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參數資料
| 型號： | LMC555CMX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | CMOS Timer |
| 中文描述： | PULSE; RECTANGULAR, 3 MHz, TIMER, PDSO8 |
| 封裝： | ROHS COMPLIANT, SOP-8 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 318K |
| 代理商： | LMC555CMX |
LMC555
CMOS Timer
General Description
The LMC555 is a CMOS version of the industry standard
555 series general purpose timers. In addition to the stan-
dard package (SOIC, MSOP, and MDIP) the LMC555 is also
available in a chip sized package (8 Bump micro SMD) using
National’s micro SMD package technology. The LMC555 of-
fers 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 stable mode the oscil-
lation frequency and duty cycle are accurately set by two ex-
ternal resistors and one capacitor. The use of National Semi-
conductor’s LMCMOS
process extends both the frequency
range and low supply capability.
Features
n
Less than 1 mW typical power dissipation at 5V supply
n
3 MHz astable frequency capability
n
1.5V supply operating voltage guaranteed
n
Output fully compatible with TTL and CMOS logic at 5V
supply
n
Tested to 10 mA, +50 mA output current levels
n
Reduced supply current spikes during output transitions
n
Extremely low reset, trigger, and threshold currents
n
Excellent temperature stability
n
Pin-for-pin compatible with 555 series of timers
n
Available in 8 pin MSOP Package and 8-Bump micro
SMD package
Block and Connection Diagrams
LMCMOS
is a trademark of National Semiconductor Corp.
8-Pin SOIC, MSOP,
and MDIP Packages
DS008669-1
Top View
8-Bump micro SMD
DS008669-9
Top View
(bump side down)
February 2000
L
2000 National Semiconductor Corporation
DS008669
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LMC555CMX NOPB | 制造商:National Semiconductor 功能描述:Standard Timer Single 8-Pin SOIC T/R |
| LMC555CMX/NOPB | 功能描述:計時器和支持產品 CMOS TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內部定時器數量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| LMC555CMX/NOPB | 制造商:Texas Instruments 功能描述:IC TIMER SINGLE 3MHZ 15V 8-SOIC 制造商:Texas Instruments 功能描述:IC, TIMER, SINGLE, 3MHZ, 15V, 8-SOIC |
| LMC555CMX/SL110229 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LMC555CMXNOPB | 制造商:Texas Instruments 功能描述: |
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