參數(shù)資料
型號： MIC2777
廠商： Micrel Semiconductor,Inc.
英文描述： Dual Micro-Power Low Voltage Supervisor Advance Information
中文描述： 雙路微功率低電壓監(jiān)控進展信息
文件頁數(shù)： 3/8頁
文件大小： 375K
代理商： MIC2777
September 29, 2000
3
MIC2777
MIC2777
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
DD
) .....................................
–
0.3V to +7V
Input Voltage (V
IN
) .........................................
–
0.3V to +7V
RST, (/RST) Current ..................................................20mA
Storage Temperature (T
S
) .......................
–
65
°
C to +150
°
C
ESD Rating,
Note 3 ...................................................
1.5kV
Micrel
Operating Ratings
(Note 2)
Supply Voltage (V
DD
) .................................. +1.5V to +5.5V
Input Voltage
(V
IN
) ...........................................................
–
0.3V to +6.0V
Ambient Temperature Range (T
A
) .............
–
40
°
C to +85
°
C
Package Thermal Resistance (
θ
JA
) ......................256
°
C/W
Electrical Characteristics
Note 5
; T
A
= +25
°
C,
bold
values indicate
–
40
°
C
≤
T
A
≤
+85
°
C; unless noted
Symbol
Parameter
Condition
Min
Typ
Max
Units
I
DD
Supply Current
V
DD
= V
IN
Note 5
; /MR, RST, /RST open
3.5
μ
A
VDD VOLTAGE THRESHOLD
Under-Voltage Threshold On V
DD
Hysteresis Voltage
V
TH
-1.5%
V
TH
1
V
TH
+1.5%
V
V
HYST
IN, UNDER-VOLTAGE DECTECTOR INPUT
%
V
REF
V
HYST
I
IN
Under-Voltage Threshold
295
300
305
mV
Hysteresis Voltage
3
mV
Input Current
5
pA
T
MIN
≤
T
A
≤
T
MAX
10
nA
RST, /RST OUTPUTS
t
PROP
Propagation Delay
V
IN
= (V
REF(MAX)
+ 100mV) to
V
IN
= (V
REF(MIN)
–
100mV) or
V
DD
= (V
TH
+ 2.5
%
) to (V
TH
–
2.5
%
), V
IN
=V
DD
20
μ
s
t
RST
V
OL
Reset Pulse Width
140
280
ms
RST or /RST Output Voltage Low
I
SINK
= 1.6mA;
V
DD
≥
1.6V
I
SINK
= 100
μ
A;
V
DD
≥
1.2V,
Note 4
I
SOURCE
= 500
μ
A;
V
DD
≥
1.5V
RST asserted, I
SOURCE
= 10
μ
A;
V
DD
≥
1.2V,
Note 4
0.3
V
0.3
V
V
OH
RST or /RST Output Voltage High
0.8V
DD
V
0.8V
DD
V
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
V
DD
operating range is 1.5V to 5.5V. Output is guaranteed to be asserted down to V
DD
= 1.2V.
V
DD
equals the nominal
“
Typical Application (V
DD
)
”
as shown in
“
Standard Voltage Options Table.
”
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