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參數(shù)資料
| 型號(hào)： | N555 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | PRECISION TIMERS |
| 中文描述： | 精密定時(shí)器 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大小： | 356K |
| 代理商： | N555 |
www.ti.com
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
NA555, NE555, SA555, SE555
PRECISION TIMERS
SLFS022F–SEPTEMBER 1973–REVISED JUNE 2006
MIN
MAX
UNIT
V
V
mA
V
CC
V
I
I
O
Supply voltage
(2)
Input voltage
Output current
18
CONT, RESET, THRES, TRIG
V
CC
±
225
97
85
95
149
5.61
14.5
150
260
300
150
D package
P package
PS package
PW package
FK package
JG package
θ
JA
Package thermal impedance
(3)(4)
°
C/W
θ
JC
Package thermal impedance
(5)(6)
°
C/W
T
J
Operating virtual junction temperature
Case temperature for 60 s
Lead temperature 1, 6 mm (1/16 in) from case for 60 s
Storage temperature range
°
C
°
C
°
C
°
C
FK package
JG package
T
stg
–65
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltage values are with respect to GND.
Maximum power dissipation is a function of T
(max),
θ
, and T
. The maximum allowable power dissipation at any allowable ambient
temperature is P
= (T
(max) - T
)/
θ
Operating at the absolute maximum T
J
of 150
°
C can affect reliability.
The package thermal impedance is calculated in accordance with JESD 51-7.
Maximum power dissipation is a function of T
(max),
θ
, and T
. The maximum allowable power dissipation at any allowable case
temperature is P
= (T
(max) - T
)/
θ
. Operating at the absolute maximum T
of 150
°
C can affect reliability.
The package thermal impedance is calculated in accordance with MIL-STD-883.
(2)
(3)
(4)
(5)
(6)
MIN
4.5
4.5
MAX
UNIT
NA555, NE555, SA555
SE555
CONT, RESET, THRES, and TRIG
16
18
V
CC
Supply voltage
V
V
I
I
O
Input voltage
Output current
V
CC
±
200
105
70
85
125
V
mA
NA555
NE555
SA555
SE555
–40
0
T
A
Operating free-air temperature
°
C
–40
–55
4
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