XHTF1045 Chip Scale Atomic Clock

Miniature design;
Ultra low power consumption;
UART serial communication port;
Compatible with SA.45 pins

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Features

☆ Miniature design;

☆ Ultra low power consumption;

☆ UART serial communication port;

☆ Compatible with SA.45 pins;

☆ 1PPS input synchronization and 1PPS output.

Main Specifications

Output frequency		10MHz
Output electric level		CMOS electric level, 0V~Vcc, output impedance 1MΩ
Frequency accuracy at shipment		5E-11
Short term stability		3.0E-10/1S 1.0E-10/10S 3.0-11/100S
Phase Noise (SSB)	@10Hz	-70dBc/Hz
	@100Hz	-113dBc/Hz
	@1KHz	-128dBc/Hz
	@10KHz	-135dBc/Hz
Frequency drifting		≤9E-11/month
Steady state consumption (normal temperature, 25℃)		≤0.25W @3.3V
Power supply		3.3V±0.1V
Warm up performance (25℃)		≤3 min locked

Frequency Adjustment range	±2E-8
1PPS input synchronization function	Low electric level 0V-0.3V, high electric level 2.3V-3.0V, input impedance 1MΩ
1PPS input disciplined accuracy	Low electric level ＜0.3V, high electric level 2.3V-3.0V, input impedance 1MΩ
Holdover	≤5μs (holding time difference of 24hours after one day discipline)
External second synchronization function	1PPS synchronization accuracy is better than ±100ns
External second disciplined accuracy	≤5E-12 (holding time difference of 24hours after one day discipline)
Operating temperature	-40℃~+70℃ (+80℃ optional)
Temperature accuracy	≤1E-9 (5E-10 optional)
Storage temperature	-55℃~+85℃
MTBF	＞100,000 hours
Package	12 pins dual in-line package
External size	413511.7 (mm³)
Weight	≤35g

External Dimension

Pins Function

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