without notice.
KM 1.8V
REV A
Nov. 26, 2013
2
嵌入式系统
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