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NCS25105
- 输入类型 : LVPECL, LVDS, HCSL, SSTL, LVCMOS, LVTTL
- 输入端口数 : 3
- 输出端口数 : 5
- 输出类型 : LVCMOS
- 器件类型 : Single-Ended Buffer
- Core Supply Voltage(V) :
- Output Supply Voltage(V) :
- Output frequency（Min）（MHz） :
- Output frequency（Max）（MHz） :
- Additive Jitter(fs) :
- Temperature Range :
- Package :
输入端口数: 3
输出端口数: 5
输出类型: LVCMOS
器件类型: Single-Ended Buffer
NCS25105
产品描述
产品描述
NCS25105 is a highly versatile, highperformance, lowpower clock fanout buffer which can distribute up to five lowjitter LVCMOS clock outputs from input which supports both differential and singleended clocks, or crystal. NCS25105 can operate up to 200MHz from inputs, and 8MHz to 50MHz from crystal input. NCS25105 supports synchronous output enable for glitchfree operation.
The Universal input and crystal input are supplied by core voltage VDD which can be set to 2.5V or 3.3V, while the 5 output drivers are separated into two groups, DRV CKY0CKY1 are supplied by VDDOA, and CKY2CKY4 are supplied by VDDOB. VDDOA and VDDOB can be set to the same supply from 1.5V, 1.8V, 2.5V, 3.3V, or set individually.
NCS25105 can be easily configured through pin programming. The overall additive jitter performance is 30 fs (typical).
产品参数
· High-performance crystal buffer with ultra-low noise floor of -170 dBc/Hz
· Low-power clock fanout buffer with additive jitter of 30 fs RMS (typical, 12kHz to 20MHz)
· Level translation from 3.3V or 2.5V core supply to output supply of 3.3V, 2.5V, 1.8V or 1.5V
· Device consists of universal input and crystal input which are selectable through input pins
· Clock inputs can accept LVPECL, LVDS, HCSL, SSTL, LVCMOS or LVTTL signals
· Both differential and single-ended input are supported with frequencies from DC to 200MHz
· Support either DC or AC-coupled input interface
· Crystal frequencies from 8MHz to 50MHz
· Crystal overdrive mode or bypass mode
· 5 Single-ended LVCMOS output with two independent output supply banks
· Operate up to 200MHz
· Low propagation delay of 1ns (typical)
· Output skew of 30ps (typical)
· Synchronous and glitch-free output enable through input pin
· Offered in 24-pin QFN package (5 mm x 5 mm)
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