CDCLVD1212RHAR 时钟和计时器

数据列表	CDCLVD1212RHAR
类别	集成电路（IC）
产品族	时钟/计时 - 时钟缓冲器，驱动器
系列	-
类型	扇出缓冲器（分配），多路复用器
电路数	1
比率 - 输入:输出	2：12
差分 - 输入:输出	是/是
输入	LVCMOS，LVDS，LVPECL
输出	LVDS
频率 - 值	800MHz
电压 - 电源	2.375V ~ 2.625V
工作温度	-40°C ~ 85°C
安装类型	表面贴装
封装/外壳	40-VFQFN 裸露焊盘
供应商器件封装	40-VQFN（6x6）

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FEATURES

• 2:12 Differential Buffer DESCRIPTION

• Low Additive Jitter: <300 fs RMS in The CDCLVD1212 clock buffer distributes one of two

10 kHz to 20 MHz selectable clock inputs (IN0, IN1) to 12 pairs of

differential LVDS clock outputs (OUT0, OUT11) with • Low Output Skew of 50 ps (Max) minimum skew for clock distribution. The

• Universal Inputs Accept LVDS, LVPECL, CDCLVD1212 can accept two clock sources into an

LVCMOS input multiplexer. The inputs can either be LVDS,

• Selectable Clock Inputs Through Control Pin LVPECL, or LVCMOS.

• 12 LVDS Outputs, ANSI EIA/TIA-644A Standard The CDCLVD1212 is specifically designed for driving

Compatible 50 Ω transmission lines. If driving the inputs in single

ended mode, the appropriate bias voltage (VAC_REF)

• Clock Frequency up to 800 MHz

should be applied to the unused negative input pin.

• 2.375–2.625 V Device Power Supply

The IN_SEL pin selects the input which is routed to • LVDS Reference Voltage, VAC_REF, Available for

the outputs. If this pin is left open it disables the Capacitive Coupled Inputs outputs (static). The part supports a fail safe function.

• Industrial Temperature Range –40°C to 85°C It incorporates an input hysteresis, which prevents

• Packaged in 6mm × 6mm 40-Pin QFN (RHA) random oscillation of the outputs in absence of an

input signal. • ESD Protection Exceeds 3 kV HBM, 1 kV CDM

The device operates in 2.5 V supply environment and

APPLICATIONS is characterized from –40°C to 85°C (ambient

• Telecommunications/Networking temperature). The CDCLVD1212 is packaged in

small 40-pin, 6mm × 6mm QFN package. • Medical Imaging

• Test and Measurement Equipment

• Wireless Communications

• General Purpose Clocking

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