ZL40251 Series

Programmable 1:6 Multi-format Buffer

Catalog

Programmable 1:6 Multi-format Buffer

Part	Input	Type	Frequency - Max [Max]	Ratio - Input:Output	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Differential - Input:Output [custom]	Differential - Input:Output [custom]	Number of Circuits	Voltage - Supply [Max]	Voltage - Supply [Min]	Supplier Device Package	Output
Microchip Technology ZL40251LDG1
Microchip Technology ZL40251LDG1	CMOS, Crystal	Divider, Fanout Buffer (Distribution), Multiplexer	1.035 GHz	4:6	56-VFQFN Exposed Pad	85 °C	-40 °C	Surface Mount			1	3.465 V	1.71 V	56-QFN (8x8)	CML, CMOS, HCSL, HSTL, LVDS, LVPECL, SSTL

Catalog

Programmable 1:6 Multi-format Buffer

Key Features

• * Four Flexible Input Clocks: one crystal/CMOS input, two differential/CMOS inputs, one single-ended/CMOS input

• * Any input frequency up to 1GHz (300MHz for CMOS)

• * Manual clock switching by pin or register

• * 6 Universal Output Clocks with Dividers

• * Each output has independent divider

• * Low additive jitter <200fs RMS (12kHz-20MHz, for input frequencies above 100MHz)

• * Each output configurable as LVDS, LVPECL, HCSL, 2xCMOS or HSTL

• * In 2xCMOS mode, the P and N pins can be different frequencies (e.g. 125MHz and 25MHz)

• * Multiple output supply voltage banks with CMOS output voltages from 1.5V to 3.3V

• * Precise output alignment circuitry from GPIO pin or register bit

• * Per-output skew adjustment

• * Per-output enable/disable and glitchless start/stop (stop high or low)

• * Automatic self-configuration at power-up from internal EEPROM; up to 8 configurations pin-selectable

• * PCIe 1, 2, 3, 4 compliant

• * Four multi-purpose I/O pins

• * SPI or I2C processor Interface

• * Core supply voltage options: 2.5V only, 3.3V only, 1.8V+2.5V or 1.8V+3.3V

• * Space-saving 8x8mm QFN56 (0.5mm pitch)

• * Easy-to-use evaluation/programming software

Description

[CREATE AND SAMPLE YOUR CUSTOM ZL40251 HERE](https://clockworks.microchip.com/microchip/design/inputZL) ZL40251 6-output programmable fanout buffer with multi-format I/O and dividers offers the ability to create multiple copies of a clock signal and distribute them among several loads with minimal additive jitter. The ZL40251 features an intuitive graphical user interface (GUI) and the ability to create factory pre-programmed devices with ease using Microsemi’s web tool, miClockDesigner. These pre-programmed devices—which have pin-selectable configurations at power-up—ensure clock availability and proper system bring-up for all applications.