參數(shù)資料
型號(hào)： MIC2774
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(jìn)展信息
文件頁(yè)數(shù)： 3/8頁(yè)
文件大小： 381K
代理商： MIC2774
September 29, 2000
3
MIC2774
MIC2774
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
DD
) .....................................
–
0.3V to +7V
Input Voltages (V
IN
, V
/MR
)..............................
–
0.3V to +7V
Output Voltages (V
/RST
, V
RST
).......................
–
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 Voltages (V
IN
, V
/MR
)...........................
–
0.3V to +6.0V
Output Voltages
V
/RST
(N version), ....................................
–
0.3V to +6.0V
V
/RST
, V
RST
(H and L versions).........
–
0.3V to V
DD
+0.3V
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
= V
TH
+1.6%,
Note 5
; /MR, RST, /RST open
3.5
μ
A
VDD VOLTAGE THRESHOLD
Under-Voltage Threshold On V
DD
(See Standard Voltage Options Table)
V
TH
–1.5%
V
TH
V
TH
+1.5%
V
V
HYST
IN, UNDER-VOLTAGE DETECTOR INPUT
Hysteresis Voltage
1
%
V
REF
V
HYST
I
IN
Under-Voltage Threshold
Note 5
295
300
305
mV
Hysteresis Voltage
3
mV
Input Current
5
pA
nA
T
MIN
≤
T
A
≤
T
MAX
10
RST, /RST OUTPUTS
t
PROP
Propagation Delay
V
IN
= (V
REF(MAX)
+ 100mV) to
V
IN
= (V
REF(MIN)
–
100mV), /MR = open;
20
μ
s
t
RST
V
OL
Reset Pulse Width
T
MIN
≤
T
A
≤
T
MAX
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
I
SOURCE
= 10
μ
A;
V
DD
≥
1.2V;
Note 4
140
280
ms
RST or /RST Output Voltage Low
0.3
V
0.3
V
V
OH
RST or /RST Output Voltage High
0.8V
DD
V
(H and L Version Only)
0.8V
DD
V
/MR INPUTS
V
IH
V
IL
t
PROP
t
MIN
I
PU
I
IN
Input High Voltage
Note 5
0.7V
DD
V
Input Low Voltage
Note 5
0.3V
DD
V
Propagation Delay
V
/MR
< (V
IL
–
100mV);
Note 5
Reset Occurs, V
/MR
< V
IL
5
μ
s
Minimum Input Pulse Width
33
ns
Internal Pull-up Current
100
nA
Input Current, /MR
V
/MR
< V
IL
100
nA
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 nominal
“
Typical Application (V
DD
)
”
as shown in
“
Standard Voltage Options Table.
”
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