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参数资料
| 型号： | LMC555MX |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 模拟波形发生器 |
| 英文描述： | PULSE; RECTANGULAR, 3 MHz, TIMER, PDSO8 |
| 封装： | PLASTIC, SOIC-8 |
| 文件页数： | 9/15页 |
| 文件大小： | 425K |
| 代理商： | LMC555MX |
Absolute Maximum Ratings (Notes 2, 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, V
+
15V
Input Voltages, V
TRIG,VRES,VCTRL,
V
THRESH
0.3V to V
S + 0.3V
Output Voltages, V
O,VDIS
15V
Output Current I
O,IDIS
100 mA
Storage Temperature Range
65C to +150C
Soldering Information
MDIP Soldering (10 seconds)
260C
SOIC, MSOP Vapor Phase (60
sec)
215C
SOIC, MSOP Infrared (15 sec)
220C
Note: See AN-450 “Surface Mounting Methods and Their Effect on Product
Reliability” for other methods of soldering surface mount devices.
Operating Ratings(Notes 2, 3)
Termperature Range
40C to +85C
Thermal Resistance (
θ
JA) (Note 2)
SO, 8-lead Small Outline
169C/W
MSOP, 8-lead Mini Small
Outline
225C/W
MDIP, 8-lead Molded Dip
111C/W
8-Bump micro SMD
220C/W
Maximum Allowable Power
Dissipation @25C
MDIP-8
1126mW
SO-8
740mW
MSOP-8
555mW
8 Bump micro SMD
568mW
Electrical Characteristics (Notes 1, 2)
Test Circuit, T = 25C, all switches open, RESET to V
S unless otherwise noted
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Limits)
I
S
Supply Current
V
S = 1.5V
V
S =5V
V
S = 12V
50
100
150
250
400
A
V
CTRL
Control Voltage
V
S = 1.5V
V
S =5V
V
S = 12V
0.8
2.9
7.4
1.0
3.3
8.0
1.2
3.8
8.6
V
DIS
Discharge Saturation
Voltage
V
S = 1.5V, IDIS =1 mA
V
S = 5V, IDIS =10 mA
75
150
300
mV
V
OL
Output Voltage (Low)
V
S = 1.5V, IO =1 mA
V
S = 5V, IO =8 mA
V
S = 12V, IO =50 mA
0.2
0.3
1.0
0.4
0.6
2.0
V
OH
Output Voltage
(High)
V
S = 1.5V, IO = 0.25 mA
V
S = 5V, IO =2 mA
V
S = 12V, IO = 10 mA
1.0
4.4
10.5
1.25
4.7
11.3
V
TRIG
Trigger Voltage
V
S = 1.5V
V
S = 12V
0.4
3.7
0.5
4.0
0.6
4.3
V
I
TRIG
Trigger Current
V
S =5V
10
pA
V
RES
Reset Voltage
V
S = 1.5V (Note 4)
V
S = 12V
0.4
0.7
0.75
1.0
1.1
V
I
RES
Reset Current
V
S =5V
10
pA
I
THRESH
Threshold Current
V
S =5V
10
pA
I
DIS
Discharge Leakage
V
S = 12V
1.0
100
nA
t
Timing Accuracy
SW 2, 4 Closed
V
S = 1.5V
V
S =5V
V
S = 12V
0.9
1.0
1.1
1.25
1.20
1.25
ms
t/V
S
Timing Shift with Supply
V
S =5V ± 1V
0.3
%/V
t/T
Timing Shift with
Temperature
V
S =5V
40C
≤ T ≤ +85C
75
ppm/C
f
A
Astable Frequency
SW 1, 3 Closed, V
S = 12V
4.0
4.8
5.6
kHz
f
MAX
Maximum Frequency
Max. Freq. Test Circuit, V
S = 5V
3.0
MHz
t
R,tF
Output Rise and
Fall Times
Max. Freq. Test Circuit
V
S = 5V, CL =10 pF
15
ns
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