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NTE955S PDF даташит

Спецификация NTE955S изготовлена ​​​​«NTE Electronics» и имеет функцию, называемую «Integrated Circuit Timing Circuit».

Детали детали

Номер произв NTE955S
Описание Integrated Circuit Timing Circuit
Производители NTE Electronics
логотип NTE Electronics логотип 

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NTE955S Даташит, Описание, Даташиты
NTE955M
NTE955S
NTE955SM
Integrated Circuit
Timing Circuit
Description:
The NTE955 series timing circuit is a highly stable controller capable of producing accurate time de-
lays, or oscillation. Additional terminals are provided for triggering or resetting if desired. In time delay
mode of operation, the time is precisely controlled by one external resistor and capacitor. For astable
operation as an oscillator, the free running frequency and the duty cycle are both accurately controlled
with two external resistors and one capacitor. The circuit may be triggered and reset on falling wave-
forms, and the output structure can source or sink up to 200mA or drive TTL circuits.
Features:
D Direct Replacement for 555 Timers
D Timing from Microseconds through Hours
D Operates in Both Astable and Monostable Modes
D Adjustable Duty Cycle
D High Current Output Can Source or Sink 200mA
D Output and Supply TTL Compatible TTL
D Temperature Stability of 0.005% per °C
D Normally “ON” or Normally “OFF” Output
D Available in Three Types:
NTE955M – 8–Lead DIP
NTE955S – 8–Lead SIP
NTE955SM – SOIC–8 (Surface Mount)
Applications:
D Precision Timing
D Pulse Generation
D Sequential Timing
D Time Delay Generation
D Pulse Width Modulation
D Pulse Position Modulation
D Linear Ramp Generator









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NTE955S Даташит, Описание, Даташиты
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Power Supply Voltage. VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Discharge Current (Pin7), I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mW/°C
Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65° to +150°C
Lead Temperature (During Soldering, 10sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C
Electrical Characteristics: (TA = +25°C, VCC = 5V to 15V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Operating Supply Voltage Range
Supply Current
VCC
ICC RL = ,
VCC = 5V
Low State,
Note 2
VCC = 15V
4.5 16
3.0 6.0
10 15
V
mA
mA
Timing Error
Initial Accuracy C = 0.1µF
R = 1kto 100k, Note 3
1.0
%
Drift with Temperature
50 ppm/°C
Drift with Supply Voltage
0.1 %/V
Threshold Voltage
Trigger Voltage
Reset Voltage
Reset Current
Threshold Current
Discharge Leakage Current (Pin7)
Control Voltage Level
Output Voltage Low
Output Voltage High
Rise Time of Output
Fall Time of Output
VTH
VT
VR
IR
ITH
Idis
VCL
VOL
VOH
tOLH
tOHL
VCC = 5V
VCC = 15V
Note 4
VCC = 5V
VCC = 15V
VCC = 5V
VCC = 15V
VCC = 5V
VCC = 15V
ISINK = 5mA
ISINK = 10mA
ISINK = 50mA
ISINK = 100mA
ISINK = 200mA
ISOURCE = 100mA
ISOURCE = 200mA
0.667
1.67
5.0
0.4 0.7 1.0
0.1
0.1 0.25
– – 100
2.6 3.33 4.0
9.0 10 11
0.25 0.35
0.1 0.25
0.4 0.75
2.0 2.5
2.5
2.75 3.3
12.75 13.3
12.5
100
100
x VCC
V
V
V
mA
µA
nA
V
V
V
V
V
V
V
V
V
V
ns
ns
Note 2. Supply current when output is high is typically 1mA less.
Note 3. Tested at VCC = 5V and VCC = 15V. Monostable mode.
Note 4. This will determine the maximum value of RA = RB for 15V operation. The maximum total
R = 20M.









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NTE955S Даташит, Описание, Даташиты
NTE955M, NTE955SM
Pin Connection Diagram
GND 1
Trigger 2
Output 3
Reset 4
8 VCC
7 Discharge
6 Threshold
5 Control Voltage
NTE955S
(Front View)
8 VCC
7 Discharge
6 Threshold
5 Control Voltage
4 Reset
3 Output
2 Trigger
1 GND
NTE955M
85
.260 (6.6)
14
.390 (9.9)
Max
.155
(3.93)
.300
(7.62)
.100 (2.54)
.300 (7.62)
.145 (3.68)
NTE955SM
.192 (4.9)
8 5 .236
(5.99)
.154
1 4 (3.91)
.050 (1.27)
016
(.406)
061
(1.53)
.198 (5.03)
.006 (.152)
NOTE: Pin1 on Beveled Edge
NTE955S
.768 (19.52) Max
.118 (3.0) Max
18
.100 (2.54) Typ
.700 (17.78)
.264 (6.72)
Max
.165 (4.2)
Min










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