Microprocessor Supervisory Circuit with Watchdog Timer and Manual Reset, SGM823 Replace TPS3820-33.
FEATURES

• Ultra-Low Supply Current: < 1μA (TYP)

• Precision Supply-Voltage Monitor

  4.63V for SGM823-L

  3.08V for SGM823-T

  2.93V for SGM823-S

  2.63V for SGM823-R

• Guaranteed nRESET Valid at VCC = 1V

• Push-Pull nRESET Output

• Reset Pulse Width: 200ms (TYP)

• Debounced TTL/CMOS-Compatible

• Manual Reset Input

• Watchdog Timer with 1.6s (TYP) Timeout

• Fully Specified over Temperature

• Power-Supply Transient Immunity

• Without External Components

• -40℃ to +125℃ Operating Temperature Range

• Available in a Green SOT-23-5 Package

PIN CONFIGUTION
优势替代
TPS3820-33 TPS3820-33.pdf

No.12943

FEATURES

• Power-on reset generator with a fixed delay time

  of 200 ms (TPS3823, TPS3824, TPS3825, and

  TPS3828) or 25 ms (TPS3820)

• Manual reset input (TPS3820, TPS3823,

  TPS3825, and TPS3828)

• Reset output available in active-low (TPS3820,

  TPS3823, TPS3824, and TPS3825), active-high

  (TPS3824 and TPS3825), and open drain

  (TPS3828)

• Supply voltage supervision range:

  2.5 V, 3 V, 3.3 V, 5 V

• Watchdog timer (TPS3820, TPS3823, TPS3824,

  and TPS3828)

• Supply current of 15 μA (typical)

• 5-pin SOT-23 package

• Temperature range: −40°C to 85°C (−40°C to

  125°C for TPS3823A-33)

PIN CONFIGUTION
网站地图