KT3225T32768EAW30TXX KSS | Alldatasheet
Document overview
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Technical content
Features
- Miniature SMD type (3.2×2.5×1.0mm)
- Built-in 32.768kHz D-TCXO
- High frequency stability : ±5.0x10-6/ -40 to +85°C
- Low supply current : 1.5μA typ (VDD=3.0V)
- Temperature compensated voltage Range : 2.0V to 5.5V
Applications
- High accuracy time references
- Microcontroller with built in RTC Specifications Item Symbol Conditions Specifications Units Min. Typ. Max. Nominal Frequency f_nom ― 32.768 ― kHz Oscillation Output Voltage VDD 1.3 3.0 5.5 V Temperature Compensated Voltage VTEM 2.0 3.0 5.5 V Storage Temperature T_stg -40 +25 +85 °C Operating Temperature T_use -40 +25 +85 °C Frequency Tolerance ― Ta=25±2°C -3.0 ― +3.0 ×10-6 Frequency Stability vs Temp. fo-Tc E : Ta=-40 to +85°C -5.0 ― +5.0 ×10-6 Frequency Stability vs Supply Voltage df/ fo VDD=2.0 to 5.5V, Ta=25±2°C -1.0 ― +1.0 ×10-6/ V Frequency Aging f_age -3.0 ― +3.0 ×10-6 Low Level Output Voltage VOL IOL=+1.0mA, VDD=3V 0.0 ― 0.8 V High Level Output Voltage VOH IOH=-1.0mA, VDD=3V 2.2 ― 3.0 V Low Level Input Voltage VIL 0.0 ― 0.2×VDD V High Level Input Voltage VIH 0.8×VDD ― 5.5 V DUTY Ratio Duty CL=15pF 40 ― 60 % Rise Time tr 20%VDD→80%VDD, CL=15pF , VDD=3V ― ― 100 nsec Fall Time tf 80%VDD→20%VDD, CL=15pF , VDD=3V ― ― 100 nsec Start-up Time t_str Ta=25°C ― ― 1.0 sec Ta=-40 to 85°C ― ― 3.0 sec Power Supply Current1 ICC1 CLKOE=VSS ― 0.6 2.0 μA Power Supply Current2 ICC2 CLKOE=VDD ― 1.5 4.0 μA Output Load Condition L_CMOS CMOS Output ― ― 15.0 pF 3.2±0.2 2.5±0.2 #1 #2 #3 #4 #7#8 #6 #5 1.0 max. 0.270.7 1.1 Pin No Function #1 CLKOE #2 N.C #3 N.C #4 V SS #5 CLKOUT #6 N.C #7 N.C #8 V DD 0.35 C0.15 0.50.4 #7#8 #6 #5 0.5 0.50.45 R0.15 #1 #2 #3 #4 K Dimensions (Unit: mm) Note: A capacitor of value 0.01µF between V DD and GND is recommended. 0.85 0.550.55 0.60.6 0.85 0.40.4 0.4 1.1 Recommended Land Pattern (Unit: mm)