CDCLVP111系列介绍资料

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CDCLVP111

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具有可选输入的 1:10 LVPECL 缓冲器

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The CDCLVP111 clock driver distributes one differential clock pair of LVPECL input, (CLK0, CLK1) to ten pairs of differential LVPECL clock (Q0, Q9) outputs with minimum skew for clock distribution. The CDCLVP111 can accept two clock sources into an input multiplexer. The CDCLVP111 is specifically designed for driving 50-Ω transmission lines. When an output pin is not used, leaving it open is recommended to reduce power consumption. If only one of the output pins from a differential pair is used, the other output pin must be identically terminated to 50 Ω.

The V_BB reference voltage output is used if single-ended input operation is required. In this case, the V_BB pin should be connected to CLK0 and bypassed to GND through a 10-nF capacitor.

However, for high-speed performance up to 3.5 GHz, the differential mode is strongly recommended.

The CDCLVP111 device is characterized for operation from –40°C to 85°C.

Distributes One Differential Clock Input Pair
LVPECL to 10 Differential LVPECL
Fully Compatible With LVECL and LVPECL
Supports a Wide Supply Voltage Range from
2.375 V to 3.8 V
Selectable Clock Input Through CLK_SEL
Low-Output Skew (Typical 15 ps) for Clock-
Distribution Applications
- Additive Jitter Less Than 1 ps
- Propagation Delay Less Than 350 ps
- Open Input Default State
- LVDS, CML, SSTL Input Compatible
V_BB Reference Voltage Output for Single-Ended
Clocking
Available in a 32-Pin LQFP and QFN Package
Frequency Range From DC to 3.5 GHz
Pin-to-Pin Compatible With MC100 Series EP111,
ES6111, LVEP111, PTN1111
APPLICATIONS
- Designed for Driving 50-Ω Transmission Lines
- High Performance Clock Distribution

All other trademarks are the property of their respective owners

Function	Differential
Additive RMS jitter (typ) (fs)	40
Output frequency (max) (MHz)	3500
Number of outputs	10
Output supply voltage (V)	2.5, 3.3
Core supply voltage (V)	2.5, 3.3
Output skew (ps)	30
Features	1
Operating temperature range (°C)	-40 to 85
Rating	Catalog
Output type	LVPECL
Input type	CML, LVDS, LVPECL, SSTL

LQFP (VF)	32	81 mm² 9 x 9
VQFN (RHB)	32	25 mm² 5 x 5

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CDCLVP111

具有可选输入的 1:10 LVPECL 缓冲器

4000-306-326