|Category||Timing Circuits => Clock Distribution => General Purpose/|
|Description||Programmable Low Voltage 1:10 Differential LVDS Clock Driver|
|Company||ST Microelectronics, Inc.|
|Datasheet||Download STLVD111 datasheet
|PROGRAMMABLE LOW VOLTAGE 1:10 DIFFERENTIAL LVDS CLOCK DRIVER
100ps PART-TO PART SKEW 50ps BANK SKEW DIFFERENTIAL DESIGN MEETS LVDS SPEC. FOR DRIVER OUTPUTS AND RECEIVER INPUTS REFERENCE VOLTAGE AVAILABLE OUTPUT VBB LOW VOLTAGE VCC RANGE TO 2.625V HIGH SIGNALLING RATE CAPABILITY (EXCEEDS 622MHz) SUPPORT OPEN, SHORT AND TERMINATED INPUT FAIL-SAFE (LOW OUTPUT STATE) PROGRAMMABLE DRIVERS POWER OFF CONTROL
DESCRIPTION The is a low skew programmable to 10 differential LVDS driver, designed for clock distribution. The select signal is fanned out to 10 identical differential outputs. The STLVD111 is provided with a 11 bit shift register with a serial in and a Control Register. The purpose is to enable or power off each output clock channel and to select the clock input. The STLVD111 is specifically designed, modelled and ORDERING CODES
produced with low skew as the key goal. Optimal design and layout serve to minimize gate to gate skew within a device. The net result is a dependable guaranteed low skew device. The STLVD111 can be used for high performance clock distribution in 2.5V systems with LVDS levels. Designers can take advantage of the device's performance to distribute low skew clocks across the backplane or the board.
PlN N° SYMBOL SI CLK0 VBB CLK1 EN GND Q8 Q7 VCC Q4 Q3 GND Q1 Q0 VCC NAME AND FUNCTION Control Register Clock Control Register Serial IN/CLK_SEL Differential Input Differential Input Output Reference Voltage Differential Input Differential Input Device Enable/Program Ground Differential Outputs Differential Outputs Differential Outputs Differential Outputs Differential Outputs Differential Outputs Supply Voltage Differential Outputs Differential Outputs Differential Outputs Differential Outputs Differential Outputs Differential Outputs Differential Outputs Differential Outputs Ground Differential Outputs Differential Outputs Differential Outputs Differential Outputs Differential Outputs Differential Outputs Supply Voltage
Symbol VCC VI VO IOSD ESD Supply Voltage Input Voltage Output Voltage Driver Short Circuit Current Electrostatic Discharge (HBM 1.5K, 100pF) Parameter Value to (VCC+0.2) Continuous >2 KV Unit V
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.Symbol RTj-c Parameter Thermal Resistance Junction-Case Value 13 Unit °C/W
Symbol VCC VIC TA TJ Supply Voltage Receiver Common Mode Input Voltage Operating Free-Air Temperature Range Operating Junction Temperature Parameter Min 0.5(VID) -40 TYP Max 85 105 Unit V °CDRIVER ELECTRICAL CHARACTERISTICS (TA to 85 °C, VCC ± 5%, unless otherwise specified (Note 1, 2)
Value Symbol VOD VOS IOS Parameter Output Differential Voltage (Fig. 2) VOD Magnitude Change Offset Voltage VOS Magnitude Change Output Short Circuit Current = 0V VOD = 100 Test Conditions Min. 400 Typ. 500 Max. V mA Unit
NOTE 1: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise specified. NOTE 2: All typical values are given for VCC = 2.5V and = 25°C unless otherwise stated.RECEIVER ELECTRICAL CHARACTERISTICS (TA to 85 °C, VCC ± 5%, unless otherwise specified (Note 1, 2)
Value Symbol VIDH VIDL IIN Parameter Input Threshold High Input Threshold Low Input Current = 0VCC Test Conditions Min. Typ. Max. mV µA Unit
NOTE 1: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise specified. NOTE 2: All typical values are given for VCC = 2.5V and = 25°C unless otherwise stated.
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