MIC6315_14 Datasheet, PDF (4/8 Pages) Micrel Semiconductor – Open-Drain μP Reset Circuit

Micrel, Inc.
MIC6315
Absolute Maximum Ratings⁽⁴⁾
Terminal Voltage
(VCC, /RESET)...................................... −0.3V to +6.0V
(/MR) ............................................ −0.3V to (V_CC + 0.3V)
Rate-of-Rise (VCC) ................................................. 100V/µs
Input Current (VCC, /MR)............................................20mA
Output Current (/RESET) ............................................20mA
Lead Temperature (soldering, 10s)............................ 300°C
Storage Temperature (T_S)......................... −65°C to +150°C
ESD Rating⁽⁶⁾.................................................................. 3kV
Operating Ratings⁽⁵⁾
Input Voltage (/RESET).................................... GND to 5.5V
Operating Temperature Range ................... –40°C to +85°C
Junction Temperature (T_J) ........................ –40°C to +125°C
Power Dissipation (T_A = +70°C) ............................... 320mW
Electrical Characteristics
For typical values, VCC = 2.5V to 5.5V; TA = +25°C, bold values indicate –40°C≤ TA ≤ +85°C, unless noted.
Symbol Parameter
Condition
Min.
Typ.
Max.
VCC
Operating Voltage Range
ICC
Supply Current
VCC = 5.5V, no load.
VCC = 3.6V, no load.
VTH
Reset Voltage Threshold Note 7
D2U
1
5.5
5
15
5
10
VTH − 2.5%
VTH
VTH + 2.5%
20
28
44
tRST
Reset Timeout Period
D3U
D4U
140
1100
200
1500
320
2500
VCC ≥ 4.0V, tSINK = 3.2mA
0.4
VOL
/RESET Output Voltage
VCC ≥ 2.5V, tSINK = 1.2mA
0.3
VCC ≥ 1.0V, tSINK = 50µA
0.3
/RESET Output Leakage /RESET de-asserted
1
/MR Minimum Pulse Width
10
/MR-to-Reset Delay
0.5
VIH
/MR Input Threshold
VTH > 4.0V
VTH < 4.0V
VIL
/MR Input Threshold
VTH > 4.0V
VTH < 4.0V
/MR Pull-Up Resistance
2.3
0.7 × VCC
10
0.8
0.25 × VCC
20
30
/MR Glitch Immunity
100
Notes:
4. Exceeding the absolute maximum ratings may damage the device.
5. The device is not guaranteed to function outside its operating ratings.
6. Devices are ESD sensitive. Handling precautions are recommended. Human body model, 1.5kΩ in series with 100pF.
7. Various reset thresholds available. See Ordering Information or contact factory.
Units
V
µA
V
ms
V
µA
µs
µs
V
V
kΩ
ns
October 17, 2014
4
Revision 2.0