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参数资料
| 型号： | TS556MN |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟波形发生器 |
| 英文描述： | DUAL PULSE; RECTANGULAR, 2 MHz, TIMER, PDIP14 |
| 封装： | PLASTIC, DIP-14 |
| 文件页数： | 1/19页 |
| 文件大小： | 182K |
| 代理商： | TS556MN |
October 2008
Rev 2
1/19
19
TS556
Low-power dual CMOS timer
Features
■ Very low power consumption:
220 A typ at VCC = 5 V
180 A typ at VCC = 3 V
■ High maximum astable frequency 2.7 MHz
■ Pin-to-pin and functionally compatible with
bipolar NE556
■ Wide voltage range: 2 V to 16 V
■ Supply current spikes reduced during output
transitions
■ High input impedance: 1012
Ω
■ Output compatible with TTL, CMOS and logic
MOS
Description
The TS556 is a dual CMOS timer which offers a
very low consumption:
(Icc(TYP) TS556 = 220 A at VCC =+5V versus
Icc(TYP) NE556 = 6 mA),
and high frequency:
(f(max.) TS556 = 2.7 MHz versus
f(max.) NE556 = 0.1 MHz).
In both monostable and astable modes, timing
remains very accurate.
The TS556 provides reduced supply current
spikes during output transitions, which enable the
use of lower decoupling capacitors compared to
those required by bipolar NE556.
Due to the high input impedance (1012
Ω), timing
capacitors can also be minimized.
N
DIP14
(Plastic package)
D
SO14
(Plastic micropackage)
Control
Voltage
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Discharge
Threshold
Reset
Output
Trigger
GND
Control
Voltage
+V
Discharge
Threshold
Reset
Output
Trigger
S
Pin connections
(top view)
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