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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： | 4/12頁 |
| 文件大小： | 318K |
| 代理商： | LMC555CMX |
Electrical Characteristics
Test Circuit, T = 25C, all switches open, RESET to V
S
unless otherwise noted (Continued)
(Notes 1, 2)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Limits)
t
PD
Trigger Propagation Delay
V
S
= 5V, Measure Delay
from Trigger to Output
100
ns
Note 1:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. Electrical Characteristics state DC andAC electrical specifications under particular test conditions which guar-
antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is
given, however, the typical value is a good indication of device performance.
Note 3:
See AN-450 for other methods of soldering surface mount devices, and also AN-1112 for micro SMD considerations.
Note 4:
If the RESET pin is to be used at temperatures of 20C and below V
S
is required to be 2.0V or greater.
Note 5:
For device pinout please refer to table 1
TABLE 1. Package Pinout Names vs. Pin Function
Pin Function
Package Pin numbers
8-Pin SO,MSOP, and MDIP
1
2
3
4
5
6
7
8
8-Bump micro SMD
7
6
5
4
3
2
1
8
GND
Trigger
Output
Reset
Control Voltage
Threshold
Discharge
V
+
Test Circuit
(Note 5)
DS008669-2
Maximum Frequency Test Circuit
(Note 5)
DS008669-3
L
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4
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| 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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