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參數資料
| 型號： | ADM1232 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Microprocessor Supervisory Circuit |
| 中文描述： | 微處理器監控電路 |
| 文件頁數： | 2/6頁 |
| 文件大小： | 122K |
| 代理商： | ADM1232 |
–2–
REV. B
ADM1232–SPECIFICATIONS
(V
CC
= Full Operating Range, T
A
= T
MN
to T
MAX
unless otherwse noted)
P
arameter
Min
T yp
Max
Units
°
C
T est Conditions/Comments
T EMPERAT URE
POWER SUPPLY
Voltage
Current
–40
+85
T
A
= T
MIN
to T
MAX
4.5
5.0
20
200
5.5
50
500
V
μ
A
μ
A
V
IL
, V
IH
= CMOS Levels
V
IL
, V
IH
= T T L Levels
STROBE
AND
PB RESET
INPUT S
Input High Level
Input Low Level
INPUT LEAK AGE CURRENT
(
STROBE
, T OLERANCE)
T D
OUT PUT CURRENT
RESET
RESET
, RESET
OUT PUT VOLT AGE
RESET
/RESET
2.0
–0.3
V
CC
+ 0.3
+0.8
V
V
–1.0
+1.0
μ
A
μ
A
1.6
8
–8
10
–12
mA
mA
When V
CC
Is at 4.5 V–5.5 V
When V
CC
Is at 4.5 V–5.5 V
V
CC
– 0.5 V
CC
– 0.1
V
While sourcing less than 500
μ
A, RESET remains
within 0.5 V of V
on power-down until V
CC
drops below 2.0 V. While sinking less than
500
μ
A,
RESET
remains within 0.5 V of GND
on power-down until V
CC
drops below 2.0 V.
RESET
/RESET High Level
RESET
/RESET Low Level
1 V OPERAT ION
RESET Output Voltage
RESET
Output Voltage
0.4
V
V
2.4
V
CC
– 0.1
0.1
V
V
While Sourcing Less than 50
μ
A
While Sinking Less than 50
μ
A
V
CC
T RIP POINT
5%
10%
4.5
4.25
4.62
4.37
4.74
4.49
V
V
T OLERANCE = GND
T OLERANCE = V
CC
CAPACIT ANCE
Input (
STROBE
, T OLERANCE)
Output (RESET ,
RESET
)
5
7
pF
pF
T
A
= +25
°
C
T
A
= +25
°
C
PB RESET
T ime
Delay
RESET ACT IVE T IME
STROBE
Pulse Width
T imeout Period
20
1
250
ms
ms
ms
PB RESET
Must Be Held Low for a Minimum
of 20 ms to Guarantee a Reset
4
610
20
1000
70
62.5
250
500
ns
ms
ms
ms
150
600
1200
250
1000
2000
T D = 0 V
T D = Floating
T D = V
CC
V
CC
Fall T ime
Rise T ime
10
0
μ
S
μ
S
Guaranteed by Design
Guaranteed by Design
V
CC
FAIL DET ECT T O RESET OUT PUT DELAY
RESET AND
RESET
Are Logically Correct
50
μ
s
After V
Falls Below the Set T olerance Voltage
(Figure 5)
After V
CC
Rises Above the Set T olerance Voltage
250
610
1000
ms
Specifications subject to change without notice.
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相關代理商/技術參數 |
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| ADM1232_08 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuit |
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| ADM1232AAN | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuit |
| ADM1232AARM | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuit |
| ADM1232AARN | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuit |
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