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Features
• Ultra low supply current: 1.75 µA
(steady-state max.)
• Precision monitoring options of:
- 1.90V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V and 4.63V
• Resets microcontroller in a power-loss event
• RST pin (Active-low): - MCP121: Active-low, open-drain
- MCP131: Active-low, open-drain with internal
pull-up resistor
- MCP102 and MCP103: Active-low, push-pull
• Reset Delay Timer (120 ms delay, typ.)
• Available in SOT23-3, TO-92 and SC-70 packages
• Temperature Range:
- Extended: -40°C to +125°C
(except MCP1XX-195)
- Industrial: -40°C to +85°C
(MCP1XX-195 only)
• Pb-free devices
Applications
General Description
The MCP102/103/121/131 are voltage supervisor
devices designed to keep a microcontroller in reset
until the system voltage has reached and stabilized
at the proper level for reliable system operation.
Absolute Maximum Ratings
VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0V
Input current (VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 mA
Output current (RST) . . . . . . . . . . . . . . . . . . . . . . . . . .10 mA
Rated Rise Time of VDD . . . . . . . . . . . . . . . . . . . . . . 100V/µs
All inputs and outputs (except RST) w.r.t. VSS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.6V to (VDD + 1.0V)
RST output w.r.t. VSS . . . . . . . . . . . . . . . . . . . -0.6V to 13.5V
Storage temperature . . . . . . . . . . . . . . . . . . -65°C to + 150°C
Ambient temp. with power applied . . . . . . . -40°C to + 125°C
Maximum Junction temp. with power applied . . . . . . . . 150°C
ESD protection on all pins. . . . . . . . . . . . . . . . . . . . . . . . . ≥ 2 kV
TYPICAL PERFORMANCE CURVES
STOCK LIST
TPIC6A595DW | 3128 | TI | 16+ | SOP-24 |
TMP82C54M-2 | 1853 | TOSHIBA | 13+ | SOP-24 |
TPS62203DBVR | 25508 | TI | 16+ | SOP23-5 |
TPS76901DBVR | 16990 | TI | 16+ | SOP23-5 |
STC11F02E | 6936 | STC | 16+ | SOP-20 |
STC12C5202AD-35I | 43400 | STC | 16+ | SOP-20 |
STC15F204EA-35I-SO | 33896 | STC | 16+ | SOP-20 |
SN74ABT573ADWR | 10632 | TI | 16+ | SOP-20 |
SN74AHCT245DWR | 10004 | TI | 15+ | SOP-20 |
SN74ALS541N | 11132 | TI | 16+ | SOP-20 |
SN74CBT3245ADWR | 18144 | TI | 16+ | SOP-20 |
SN74HC244DWR | 25500 | TI | 10+ | SOP-20 |
SN74HC245DWR | 12416 | TI | 14+ | SOP-20 |
SN74HC374DWR | 10238 | TI | 14+ | SOP-20 |
SN74HC541DWR | 17384 | TI | 04+ | SOP-20 |
SN74HC573ADWR | 9626 | TI | 16+ | SOP-20 |
SN74HC574DWR | 7826 | TI | 15+ | SOP-20 |
SN74HC574N | 9824 | TI | 16+ | SOP-20 |
SN74HC688DWR | 10664 | TI | 04+ | SOP-20 |
SN74HCT244DWR | 10886 | TI | 13+ | SOP-20 |
SN74HCT244N | 8014 | TI | 16+ | SOP-20 |
SN74HCT373DWR | 10000 | TI | 13+ | SOP-20 |
SN74HCT374DWR | 13676 | TI | 13+ | SOP-20 |
SN74LS244DWR | 16044 | TI | 16+ | SOP-20 |
SN74LS244N | 10704 | TI | 16+ | SOP-20 |
SN74LS245DWR | 16022 | TI | 16+ | SOP-20 |
SN74LS541DWR | 18740 | TI | 15+ | SOP-20 |
SN74LVC244ADWR | 18374 | TI | 08+ | SOP-20 |
SN74LVTH273DWR | 8780 | TI | 03+ | SOP-20 |
SN75185DBR | 11120 | TI | 15+ | SOP-20 |
SN75185DWR | 10958 | TI | 16+ | SOP-20 |
SN75C1154N | 2405 | TI | 04+ | SOP-20 |
TCM129C13ADW | 6368 | TI | 10+ | SOP-20 |
TLC2543C | 4210 | TI | 13+ | SOP-20 |
TLC2543CDWR | 1631 | TI | 14+ | SOP-20 |
TLC2543IDWR | 1253 | TI | 13+ | SOP-20 |
TLC7528CDWR | 12984 | TI | 15+ | SOP-20 |
TPIC0107B | 1934 | TI | 15+ | SOP-20 |
TPIC6273DWR | 2579 | TI | 16+ | SOP-20 |
TPIC6B273DWR | 5916 | TI | 14+ | SOP-20 |
TPIC6B595DWR | 7220 | TI | 15+ | SOP-20 |
TPIC6B596DWR | 48228 | TI | 16+ | SOP-20 |
TPIC8101DWR | 2093 | TI | 08+ | SOP-20 |
UCC2895DWTR | 1985 | TI | 10+ | SOP-20 |
UCC3895DWTRG4 | 6490 | TI | 13+ | SOP-20 |
TA8428F | 2906 | TOSHIBA | 16+ | SOP-20 |