Catalog
TimeBuffer with up to 10 Inputs 20 Outputs
Key Features
• Highlights* Time signal fanout
• * One DPLL for buffer channel
• * Second DPLL for input phase/frequency measurement
• * Time signal conversion between Ref-Sync pair and embedded Sync signals
• * Time signal phase/frequency measurement
• * Inputs: up to 10, differential or single-ended
• * Any input frequency from 1 kHz to 1250 MHz
• * Any frequency 0.5 Hz to 500 MHz
• * Outputs: up to 10 differential, up to 20 CMOS
• * Core power consumption <0.9W
•
• General Features* Automatic self-configuration at power-up from internal Flash memory, 7 configurations
• * Input-to-output alignment <100 ps
• * Fast Ref-Sync locking for frequency and 1PPS phase alignment with lower-cost oscillator
• * Easy-to-configure design requires no external VCXO or loop filter components
• * 5 GPIO pins with many possible behaviors, each REF can be GPI, each OUT can be GPO
• * SPI or I2C processor Interface
• * 1.8V and 3.3V core VDD voltages
• * Easy-to-use evaluation/programming software
Description
AI
The ZL30640 is a feature-rich TimeBuffer with two independent DPLLs, up to 10 inputs and 20 outputs. This time-signal fanout solution is ideal to companion timing card or line card timing ICs for 5G telecom systems.
Other devices in this family include [**ZL30731**](https://www.microchip.com/wwwproducts/en/ZL30731), [**ZL30732**](https://www.microchip.com/wwwproducts/en/ZL30732), [**ZL30732A**](https://www.microchip.com/wwwproducts/en/ZL30732A), [**ZL30733**](https://www.microchip.com/wwwproducts/en/ZL30733), [**ZL30733A**](https://www.microchip.com/wwwproducts/en/ZL30733A), [**ZL30733AS**](https://www.microchip.com/wwwproducts/en/ZL30733AS), [**ZL30734**](https://www.microchip.com/wwwproducts/en/ZL30734), [**ZL30735**](https://www.microchip.com/wwwproducts/en/ZL30735), [**ZL30735A**](https://www.microchip.com/en-us/product/ZL30735A), [**ZL30631**](https://www.microchip.com/wwwproducts/en/ZL30631), [**ZL30632**](https://www.microchip.com/wwwproducts/en/ZL30632), [**ZL30633**](https://www.microchip.com/wwwproducts/en/ZL30633), [**ZL30633AS**](https://www.microchip.com/wwwproducts/en/ZL30633AS), [**ZL30634**](https://www.microchip.com/wwwproducts/en/ZL30634), [**ZL30634A**](https://www.microchip.com/wwwproducts/en/ZL30634A), [**ZL30635**](https://www.microchip.com/wwwproducts/en/ZL30635), [**ZL30641**](https://www.microchip.com/wwwproducts/en/ZL30641), [**ZL30642**](https://www.microchip.com/wwwproducts/en/ZL30642), [**ZL30642A**](https://www.microchip.com/wwwproducts/en/ZL30642A), [**ZL30642A**](https://www.microchip.com/wwwproducts/en/ZL30642AS)**S,** [**ZL30643**](https://www.microchip.com/wwwproducts/en/ZL30643), [**ZL30644**](https://www.microchip.com/wwwproducts/en/ZL30644), [**ZL30644A**](https://www.microchip.com/wwwproducts/en/ZL30644A), [**ZL30645**](https://www.microchip.com/wwwproducts/en/ZL30645)and [**ZL30640A**](https://www.microchip.com/wwwproducts/en/ZL30640A), which are targeted for 5G SyncE & IEEE1588/PTP timing and line card applications.