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參數(shù)資料
| 型號： | PS2045(中文) |
| 英文描述： | Precision Voltage Supervisor(帶看門狗定時器和4K IIC存儲器的精密電壓監(jiān)控電路（適用于3和5伏系統(tǒng)）) |
| 中文描述： | 精密電壓監(jiān)控（帶看門狗定時器和4K的進口證存儲器的精密電壓監(jiān)控電路（適用于3和5伏系統(tǒng)）） |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 242K |
| 代理商： | PS2045(中文) |
==99-10-15==
P&S
ooá|′μ×ó1é· YóDT1
==16-6==
P &S
oo á|′μ×ó1é· YóDT1
μ :
ot±±ooêD×μèa· 15o
D :
ooêD70020D
óê±à:
430079
μ°:
( 86) ( 027￡87493500 87493506
′
( 86) ( 027) 87491166, 87493497
P &S
í í :
http://www.p8s.com
PS2045-2.7
PS2045-A
PS2045-B
Symbol
Parameter
Min
Max
Min
Max
Min Max Unit
V
TRIP
Reset Trip Point
2.55
2.7
4.25
4.5
4.5
4.75
V
t
PURST
Power-Up Reset Timeout
130
270
130
270
130
270
ms
t
RPD
V
TRIP
to RESET Output Delay
5
5
5
μ
s
V
RVALID
RESET Output Valid
1
1
1
V
t
GLITCH
Glitch Reject Pulse Width
30
30
30
ns
V
OLRS
RESET Output Low Voltage I
OL
= 1mA
0.4
0.4
0.4
V
V
OHRS
RESET Output High Voltage I
OH
= 800
μ
A V
CC
-.75
V
CC
-.75
V
CC
-.75
V
V
SENSE
T
Voltage Sense Trip Point
1.22
1.25
1.22
1.25
1.22
1.25
V
V
SENSE
H
Voltage Sense Hysteresis
10
10
10
mV
2. 3. 5 ÷V
CC
μRESETμ× ′óμí μ1 oí × D μ1
Parameter
Symbol
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
-0.75
V
CC
= 1.2V, I
OH
=800
μ
A V
CC
-0.75
V
CC
= 3.0V, I
OH
=800
μ
A V
CC
-0.5
V
CC
= 3.6V, I
OH
=800
μ
A V
CC
-0.5
V
CC
= 4.5V, I
OH
=800
μ
A V
CC
-0.5
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
RESET Output
Voltage
V
OL
RESET Output
V
OL
Voltage
RESET Output
Voltage
V
OH
2. 4 ê±Dòí
2. 4. 1 ×üê±Dòí
SCL
SDA In
SDA Out
t
AA
t
R
t
H IGH
t
LOW
t
SU:STO
t
BUF
t
SU:DAT
t
HD:DAT
t
HD:SDA
t
SU:SDA
t
DH
t
F
í
3
×üê±Dòí
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