MIC2777
Micrel
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
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
I
DD
Parameter
Supply Current
Condition
V
DD
= V
IN
Note 5;
/MR, RST, /RST open
Min
Typ
3.5
Max
Units
µA
VDD VOLTAGE THRESHOLD
Under-Voltage Threshold On V
DD
V
HYST
V
REF
V
HYST
I
IN
Hysteresis Voltage
IN, UNDER-VOLTAGE DECTECTOR INPUT
Under-Voltage Threshold
Hysteresis Voltage
Input Current
T
MIN
≤
T
A
≤
T
MAX
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
140
I
SINK
= 1.6mA;
V
DD
≥
1.6V
I
SINK
= 100µA;
V
DD
≥
1.2V,
Note 4
V
OH
RST or /RST Output Voltage High
I
SOURCE
= 500µA;
V
DD
≥
1.5V
RST asserted, I
SOURCE
= 10µA;
V
DD
≥
1.2V,
Note 4
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.”
V
TH
-1.5%
V
TH
1
V
TH
+1.5%
V
%
295
300
3
5
305
mV
mV
pA
10
nA
µs
20
t
RST
V
OL
Reset Pulse Width
RST or /RST Output Voltage Low
280
0.3
0.3
ms
V
V
V
V
0.8V
DD
0.8V
DD
September 29, 2000
3
MIC2777
MICREL [ MICREL SEMICONDUCTOR ]
