(China (Mainland))
Product Summary
The CDC2536DBR is a high-performance, low-skew, low-jitter clock driver. It uses a phase-lock loop (PLL) to precisely align, in both frequency and phase, the clock output signals to the clock input (CLKIN) signal. It is specifically designed for use with synchronous DRAMs and popular microprocessors operating at speeds from 50 MHz to 100 MHz or down to 25 MHz on outputs configured as half-frequency outputs. The CDC2536DBR operates at 3.3-V VCC and is designed to drive a 50Ω transmission line. The CDC2536DBR also provides on-chip series-damping resistors, eliminating the need for external termination components.
Parametrics
CDC2536DBR absolute maximum ratings: (1)Supply voltage range, VCC: -0.5 V to 4.6 V; (2)Input voltage range, VI: -0.5 V to 7 V; (3)Voltage range applied to any output in the high state or power-off state, VO: -0.5 V to 5.5 V; (4)Current into any output in the low state, IO: 24 mA; (5)Input clamp current, IIK (VI < 0): -20 mA; (6)Output clamp current, IOK (VO < 0): -50 mA; (7)Maximum power dissipation at TA = 55℃ (in still air): 0.68 W; (8)Storage temperature range, Tstg: -65℃ to 150℃.
Features
CDC2536DBR features: (1)Low Output Skew for Clock-Distribution and Clock-Generation Applications; (2)Operates at 3.3-V VCC; (3)Distributes One Clock Input to Six Outputs; (4)One Select Input Configures Three Outputs to Operate at One-Half or Double the Input Frequency; (5)No External RC Network Required; (6)On-Chip Series Damping Resistors; (7)External Feedback Pin (FBIN) Is Used to Synchronize the Outputs to the Clock Input; (8)Application for Synchronous DRAM, High-Speed Microprocessor; (9)TTL-Compatible Inputs and Outputs; (10)Outputs Drive 50-W Parallel-Terminated Transmission Lines; (11)State-of-the-Art EPIC-IIBE BiCMOS Design Significantly Reduces Power Dissipation; (12)Distributed VCC and Ground Pins Reduce Switching Noise; (13)Packaged in Plastic 28-Pin Shrink Small-Outline Package.
Diagrams
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 CDC2536DBR |
Texas Instruments |
Clock Drivers & Distribution 3.3V PLL Clock Drvr |
Data Sheet |
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CDC2536DBRG4 |
Texas Instruments |
Clock Drivers & Distribution 3.3V PLL Clock Drvr |
Data Sheet |
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