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參數資料
| 型號： | ZSCT1555N8TA |
| 元件分類： | TVS-瞬態(tài)抑制二極管 |
| 英文描述： | Transient Voltage Suppressor Diodes |
| 中文描述： | 集成電路釤定時器 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 399K |
| 代理商： | ZSCT1555N8TA |
DEVICE DESCRIPTION
These devices are precision timing circuits for
generation of accurate time delays or
oscillation. Advanced circuit design means that
these devices can operate from a single battery
cell with the minimum of quiescent current.
In monostable mode time delays are
controlled by a single resistor and capacitor
network. In astable mode the frequency and
duty cycle can be accurately and
independently controlled with two external
resistors and one capacitor.
The threshold and trigger levels are normally
set as a proportion of V
CC
by internal resistors.
These levels can be programmed by the use
of the control input pin.
When the trigger input reduces to a value
below the trigger level, the flip-flop is set and
the output goes high. With the trigger input
above the trigger level and the threshold input
above the threshold level, the flip-flop is reset
SCHEMATIC DIAGRAM
and the output goes low. The reset pin has
priority over all the other inputs and is used
to start new timing cycles. A low on the reset
input causes the flip-flop to reset forcing the
output low. Whenever the output is forced
low then the internal discharge transistor is
turned on.
FEATURES
0.9V supply operating voltage guaranteed
Pin connections comparable with 555
series timers
Very low quiescent current 74
μ
A
SO8 and DIL8 packages
Operating temperature range
compatible with battery technologies
APPLICATIONS
Portable and battery powered
equipment
Low voltage and low power systems
PRECISION SINGLE CELL TIMER
ISSUE 2 - MAY 1998
ZSCT1555
7
DISCHARGE
6
THRESH
2
TRIGGER
5
CONTROL
8
VCC
4
RESET
3
OUTPUT
1
GND
4-311
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ZSCT1555N8TC | 功能描述:計時器和支持產品 - 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 |
| ZSD0010A | 制造商:Red Lion Controls 功能描述:10 PPR |
| ZSD0060A | 制造商:Red Lion Controls 功能描述:60 PPR |
| ZSD0100A | 制造商:Red Lion Controls 功能描述:100 PPR |
| ZSD0200A | 制造商:Red Lion Controls 功能描述:200 PPR |
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