1
All specications are subject to change without notice. KK 3.3V REV B 2011_DEC 07
SaRonix-eCera™ is a Pericom® Semiconductor company • US: +1-408-435-0800 TW: +886-3-4518888 • www.saronix-ecera.com
3.3V CMOS 32.768kHz
KK Series 3.3V CMOS kHz Crystal Oscillator
3.2 x 2.5mm
KK
KN Series Real Time Clock Oscillator
7.0x5.0mm (XO)
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
Product Features
•32.768 kHz
•3.3V CMOS compatible logic levels
•Low power standby mode (< 10µA)
•Low power active mode (<0.3mA typ.)
•Designed for standard reow and washing
techniques
•Pb-free and RoHS/Green compliant
Product Description
The KK 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 3.2 x 2.5mm surface-mount
ceramic package.
Applications
Real-Time Clock Oscillator
Package: (Dimensions are in mm)
Pin Functions:
Pin Function
1 OE Function
2 Ground
3 Clock Output
4 VDD
Recommended Land Pattern:
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
3.2 x 2.5mm Ceramic SMD
Part Ordering Information:
KN XXX YYYY
Product�Family
XXX = Frequency�Code
YYYY = Specification�Code
Following the above format, SaRonix-eCera part numbers will be assigned upon
conrmation of exact customer requirements.
K
11-0037
2
All specications are subject to change without notice. KK 3.3V REV B 2011_DEC 07
SaRonix-eCera™ is a Pericom® Semiconductor company • US: +1-408-435-0800 TW: +886-3-4518888 • www.saronix-ecera.com
3.3V CMOS 32.768kHz
KK Series 3.3V CMOS kHz Crystal Oscillator
3.2 x 2.5mm
KK
Output Enable / Disable Function
Parameter Min. Typ. Max. Units Notes
Input Voltage (pin 1), Output Enable 0.7 VDD V or open
Input Voltage (pin 1), Output Disable (low power standby) 0.3 VDD V Output is Hi-Z
Internal Pullup Resistance 470 kΩ
Output Disable Delay 100 ns
Output Enable Delay 10 ms
Electrical Performance
Parameter Min. Typ. Max. Units Notes
Output Frequency 32.768 kHz As specied
Supply Voltage +2.97 +3.3 +3.63 V
Supply Current, Output Enabled 0.3 0.5 mA +3.63 VDC, 15 pF load
Supply Current, Standby Mode 10 µA Output Hi-Z
Frequency Stability ±20 to ±50 ppm See Note 1 below
Operating Temperature Range -20 +70 °C As specied
-40 +85 As specied
Output Logic 0, VOL 0.1 VDD V
Output Logic 1, VOH 0.9 VDD V
Output Load 15 pF See Note 2 below
Duty Cycle 45 55 % measured 50% of VDD
Rise and Fall Time 15 nsec measured 10/90% of VDD
Notes:
1. As specied. 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 specications other than those listed, please contact sales.
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/timing/oscillators/KK3.3/
For test circuit go to: http://www.pericom.com/pdf/sre/tc_cmos2.pdf
For soldering reow prole and reliability test ratings go to: http://www.pericom.com/pdf/sre/reow.pdf
For tape and reel information go to: http://www.pericom.com/pdf/sre/tr_3225_xo.pdf
11-0037