DS1233M:EconoReset

The DS1233M EconoReset uses a precision temperature-compensated reference and comparator circuit to monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal power fail signal is generated, which forces reset to the active (low) state. When VCC returns to an in-tolerance condition, the reset signal is kept in the active state for approximately 350ms to allow the power supply and processor to stabilize.

Key Features
  • Automatically restarts microprocessor after power failure
  • Maintains reset for 350ms after VCC returns to an in-tolerance condition
  • Reduces need for discrete components
  • Precision temperature-compensated voltage reference and voltage sensor
  • Low-cost TO-92 package or surface mount 8-pin SO packages available package
  • Internal 5k ohm pullup resistor
  • Compatible with Motorola 68XXX series and HC16 Microprocessors
  • Pin function compatible with the Motorola MC33064, MC34064, MC33164, and MC34164
  • Operating temperature of -40°C to +85°C
DS1233M: Block Diagram
DS1233M: Block Diagram
DataSheet
titleDownload file
DS1233M Data SheetDS1233M.pdf
Parametrics
Part NumberReset Thresh.
(V)
Reset OuttRESETWatchdog FeatureReset Thresh. Accur.
(%)
ICC
(µA)
Package/PinsBudgetary
Price
min@ +25°CmaxSee Notes
DS1233M2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
With Internal Pull-Up
85ms to 300ms
300ms to 1s
No Watchdog2.550SOIC(N)/8
TO92/3
$0.72 @1k
Ordering Information
Part NumberNotesStatusRecommended ReplacementPackageTempRoHS
DS1233M-33.3V-15% MonitorNo Longer AvailableDS1233M-3+TO92,;3 pin;19.5 mm²-40°C to +85°CNo
DS1233M-3+ActiveTO92,;3 pin;19.5 mm²-40°C to +85°CLead Free
DS1233M-3+T&RActiveTO92,;3 pin;27.6 mm²-40°C to +85°CLead Free
DS1233M-3/T&R3.3V-15% 2000/ReelNo Longer AvailableDS1233M-3+T&RTO92,;3 pin;27.6 mm²-40°C to +85°CNo
DS1233M-55V-10% MonitorNo Longer AvailableDS1233M-5+TO92,;3 pin;19.5 mm²-40°C to +85°CNo
DS1233M-5+ActiveTO92,;3 pin;19.5 mm²-40°C to +85°CLead Free
DS1233M-5+T&RActiveTO92,;3 pin;19.5 mm²-40°C to +85°CLead Free
DS1233M-5/T&R5V-10% 2000/ReelNo Longer AvailableDS1233M-5+T&RTO92,;3 pin;27.6 mm²-40°C to +85°CNo
DS1233M-555V-5% MonitorNo Longer AvailableDS1233M-55+TO92,;3 pin;19.5 mm²-40°C to +85°CNo
DS1233M-55+ActiveTO92,;3 pin;19.5 mm²-40°C to +85°CLead Free
Part NumberNotesStatusRecommended ReplacementPackageTempRoHS
DS1233M-55+T&RActiveTO92,;3 pin;27.6 mm²-40°C to +85°CLead Free
DS1233M-55/T&R5V-5% 2000/reelNo Longer AvailableDS1233M-55+T&RTO92,;3 pin;27.6 mm²-40°C to +85°CNo
DS1233MS-33.3V-15% MonitorNo Longer AvailableDS1233MS-3+SOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
DS1233MS-3+ActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
DS1233MS-3+T&RActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
DS1233MS-3/T&R3.3V-15%, 2500/ReelNo Longer AvailableDS1233MS-3+T&RSOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
DS1233MS-55V-10% MonitorNo Longer AvailableDS1233MS-5+SOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
DS1233MS-5+ActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
DS1233MS-5+T&RActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
DS1233MS-5/T&R5V-10% 2500/ReelNo Longer AvailableDS1233MS-5+T&RSOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
Part NumberNotesStatusRecommended ReplacementPackageTempRoHS
DS1233MS-555V-5% MonitorNo Longer AvailableDS1233MS-55+SOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
DS1233MS-55+ActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
DS1233MS-55+T&RActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
DS1233MS-55/T&R5V-5% 2500/ReelNo Longer AvailableDS1233MS-55+T&RSOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
DS1233M.pdf DS1233M
原理框图 DS1233M