Timers & Clocks
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Satellite-Synchronized Network Clock is accurate to ±40 ns.
Schweitzer Engineering Laboratories Inc.
Pullman, WA 99163
Sep 15, 2014
Designed for critical infrastructure and harsh environments, Model SEL-2488 receives GNSS time signals and distributes precise time via multiple output protocols, including IRIG-B and NTP. Device provides time delay compensation for antenna cables and output cables on per-port basis to further optimize time distribution accuracy. For security, clock features Syslog Ethernet standard for event messaging, role-based accounts and LDAP for user authentication, and secure HTTPS web interface.
Programmable Clock offers ultra-low phase noise jitter of <200 fs.
Fremont, CA 94538
Aug 22, 2014
Supplied in 3 x 3 mm QFN-12 package, XR81112 series offers output frequencies from 10 MHz to 1.5 GHz. Clock synthesizer utilizes flexible delta-sigma modulator and VCO in PLL block optimized for power efficacy. PLL can operate from input system clock or crystal and incorporates both integer divider and high-resolution (<1 Hz) fractional divider for flexibility to generate any clock frequency. With core current consumption of 20 mA, series is configurable for LVCMOS, LVDS or LVPECL outputs.
Single-Mode ON-Delay Industrial Timer comes in compact package.
Marsh Bellofram Corp.
Newell, WV 26050
Jul 22, 2014
Accepting 110 Vac (50 or 60 Hz) supply voltage, single-function Model 175SO-110 has low-profile (17.5 mm), DIN rail-mount housing and provides timing control within OEM and industrial applications. UL-listed and CE-certified product features 5 A SPDT relay output contact configuration, LED indication, and 10 unique, user-selectable time ranges that can be selected from 0.1 sec to 3 hr. Time range and scale are configurable via front facing knobs.
Synchronized Wireless/Wired Clocks automatically adjust for DST.
Denville, NJ 07834
Jun 23, 2014
Synchronized wireless and wired clock systems automatically adjust for Daylight Saving Time (DST) and include remote programming capability. This functionality eliminates concerns over changing time every spring and fall and negates need to be on-site to schedule changes.
SFF GPS Clock synchronizes, automates electricity distribution.
Southfield, MI 48034
Jun 11, 2014
Targeting utility substations and industrial SCADA applications, MultiSync 100 1588 GPS Clock lets grid assets, including wide-area protection, monitoring, and control devices, operate at optimal level for secure and continuous flow of power. Solution incorporates universal power supply and provides 1588/C37.238 time synchronization over Ethernet network. Measuring 45 x 110 x 155 mm, clock is intended for DIN-rail mounting and hardened for utility substation applications.
Low Noise Chip Scale Atomic Clock addresses SWaP requirements.
Irvine, CA 92614
May 28, 2014
LN CSAC model 090-01921-000 employs ULP crystal oscillator within control loop of atomic clock. Phase noise performance of -87 dBc/Hz at 1 Hz offset and noise floor of -155 dBc comes with power consumption of 240 mW, and Allan deviation at 1 sec improves to <2-11. This low power frequency reference and timing module produces atomic clock accuracy and crystal oscillator signal purity that can operate using battery power to provide low power signal generation for range of applications.
Wide Frequency Universal Clocks offer ultra-low jitter.
Fremont, CA 94538
May 05, 2014
Supplied in QFN-10 and TSSOP-8 packages footprint compatible with industry standard synthesizers, XR811xx series offers output frequencies from 10 MHz to 1.5 GHz with ultra-low phase noise jitter of <200 fS. Synthesizer design utilizes flexible delta-sigma modulator and wide-ranging VCO in PLL block, and core current consumption is 20 mA. PLL can operate from either input system clock or crystal and incorporates both integer divider and high-resolution (<1 Hz) fractional divider.
Ruggedized Rubidium Clock performs in high EMI environments.
Neuchtel 2000 Switzerland
Nov 01, 2013
Supplied in EMI-shielded package, SRO-5680 utilizes SmarTiming+® technology to intelligently synchronize, discipline, and control any Stratum-1 reference, such as GPS/GNSS, Cesium, Hydrogen Maser, and T1/E1, at 1 ns resolution. This GPS/GNSS synchronized Rubidium oscillator isolates precision timing and frequency signals on 3 SMA connectors: 1 PPS reference input, 1 PPS output, and 10 MHz RF output. Intended areas of use include defense, radar, and communications applications.
Rugged cPCI Time Code Processor serves critical applications.
Rochester, NY 14623
Oct 28, 2013
Tested for shock and vibration to MIL-STD-810F, TSync-cPCI leverages Spectracom timing and synchronization engine in 3U board compliant to PICMG 2.0. This compact PCI (cPCI) timing board can synchronize its clock to various signals, including GPS L1 (civilian), encrypted GPS (SAASM), GLONASS L1, IRIG time code, or precision pulse-per-second. Choice of on-board clock with 5 nsec resolution provides time and frequency accuracy even in case of loss of external reference.
Ethernet Time Interval Counter contains 5 time-stampers.
San Francisco, CA 94103
Oct 28, 2013
Controlled via 100 Mbit Ethernet and USB interfaces, 5-channel Model T680 is suited for industrial and laboratory test and measurement. Each channel can snapshot time of rising edge of one electrical input, to 12.2 ps resolution with 48-bit range. In time-stamp mode, individual time stamps may be read, and in TIC mode, channel 0 may be used as start time reference for channels 1–4, with option to acquire times after or before/after start event.
Hybrid Crystal Timing Device targets automotive applications.
Murata Electronics North America, Inc.
Smyrna, GA 30080
Oct 07, 2013
Measuring 2.5 x 2.0 mm, XRC Series is available with nominal frequencies of 12–24 MHz, providing highly accurate clock for automotive electronic control units. Typically used for in-vehicle networks such as CAN and FlexRay, series incorporates crystal element within ceramic resonator package structure. Frequency tolerance is typically ±100 ppm at 25°C, and operating temperature range is -40 to +125°C.
Functional Modules integrate RTC and solid state battery.
Cardinal Components, Inc.
Wayne, NJ 07470
Sep 30, 2013
Housed in 10 x 12 mm SMD package, Real Time Plus™ Modules integrate Real Time Clock with 2-wire I2C control, RoHS solid state battery, trickle charge-recharging circuit, power management circuit, and 32 kHz watch crystal. Devices also incorporate 8 Bytes of RAM and 2 Bytes of EEPROM. Providing 4-, 20-, and 90-day battery backup, respectively, Models CRTPN05, CRTPA12, and CRTPA5 are suited for consumer electronics, industrial, commercial, aerospace, agricultural, medical, and military markets.
System Timers cut standby power consumption.
Texas Instruments, Inc., Semiconductors
Dallas, TX 75243
Aug 26, 2013
Drawing only 30 nA of current, Model TPL5000 with watchdog timer and Model TPL5100 with MOS driver replace microcontroller's internal timer, allowing MCU to remain in low-power sleep mode. TPL5000's selectable timing delay can be set from 1–64 sec to further extend battery life in applications such as smoke detectors. It can also be programmed for 16- to 1,024-sec intervals in energy harvesters, wireless sensor nodes, and data loggers, where measurement data changes slowly.
Web/Mobile Application helps track and manage time and attendance.
Tyler Technologies, Inc.
Phoenix, AZ 85012
Jul 24, 2013
Used via Web browser and mobile devices, eTimekeeper allows public sector employees to access time and attendance tracking remotely. Supervisors can access various management functions from dashboard to facilitate personnel management, configuration, and data reporting, while employees may create honor punch (retroactive punch with valid reason), view history and comments, and receive notifications via Web. Secure login requires discrete user name and password for each employee.
GPS Satellite Time Reference has ROHS-compliant design.
Cyber Sciences, Inc.
Murfreesboro, TN 37129
Jun 10, 2013
Using GPS technology, STR-100 provides accurate date and time for power system devices. PB-free solution accepts time reference signal from smart antenna or standard IRIG-B signal from GPS receiver or other precision time source and generates precision time signals using DCF77 or 1per10 time protocols (nominal) or IRIG-B (optional). This makes product suited for use in Sequence of Events Recording (SER) applications as precision time reference for protective relays and power monitors.
Ethernet Timing Card supports narrow loop bandwidths.
Irvine, CA 92614
Jun 10, 2013
Intended for mobile infrastructure and packet-based carrier Ethernet networks, ZL30162 single-chip timing card device features 4 T0 programmable integrated digital phase lock loops (DPLLs) capable of locking up to 11 inputs for applications that require independent transmit and receive timing paths. Timing card devices ZL30161 and ZL30163 feature single and dual DPLLs, respectively. Each of DPLLs on all models can be configured to perform as NCOs.
High-Speed Clock Generator is offered in PMC/XMC form factor.
Upper Saddle River, NJ 07458
Jun 03, 2013
Delivering clock frequencies up to 2 GHz, Model 7194 provides fixed frequency sample clocks to up to 4 analog-to-digital Cobalt® and Onyx® modules in multi-board systems. Generator enables synchronous sampling, playback, and timing for range of multichannel, high-speed data acquisition and software radio applications. Using PMC P14 or XMC P15 connectors solely for power, product can be mounted in any PMC or XMC site. Carriers enable adaption for PCIe, AMC, cPCI, VME, and VPX.
Turnkey Timing System offers multi-channel measurement.
San Jose, CA 95131
Apr 10, 2013
Intended for government agencies and metrology laboratories, Precise Time-Scale System establishes regional, national, and global timing references in one instrument rack, without need for various system components from multiple vendors. System delivers local coordinated universal time in time scale with frequency accuracy of ±1E-14 and time accuracy to 10 ns RMS to UTC. System comes with measurement hardware/software, real-time clock with variety of outputs, database server, and battery backup.
Countdown Timer features 1 1/2 in. digits.
Houston, TX 77258 8307
Jan 16, 2013
Viewable from 60 ft, Traceable® Extra, Extra, Large Digit Countdown Timer can time up to 99 minutes, 59 seconds with 1 sec resolution and 0.01% accuracy. Three-key operation enables users to program countdown settings in 1 sec increments. After counting down, alarm sounds and timer counts up to indicate elapsed time since alarming. Measuring 3 1/8 x 2 ¾ x 1 in., timer is supplied with battery, flip-open stand, clip, magnet, and Traceable® Certificate.
Multifunction Timers use solid state relay technology.
San Diego, CA 92154
Dec 14, 2012
Housed in 11 mm wide DIN rail mounted package, SeriesOne DR Timers provide 8 microprocessor-based timing functions with 18 possible variations. Basic timing function selection is user settable via screw slot rotary switches on side of timers, while unit and fine timing adjustments are made on front panel. Designed for direct control of resistive and inductive loads, series is available with solid state output ratings of either 6 A/24–280 Vac or 6 A/1–60 Vdc, both at 40°C ambient temperature.
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