MIC2774
Micrel
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
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
I
DD
Parameter
Supply Current
Condition
V
DD
= V
IN
= V
TH
+1.6%,
Note 5;
/MR, RST, /RST open
Min
Typ
3.5
Max
Units
µA
VDD VOLTAGE THRESHOLD
Under-Voltage Threshold On V
DD
(See Standard Voltage Options Table)
V
HYST
V
REF
V
HYST
I
IN
Hysteresis Voltage
V
TH
–1.5%
V
TH
1
V
TH
+1.5%
V
%
IN, UNDER-VOLTAGE DETECTOR INPUT
Under-Voltage Threshold
Hysteresis Voltage
Input Current
T
MIN
≤
T
A
≤
T
MAX
Propagation Delay
V
IN
= (V
REF(MAX)
+ 100mV) to
V
IN
= (V
REF(MIN)
– 100mV), /MR = open;
T
MIN
≤
T
A
≤
T
MAX
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
(H and L Version Only)
/MR INPUTS
V
IH
V
IL
t
PROP
t
MIN
I
PU
I
IN
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 5
295
300
3
5
305
mV
mV
10
pA
nA
µs
RST, /RST OUTPUTS
t
PROP
20
t
RST
V
OL
Reset Pulse Width
RST or /RST Output Voltage Low
140
280
0.3
0.3
ms
V
V
V
V
I
SOURCE
= 500µA;
V
DD
≥
1.5V
I
SOURCE
= 10µA;
V
DD
≥
1.2V;
Note 4
Note 5
Note 5
V
/MR
< (V
IL
–100mV);
Note 5
Reset Occurs, V
/MR
< V
IL
V
/MR
< V
IL
0.8V
DD
0.8V
DD
Input High Voltage
Input Low Voltage
Propagation Delay
Minimum Input Pulse Width
Internal Pull-up Current
Input Current, /MR
0.7V
DD
0.3V
DD
5
33
100
100
V
V
µs
ns
nA
nA
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.”
September 29, 2000
3
MIC2774
MICREL [ MICREL SEMICONDUCTOR ]
