1:12 LVCMOS/LVTTL

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概览

NB3V8312C 是一款高性能、低歪曲率 LVCMOS 扇出缓冲器,可基于最高 250 MHz 的 LVCMOS/LVTTL 输入分发 12 个超低抖动时钟。12 个 LVCMOS 输出引脚驱动 50Ω 串联或并联端接传输线路。这些输出还可通过 OE 输入禁用为高阻抗(三态),或在高电平时启用。NB3V8312C 提供启用输入、CLK_EN 引脚,同时启用时钟输出,或在低电平状态时对其禁用。因为此输入与输入时钟进行内部同步,仅在输入为低电平时进行变化,所以不会出现输出故障或矮脉冲生成。单独的 VDD 内核和 VDDO 输出电源允许输出缓冲器以与 VDD (VDD = VDDO) 的电源或更低电源电压允许。与单电源运行相比,双电源运行可实现更低功耗和输出电平兼容性。VDD 内核电源电压可设置为 3.3 V、2.5 V 或 1.8 V,VDDO 输出电源电压可设置为 3.3 V、2.5 V 或 1.8 V,但有个约束是 VDD >/= VDDO。

  • Networking
  • Telecom
  • Storage Area Networks
  • Servers
  • Routers
  • Switches
  • VDD core supply voltage can be set to 3.3 V, 2.5 V or 1.8 V
  • VDDO output supply voltage can be set to 3.3 V, 2.5 V, or 1.8 V, with the constraint that VDD >/= VDDO
  • 250 MHz Maximum Clock Frequency
  • Accepts LVCMOS, LVTTL Clock Inputs
  • 12 LVCMOS Clock Outputs
  • 150 ps Max. Skew Between Outputs
  • Temp. Range 40C to +85C
  • 32pin LQFP and QFN Packages
  • Synchronous Clock Enable

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NB3V8312CFAG

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Active

CAD Model

Pb

A

H

P

LQFP-32

2

260

JTRAY

250

Y

Buffer

1

1:12

LVTTL

LVCMOS

3.3

0.03

150

1.5

700

250

-

Price N/A

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NB3V8312CFAR2G

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Active

CAD Model

Pb

A

H

P

LQFP-32

2

260

REEL

2000

Y

Buffer

1

1:12

LVTTL

LVCMOS

3.3

0.03

150

1.5

700

250

-

Price N/A

More Details

NB3V8312CMNG

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Active

CAD Model

Pb

A

H

P

QFN-32

1

260

TUBE

74

Y

Buffer

1

1:12

LVTTL

LVCMOS

3.3

0.03

150

1.5

700

250

-

Price N/A

More Details

NB3V8312CMNR4G

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Active

CAD Model

Pb

A

H

P

QFN-32

1

260

REEL

1000

Y

Buffer

1

1:12

LVTTL

LVCMOS

3.3

0.03

150

1.5

700

250

-

Price N/A

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