LMK00804B-Q1 Automotive, 1.5-V to 3.3-V, 1-to-4 high-performance LVCMOS fanout buffer & level translator</ | TI.com

LMK00804B-Q1
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Automotive, 1.5-V to 3.3-V, 1-to-4 high-performance LVCMOS fanout buffer & level translator

 

Description

The LMK00804B-Q1 is a high-performance clock fan-out buffer and level translator that can distribute up to four LVCMOS/LVTTL outputs (3.3-V, 2.5-V, 1.8-V, or 1.5-V levels) from one of two selectable inputs that can accept differential or single-ended inputs. The clock enable input is synchronized internally to eliminate runt or glitch pulses on the outputs when the clock enable terminal is asserted or deasserted. The outputs are held in logic low state when the clock is disabled. The LMK00804B-Q1 can also distribute a low-jitter clock across four transceivers and can improve the overall target detection and resolution in a cascaded mmWave radar system.

Features

  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C, TA
  • Four LVCMOS/LVTTL outputs supporting 1.5-V to 3.3-V levels
    • Additive jitter: 0.1-ps RMS (typical) at 40 MHz
    • Noise floor: –168 dBc/Hz (typical) at 40 MHz
    • Output frequency: 350 MHz (maximum)
    • Output skew: 35 ps (maximum)
    • Part-to-part skew: 550 ps (maximum)
  • Two selectable inputs
    • CLK_P, CLK_N pair accepts LVPECL, LVDS, HCSL, SSTL, LVHSTL, or LVCMOS/LVTTL
    • LVCMOS_CLK accepts LVCMOS/LVTTL
  • Synchronous clock enable
  • Core/output power supplies:
    • 3.3 V/3.3 V
    • 3.3 V/2.5 V
    • 3.3 V/1.8 V
    • 3.3 V/1.5 V
  • Package: 16-pin VQFN

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Parametrics

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Part number Order Function Additive RMS jitter (Typ) (fs) Output frequency (Max) (MHz) Number of outputs VCC out (V) VCC core (V) Features Operating temperature range (C) Rating Output type Package Group Package size: mm2:W x L (PKG) Input type
LMK00804B-Q1 Order now Single-ended     40     350     4     1.5
1.8
2.5
3.3    
3.3     Glitch-free output clock     -40 to 125     Automotive     LVCMOS     VQFN | 16     16VQFN: 9 mm2: 3 x 3 (VQFN | 16)     HCSL
LVCMOS
LVDS
LVPECL
LVTTL    
CDCLVC1104 Order now Single-ended     70     250     4     2.5
3.3    
2.5
3.3    
  -40 to 85     Catalog     LVCMOS     TSSOP | 8     8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)     LVCMOS    
CDCV304 Order now Single-ended     56     200     4     2.5
3.3    
2.5
3.3    
  -40 to 85     Catalog     LVTTL     TSSOP | 8     8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)     LVTTL    
LMK00105 Order now Single-ended     30     200     5     3.3
2.5
1.8
1.5    
2.5
3.3    
  -40 to 85     Catalog     LVCMOS     WQFN | 24     24WQFN: 16 mm2: 4 x 4 (WQFN | 24)     LVCMOS    
LMK00804B Order now Single-ended     40     350     4     3.3
2.5
1.8
1.5    
3.3       -40 to 85     Catalog     LVCMOS
LVTTL    
TSSOP | 16     16TSSOP: 22 mm2: 4.4 x 5 (TSSOP | 16)     HCSL
LVCMOS
LVDS
LVPECL
LVTTL