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參數(shù)資料
| 型號： | LMC555MX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬波形發(fā)生器 |
| 英文描述： | PULSE; RECTANGULAR, 3 MHz, TIMER, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大小： | 425K |
| 代理商： | LMC555MX |
Electrical Characteristics (Notes 1, 2)
Test Circuit, T = 25C, all switches open, RESET to V
S unless otherwise noted (Continued)
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 and AC 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 VS 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
8-Bump micro SMD
GND
1
7
Trigger
26
Output
3
5
Reset
44
Control Voltage
5
3
Threshold
6
2
Discharge
7
1
V
+
88
Test Circuit (Note 5)
DS008669-2
Maximum Frequency Test Circuit (Note 5)
DS008669-3
www.national.com
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