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參數(shù)資料
| 型號： | S24022 |
| 廠商： | Summit Microelectronics, Inc. |
| 英文描述： | Precision RESET Controller and 2K I2C Memory With Both RESET and RESET Outputs |
| 中文描述： | 精密復(fù)位控制器和2K的I2C既復(fù)位和復(fù)位輸出記憶 |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 94K |
| 代理商： | S24022 |
12
S24022/S24023
2010 1.4 5/3/98
RESET
Input
RESET
Output
RESET
Output
2010 ILL 16 1.0
t
PURST
Frequently the reset controller will be deployed on a PC board that provides a peripheral function to a system.
Examples might be modem or network cards in a PC or a PCMCIA card in a laptop. In instances like this the peripheral
card may have a requirement for a clean reset function to insure proper operation. The system may or may not provide
a reset pulse of sufficient duration to clear the peripheral or to protect data stored in a nonvolatile memory.
The I/O capability of the RESET pins can provide a solution. The system’s reset signal to the peripheral can be fed
into the S24022/23 and it in turn can clean up the signal and provide a known entity to the peripheral’s circuits. The
figure below shows the basic timing characteristics under the assumption the reset input is shorter in duration than
t
PURST
. The same reset output affect can be attained by using the active high reset input.
When planning your resistor pull-up and pull-down values, use the following chart to help determine min. resistances.
Condition
V
CC
= 1.0V, I
OL
=100
μ
A
V
CC
= 1.2V, I
OL
=100
μ
A
V
CC
= 3.0V, I
OL
=500
μ
A
V
CC
= 3.6V, I
OL
=500
μ
A
V
CC
= 4.5V, I
OL
=750
μ
A
V
CC
= 1.0V, I
OL
=100
μ
A
V
CC
= 1.2V, I
OL
=150
μ
A
V
CC
= 3.0V, I
OL
=750
μ
A
V
CC
= 3.6V, I
OL
=1mA
V
CC
= 4.5V, I
OL
=1mA
V
CC
= 1.0V, I
OH
=400
μ
A
V
CC
= 1.2V, I
OH
=800
μ
A
V
CC
= 3.0V, I
OH
=800
μ
A
V
CC
= 3.6V, I
OH
=800
μ
A
V
CC
= 4.5V, I
OH
=800
μ
A
Min
Typ
Max
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.4
Units
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CC
-0.75
V
CC
-0.75
V
CC
-0.5
V
CC
-0.5
V
CC
-0.5
Worst Case RESET Sink/Source Capabilities at Various V
CC
Levels
Parameter
Symbol
RESET
Output
Voltage
V
OL
RESET
Output
V
OL
Voltage
RESET Output
Voltage
V
OH
2010 PGM T5 1.0
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| S24022S2.7 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision RESET Controller and 4K I2C Memory With Both RESET and RESET Outputs |
| S24022S2.7T | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision RESET Controller and 4K I2C Memory With Both RESET and RESET Outputs |
| S24022SA | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision RESET Controller and 4K I2C Memory With Both RESET and RESET Outputs |
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| S24022SB | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision RESET Controller and 4K I2C Memory With Both RESET and RESET Outputs |
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