參數(shù)資料
型號(hào)： TCM811TERC
廠(chǎng)商： Microchip Technology Inc.
英文描述： 4-Pin Microcontroller Reset Monitors
中文描述： 4引腳單片機(jī)復(fù)位監(jiān)控器
文件頁(yè)數(shù)： 2/14頁(yè)
文件大?。?/td> 258K
代理商： TCM811TERC
TCM811/TCM812
DS21615B-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage (
V
DD
to GND).........................................+6.0V
RESET, RESET....................................- 0.3V to (
V
DD
+ 0.3V)
Input Current,
V
DD
.........................................................20 mA
Output Current, RESET, RESET...................................20 mA
Operating Temperature Range......................– 40°C to +85°C
Storage Temperature Range.......................– 65°C to +150°C
Maximum Junction Temperature, T
S
..............................150°C
*Notice:
Stresses beyond those listed under “Absolute Maximun Rat-
ings” may cause permanenet damage to the device. These are stress
ratings only, and functional operation of the device at these or any other
conditions beyond those indicated in the operational sections of the
specifications is not implied. Exposure to absolute maximun rating con-
ditions for extended periods may affect device reliability.
PIN FUNCTION TABLE
ELECTRICAL CHARACTERISTICS
NAME
FUNCTION
GND
Ground
RESET (TCM811)
RESET push-pull output remains low
while
V
DD
is below the reset voltage
threshold, and for at least 140 msec
(min.) after
V
DD
rises above reset
threshold.
RESET (TCM812)
RESET push-pull output remains
high while
V
is below the reset
voltage threshold, and for at least
140 msec (min.) after
V
DD
rises
above reset threshold.
MR
Manual Reset input generates a
reset when MR is below V
IL.
Supply Voltage
V
DD
V
DD
= 5V for L/M versions, V
= 3.3V for T/S versions, V
= 3V for R version, V
DD
= 2.0V for F version.
T
A
= –40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C. (
Note 1
)
Parameters
Sym
Min
Typ
Max
Units
Conditions
V
DD
Range
V
DD
1.0
1.1
—
—
5.5
5.5
V
TCM811
TCM812
Supply Current
I
CC
—
—
6
4.75
15
10
μA
TCM81_L/M, V
DD
= 5.5V, I
OUT
= 0
TCM81_R/S/T/F, V
DD
= 3.6V, I
OUT
= 0
Reset Threshold
V
TH
4.54
4.50
4.63
—
4.72
4.75
V
TCM81_L:
T
A
= +25°C
T
A
= –40°C to +85°C
4.30
4.25
4.38
—
4.46
4.50
TCM81_M: T
A
= +25°C
T
A
= –40°C to +85°C
T
A
= +25°C
T
A
= –40°C to +85°C
3.03
3.00
3.08
—
3.14
3.15
TCM81_T:
2.88
2.85
2.93
—
2.98
3.00
TCM81_S: T
A
= +25°C
T
A
= –40°C to +85°C
2.58
2.55
2.63
—
2.68
2.70
TCM81_R: T
A
= +25°C
T
A
= –40°C to +85°C
T
A
= +25°C
T
A
= –40°C to +85°C
1.71
1.70
1.75
—
1.79
1.80
TCM81_F:
Reset Threshold Tempco
—
30
—
ppm/°C
V
DD
to Reset Delay
—
—
20
5
—
—
μsec
V
DD
= V
TH
to V
TH
–125 mV; L, M,
R, S, T, F
Reset Active Timeout Period
t
RP
t
MR
140
280
560
msec
V
DD
= V
TH(MAX)
MR Minimum Pulse Width
10
—
—
μsec
MR Glitch Immunity
—
100
—
nsec
MR to Reset Propagation
Delay
t
MD
—
0.5
—
μsec
Note 1:
Production testing done at T
A
= +25°C and +85°C, over temperature limits are tested with periodic QA tests
in production.
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