MIC2778-1BM5 MICREL [Micrel Semiconductor], MIC2778-1BM5 Datasheet - Page 3

• Manufacturer Part Number: MIC2778-1BM5
• Description: Voltage Monitor with Adjustable Hysteresis Preliminary Information
• Manufacturer: MICREL [Micrel Semiconductor]

Absolute Maximum Ratings
Supply Voltage (V
Input Voltages (V
RST Output Current (I
Storage Temperature (T
ESD Rating, Note 3 ...................................................... 2kV
Electrical Characteristics
1.5V
Symbol
I
I
V
t
t
V
Note 1.
Note 2.
Note 3.
Note 4.
Timing Diagram
October 1999
MIC2778
DD
LTH,
D
RESET
REF
RST
I
HTH
V
DD
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 held low down to V
5.5V; T
Parameter
Supply Current
Input Leakage Current
Reference Voltage
Propagation Delay
Reset Pulse Width
Voltage-Low Reset
HI
DD
A
, V
= +25 C, bold values indicate –40 C
) ..................................... –0.3V to +7V
LO
RST
) ............................... –0.3V to +7V
S
) ....................... –65 C to +150 C
) ......................................... 20mA
V
V
BATT
RST
V
V
V
V
RSTH
RSTL
HTH
LTH
0V
(Note 1)
Propagation delays not shown for clarity.
Note A. The MIC2778 ignores very brief transients.
Condition
RST not asserted
MIC2778-2
MIC2778-1
V
RST asserted, I
RST asserted, I
See “Applications Information” for details.
V
LTH
REF(min)
t
RST
= V
A
T
REF(max)
A
– 100mV
3
+85 C; unless noted
Operating Ratings
Supply Voltage (V
Input Voltages (V
Ambient Temperature Range (T
Package Thermal Resistance ............................... 256 C/W
SINK
SINK
+100mV to
= 1.6mA, V
= 100 A, V
A
DD
t
RST
DD
DD
= 1.2V.
RST
DD
1.6V
1.2V,
) .................................. +1.5V to +5.5V
, V
LTH
(Note 2)
, V
1.215
1.228
Min
140
HTH
A
) ............. –40 C to +85 C
) ............. –0.3V to +6.0V
1.240
Typ
1
5
5
1.265
1.252
Max
420
0.3
0.4
10
2
MIC2778
Micrel
Units
ms
pA
nA
V
V
V
V
V
A
s