SY89841UMG TR Micrel Inc, SY89841UMG TR Datasheet
SY89841UMG TR
Specifications of SY89841UMG TR
SY89841UMGTR
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SY89841UMG TR Summary of contents
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General Description The SY89841U is a low jitter LVDS, 2:1 input multiplexer (MUX) optimized for redundant source switchover applications. multiplexers, the SY89841U unique 2:1 Runt Pulse Eliminator (RPE) MUX prevents any short cycles or “runt” pulses during switchover. In addition, ...
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Micrel, Inc. Typical Application Primary Clock From System IN0 50Ω 50Ω /IN0 V REF-AC0 IN1 50Ω 50Ω /IN1 Secondary Clock V REF-AC1 From Local Oscillator SEL (LVTTL/CMOS) February 2005 Primary Clock 2:1 MUX Secondary 0 Clock ...
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Micrel, Inc. (1) Ordering Information Part Number Package SY89841UMG MLF-16 (2) SY89841UMGTR MLF-16 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. Pin Configuration February 2005 Operating Type Range Industrial 841U with Pb-Free ...
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Micrel, Inc. Pin Description Pin Number Pin Name 4, 1, IN0, /IN0, 16, 13 IN1, /IN1 VREF-AC0 2, 14 VREF-AC1 3, 15 VT0, VT1 VCC SEL GND 9 Exposed Pad 11 CAP ...
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Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V )............................. –0.5V to +4.0V CC Input Voltage (V )..................................... –0. Termination Current Source or sink current on V ..................... ±100mA T Source or sink current on IN, /IN................ ±50mA ...
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Micrel, Inc. LVDS Outputs DC Electrical Characteristics V = 2.5V ±5 100 across output pair or equivalent Symbol Parameter V Output Common Mode Voltage OCM V Change in Common Mode Voltage OCM V Output Voltage ...
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Micrel, Inc. AC Electrical Characteristics V = 2.5V ±5 100 across output pair or equivalent Symbol Parameter f Maximum Operating Frequency MAX t Differential Propagation Delay pd In-to-Q In-to-Q SEL-to-Q SEL-to-Q t Differential Propagation Delay ...
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Micrel, Inc. Functional Description RPE MUX and Fail-Safe Input The SY89841U is optimized for clock switchover applications where switching from one clock to another clock without runt pulses (short cycles) is required. It features two unique circuits: Runt-Pulse Eliminator (RPE) ...
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Micrel, Inc. Case #2: Input Clock Failure: Switching from a selected clock stuck HIGH to a valid clock (RPE enabled). If CLK1 fails HIGH before the RPE MUX selects CLK2 (using the SEL pin), the switchover will occur in three ...
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Micrel, Inc. Case #4: Input Clock Failure: Switching from the selected clock input stuck in an undetermined state to a valid clock input (RPE enabled). If CLK1 fails to an undetermined state (e.g., amplitude falls below the 100mV (V single-ended ...
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Micrel, Inc. Typical Operating Characteristics V = 2.5, GND = 0V, V 400mV stated. Functional Characteristics V = 2.5, GND = 0V, V 400mV stated. February 2005 , t /t 300ps 100 ...
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Micrel, Inc. Singled-Ended and Differential Swings Figure 1a. Single-Ended Voltage Swing Input Stage February 2005 OUT 350mV (typical 50Ω 50Ω GND /IN Figure 2. Simplified Differential Input Stage ...
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Micrel, Inc. Input Interface Applications LVPECL / SY89841U GND 0.01µ 19Ω V REF-AC NC GND Figure 3a. LVPECL Interface (DC-Coupled CML /IN SY89841U V GND REF-AC ...
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Micrel, Inc. LVDS Output Interface Applications GND Figure 4a. LVDS Differential Measurement Related Product and Support Documentation Part Number Function SY89840U Precision LVPECL Runt Pulse Eliminator 2 :1 Multiplexer SY89842U Precision CML Runt Pulse Eliminator 2 ...
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Micrel, Inc. 16 Lead Micro LeadFrame Packages Notes: 1. Package meets Level 2 Moisture Sensitivity Classification. 2. All parts are dry-packed before shipment. 3. Exposed pad must be soldered to a ground for proper thermal management. MICREL, INC. 2180 FORTUNE ...