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參數(shù)資料
| 型號(hào)： | ICM7555CD |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | General purpose CMOS timer |
| 封裝： | ICM7555CD/01<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 12, 2005,;ICM7555CD/01<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week |
| 文件頁數(shù)： | 13/22頁 |
| 文件大小： | 122K |
| 代理商： | ICM7555CD |
ICM7555_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 3 August 2009
13 of 22
NXP Semiconductors
ICM7555
General purpose CMOS timer
11.6 Control voltage
The CONTROL_VOLTAGE terminal permits the two trip voltages for the THRESHOLD
and TRIGGER internal comparators to be controlled. This provides the possibility of
oscillation frequency modulation in the astable mode, or even inhibition of oscillation,
depending on the applied voltage. In the monostable mode, delay times can be changed
by varying the applied voltage to the CONTROL_VOLTAGE pin.
11.7 RESET
The RESET terminal is designed to have essentially the same trip voltage as the standard
NE/SE555 device, i.e., 0.6 V to 0.7 V. At all supply voltages it represents an extremely
high input impedance. The mode of operation of the RESET function is, however, much
improved over the standard NE/SE555 device in that it controls only the internal flip-flop,
which in turn controls simultaneously the state of the OUTPUT and DISCHARGE pins.
This avoids the multiple threshold problems sometimes encountered with slow falling
edges in the NE/SE555 devices.
V
DD
≤
18 V; t = 1.05 R
A
C
Fig 16. Monostable operation
GND
TRIGGER
OUTPUT
RESET
1
2
3
4
DISCHARGE
THRESHOLD
CONTROL_VOLTAGE
V
DD
8
7
6
5
V
DD
002aae419
RA
optional
capacitor
C
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|---|---|
| ICM7555CD,602 | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 CMOS TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)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 |
| ICM7555CD,623 | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 CMOS TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)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 |
| ICM7555CD/01 | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 CMOS TIMER 0 TO +70 RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)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 |
| ICM7555CD/01,112 | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 CMOS TIMER 0 TO +70 RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)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 |
| ICM7555CD/01,118 | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 CMOS TIMER GEN-PURPOSE RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)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 |
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