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CDCLVP111-SEP
  • CDCLVP111-SEP

CDCLVP111-SEP

ACTIVE

Radiation-tolerant 1:10 LVPECL high-speed clock buffer with selectable input clock driver

Texas Instruments CDCLVP111-SEP Product Info

1 April 2026 3

Parameters

Number of outputs

10

Additive RMS jitter (typ) (fs)

40

Core supply voltage (V)

3.3

Output supply voltage (V)

3.3

Output skew (ps)

50

Operating temperature range (°C)

-55 to 125

Rating

Space

Output type

LVPECL

Input type

CML, LVDS, LVPECL, SSTL

Package

HLQFP (VFP)-32-81 mm² 9 x 9

Features

  • Vendor item drawing (VID#): V62/12624-02YE
  • Radiation tolerance:
    • Total ionizing dose (TID): 50krad
    • Single-event latch-up (SEL): 43MeV × cm2/mg
  • Junction temperature range: –55°C to 125°C
  • Distributes One Differential Clock Input Pair (LVDS, CML, SSTL, LVPECL, LVECL) to 10 Differential LVPECL or LVECL outputs
  • Supports a Wide Supply Voltage Range From 2.375V to 3.8V
  • Selectable Clock Input Through CLK_SEL
  • Low-Output Skew (Typical 15ps) for Clock-Distribution Applications
    • Additive Jitter Less Than 1ps
    • Propagation Delay Less Than 355ps
    • Open Input Default State
    • LVDS, CML, SSTL Input Compatible
  • VBB Reference Voltage Output for Single-Ended Clocking
  • Frequency Range From DC to 3.5GHz
  • Space-enhanced plastic (space EP):
    • SUPPORTS DEFENSE, AND AEROSPACE APPLICATIONS
    • Controlled baseline
    • One assembly and test Site
    • One fabrication site
    • Extended product life cycle
    • Product traceability
    • Outgassing test performed per ASTM E595
  • Vendor item drawing (VID#): V62/12624-02YE
  • Radiation tolerance:
    • Total ionizing dose (TID): 50krad
    • Single-event latch-up (SEL): 43MeV × cm2/mg
  • Junction temperature range: –55°C to 125°C
  • Distributes One Differential Clock Input Pair (LVDS, CML, SSTL, LVPECL, LVECL) to 10 Differential LVPECL or LVECL outputs
  • Supports a Wide Supply Voltage Range From 2.375V to 3.8V
  • Selectable Clock Input Through CLK_SEL
  • Low-Output Skew (Typical 15ps) for Clock-Distribution Applications
    • Additive Jitter Less Than 1ps
    • Propagation Delay Less Than 355ps
    • Open Input Default State
    • LVDS, CML, SSTL Input Compatible
  • VBB Reference Voltage Output for Single-Ended Clocking
  • Frequency Range From DC to 3.5GHz
  • Space-enhanced plastic (space EP):
    • SUPPORTS DEFENSE, AND AEROSPACE APPLICATIONS
    • Controlled baseline
    • One assembly and test Site
    • One fabrication site
    • Extended product life cycle
    • Product traceability
    • Outgassing test performed per ASTM E595

Description

The CDCLVP111-SEP 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-SEP can accept two clock sources into an input multiplexer. The CDCLVP111-SEP is specifically designed for driving 50Ω transmission lines. When an output pin is not used, leaving the pin 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 50Ω.

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

For high-speed performance, the differential mode is strongly recommended.

The CDCLVP111-SEP is characterized for operation from –55°C to 125°C.

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