MIC2775
Micrel, Inc.
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
DD
)
.......................................–0.3V
to +7V
Input Voltage (V
/MR
)
........................................–0.3V
to +7V
RST, (/RST) Current
................................................... 20mA
Storage Temperature (T
S
)
........................
–65°C to +150°C
ESD Rating,
Note 3
.................................................... 1.5kV
Operating Ratings
(Note 2)
Supply Voltage (V
DD
)
..................................
+1.5V to +5.5V
Input Voltage (V
/MR
)
.....................................–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
Symbol
I
DD
Note 5;
T
A
= +25°C,
bold
values indicate –40°C ≤ T
A
≤ +85°C; unless noted
Parameter
Condition
Supply Current
V
DD
= V
TH
+1.6%, /MR, RST, /RST
open, Note 5
V
TH
–1.5%
Min
Typ
3.5
Max
Units
µA
VDD VOLTAGE THRESHOLD
Under-Voltage Threshold On V
DD
V
HYST
t
PROP
t
RST
V
OL
Hysteresis Voltage
Propagation Delay
Reset Pulse Width
RST or /RST Output Voltage Low
V
DD
= V
TH
+ 1.5% + 100mV to
V
DD
= V
TH
– 1.5% - 100 mV
I
SINK
= 1.6mA;
V
DD
≥ 1.6V
V
TH
1
20
140
280
0.3
0.3
0.8V
DD
0.8V
DD
V
TH
+1.5%
V
V
%
µs
ms
V
V
V
V
RST, /RST OUTPUTS
V
OH
RST or /RST Output Voltage High
I
SINK
= 100µA;
V
DD
≥ 1.2V;
Note 4
I
SOURCE
= 500µA;
V
DD
≥ 1.5V
/MR INPUT
V
IL
V
IH
Input High Voltage
Input Low Voltage
Propagation Delay
Minimum Input Pulse Width
Internal Pull-up Current
Input Current, /MR
I
SOURCE
= 10µA;
V
DD
≥ 1.2V;
Note 4
0.7V
DD
From V
/MR
< (V
IL
–100mV)
Reset Occurs, V
/MR
< V
IL
5
33
100
100
V
0.3V
DD
V
µs
ns
nA
nA
t
PROP
t
MIN
I
IN
I
PU
V
/MR
< V
IL
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
equals nominal “ Typical Application (V
DD
)” as shown in “Standard Voltage Options Table.”
V
DD
operating range is 1.5V to 5.5V. Output is guaranteed to be asserted down to V
DD
= 1.2V.
June 2009
3
MIC2775
MICREL [ MICREL SEMICONDUCTOR ]
