MIC811M 查看數據表（PDF） - Micrel
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MIC811M Datasheet PDF : 7 Pages
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MIC811/812
Absolute Maximum Ratings(Note 1)
Terminal Voltage (VCC) .................................–0.3V to +6.0V
Input Current (VCC, /MR) ............................................ 20mA
Output Current (/RESET, RESET).............................. 20mA
Lead Temperature (soldering, 10 sec.)...................... 300°C
Storage Temperature (TS) .......................... –65°C to 150°C
Rate of Rise (VCC).................................................. 100V/µs
ESD Rating, Note 3....................................................... 3kV
Micrel
Operating Ratings(Note 2)
Operating Temperature Range
MIC811 ..................................................... –40°C to 85°C
MIC812 ..................................................... –40°C to 85°C
Power Dissipation (TA = +70°C) .............................. 320mW
Electrical Characteristics
For typical values, VCC = 5V for MIC8_L/M/J, VCC = 3.3V for MIC8_S/T, VCC = 3V for MIC8_R; TA = 25°C, bold values indicate –40°C
≤ TA ≤ +85°C; unless noted
Symbol
Parameter
Condition
Min Typ Max Units
VCC
Operating Voltage Range
ICC
Supply Current
VTH
Reset Voltage Threshold
TA = –40°C to 85°C
MIC811L/M/J, MIC812L/M/J:
VCC = 5.0V, no load
MIC811S/T, MIC812S/T
VCC = 3.3V, no load
MIC811R, MIC812R: VCC = 3.0V, no load
MIC811L, MIC812L
MIC811M, MIC812M
1
5.5
V
5
15
µA
5
10
µA
5
10
µA
4.50 4.63 4.75
V
4.25 4.38 4.50
V
MIC811J, MIC812J
3.89 4.00 4.10
V
MIC811T, MIC812T
3.00 3.08 3.15
V
MIC811S, MIC812S
2.85 2.93 3.00
V
MIC811R, MIC812R
2.55 2.63 2.70
V
tRST
Reset Timeout Period
140 240 560 ms
VOH
/RESET Output Voltage
ISOURCE = 800µA, MIC811L/M/J
VCC–1.5V
V
ISOURCE = 500µA, MIC811R/S/T
0.8×VCC
V
VOL
/RESET Output Voltage
VCC = VTH min., ISINK = 3.2mA, MIC811L/M/J
0.4
V
VCC = VTH min., ISINK = 1.2mA, MIC811R/S/T
0.3
V
VCC > 1V, ISINK = 50µA, TA = –40° to +85°C
0.3
V
VOH
RESET Output Voltage
1.8V < VCC < VTH min., ISOURCE = 150µA
0.8×VCC
V
VOL
RESET Output Voltage
ISINK = 3.2mA, MIC812L/M/J
0.4
V
ISINK = 1.2mA, MIC812R/S/T
0.3
V
/MR Minimum Pulse Width
10
µs
/MR to Reset Delay
0.5
µs
VIH
/MR Input Threshold
VIL
/MR Input Threshold
/MR Pull-Up Resistance
VCC > VTH max., MIC81_L/M/J
MIC81_R/S/T
VCC . VTH max., MIC81-L/M/J
MIC81-R/S/T
2.3
V
0.7×VCC
V
0.8
V
0.25×VCC
10
20
30
kΩ
/MR Glitch Immunity
100
ns
Note 1.
Note 2.
Note 3.
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.
MIC811/812
4
September 2005
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