用于生成准确延时和振荡的低功耗 555 定时器 - LMC555

LMC555 (正在供货)

用于生成准确延时和振荡的低功耗 555 定时器

 

描述

The LMC555 device is a CMOS version of the industry standard 555 series general-purpose timers. In addition to the standard package (SOIC, VSSSOP, and PDIP) the LMC555 is also available in a chip-sized package (8-bump DSBGA) using TI’s DSBGA package technology. The LMC555 offers the same capability of generating accurate time delays and frequencies as the LM555 but with much lower power dissipation and supply current spikes. When operated as a one-shot, the time delay is precisely controlled by a single external resistor and capacitor. In the astable mode the oscillation frequency and duty cycle are accurately set by two external resistors and one capacitor. The use of TI’s LMCMOS process extends both the frequency range and the low supply capability.

特性

  • Industry’s Fastest Astable Frequency of 3 MHz
  • Available in Industry’s Smallest 8-Bump DSBGA Package (1.43mm × 1.41mm)
  • Less Than 1 mW Typical Power Dissipation at 5 V Supply
  • 1.5 V Supply Operating Voltage Ensured
  • Output Fully Compatible With TTL and CMOS Logic at 5 V Supply
  • Tested to −10 mA, 50 mA Output Current Levels
  • Reduced Supply Current Spikes During Output Transitions
  • Extremely Low Reset, Trigger, and Threshold Currents
  • Excellent Temperature Stability
  • Pin-for-Pin Compatible With 555 Series of Timers

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参数 与其它产品相比 定时器

 
Frequency (Max) (MHz)
VCC (Min) (V)
VCC (Max) (V)
Iq (Typ) (uA)
Features
Rating
Pin/Package
Operating Temperature Range (C)
LMC555 NE555 TLC555
3    0.1    2.1   
1.5    4.5    2   
15    16    15   
50    2000    250   
N/A    N/A    N/A   
Catalog    Catalog    Catalog   
8DSBGA
8PDIP
8SOIC
8VSSOP   
8PDIP
8SO
8SOIC
8TSSOP   
14TSSOP
8PDIP
8SO
8SOIC   
-40 to 125
-40 to 85   
0 to 70    -40 to 125
-40 to 85
0 to 70