Micrel
MIC2772
Absolute Maximum Ratings
(1)
Supply Voltage, V
CC
...............................-0.3V to 6.0V
Input Voltage, /MR ....................... -0.3V to V
CC
+ 0.3V
Input Voltage, /RESET ..........................-0.3V to 6.0V
Input Current (VCC, /MR) ................................. 20mA
Output Current (/RESET) ................................ 20mA
Storage Temperature....................... -65
°
C to +150
°
C
ESD Rating (Note 3) .............................................3kV
Operating Ratings
(2)
Supply Voltage...........................................1V to 5.5V
Input Voltage (/MR )..................................... 0 to 5.5V
Input Voltage (/RESET ) ............................ 0 to +5.5V
Operating Temperature Range (T
A
).... -40
°
C to +85
°
C
Lead Temperature – Soldering, 10s .................300°C
Package Thermal Resistance (θ
JA
)................ 93°C/W
Electrical Characteristics
For typical values, T
A
= 25°C, 2.5V
≤
VCCn
≤
5.5V; values in bold are for 2.5V
≤
VCCn
≤
5.5V, T
MIN
≤
T
A
≤
T
MAX
,
unless otherwise noted.
Symbol
I
DD
Parameter
Supply Current
Condition
/MR1 = /MR2 = /RESET1 = /RESET2 =
open, VCC1 = VCC2 = 5.5V
/MR1 = /MR2 = /RESET1 = /RESET2 =
open, VCC1 = VCC2 = 3.6V
/MR1 = /MR2 = /RESET1 = /RESET2 =
open, VCCn = 0V, VCCm = 5.5V
/MR1 = /MR2 = /RESET1 = /RESET2 =
open, VCCn = 0V, VCCm = 3.6V
Min
Typ
10
10
5
5
Max
30
20
15
10
Units
µA
µA
µA
µA
Power Supply
/RESETn OUTPUTS
V
THn
Reset-voltage threshold
L voltage code
M voltage code
S voltage code
T voltage code
t
RESET
Reset Pulse Width
timeout code = 2
timeout code = 3
timeout code = 4
V
OL
/RESET Output Voltage Low
V
CCn
≥
4.25V, I
SINK
= 3.2mA
V
CCn
≥
2.5V, I
SINK
= 1.2mA
V
CCn
≥
1V, I
SINK
= 50
µ
A
I
LEAK
V
IH
Output leakage
Input Voltage, High
/RESET not asserted
V
THn
> 4.0V
V
THn
< 4.0V
V
IL
Input Voltage, Low
V
THn
> 4.0V
V
THn
< 4.0V
/MRn INPUTS
4.5
4.25
2.85
3.00
20
140
1100
4.63
4.38
2.93
3.08
4.75
4.50
3.00
3.15
44
V
V
V
V
ms
320
2500
0.4
0.3
0.3
±1
V
V
V
µ
A
V
V
2.3
0.7*V
CC
0.8
0.25*
VCC
V
V
April 2005
4
M9999-042605
(408) 955-1690
MICREL [ MICREL SEMICONDUCTOR ]
