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Watchdog Timers (WDT)

Watchdog Timer + LDO Regulator + Reset IC (With Delay Function (External Capacitor Type))

Product Name Class AEC-Q100 Ta [°C] Operating Voltage
(Absolute Max.) [V]
LDO Regulator Part Reset IC Part WDT Part Supply Current
Typ.[µA]
Remarks Package Datasheet
Output Voltage [V] Output Voltage Accuracy Output Current [mA] Detector Threshold [V] Detector Threshold Accuracy Timeout Period
Typ.[ms]*1
R5104 K   -40 to 125 MAX. 36.0
(50.0)
3.3 to 5.0 ±2.0% Depends on Ext. Tr. 2.8 to 4.0 ±2.0% 300 60 Peak*2 : 60V
SSOP-10 Automotive
R5110 K,A Compliant -40 to 125 3.5 to 36.0
(50.0)
1.8 to 5.0 ±1.5%*3 500 1.6 to 5.5 ±1.8%*3 18 25 Peak*2 : 60V
Window WDT selectable*4
ThermalInrush
HSOP-8E
HSOP-18
Automotive
R5111 K,A Compliant -40 to 125 3.5 to 36.0
(50.0)
1.8 to 5.0 ±1.5%*3 300 1.6 to 5.5 ±1.8%*3 18 25 HSOP-8E
HSOP-18
Automotive
NEW
R5114
K,A   -40 to 125 3.5 to 42.0
(50.0)
3.3 to 5.0 ±1.6%*3 250 2.5 to 4.8 ±1.6%*3 18 8.5 Peak*2 : 60V
Thermal
HSOP-8E
HSOP-18
Automotive
NEW
R5115
K,A   -40 to 125 3.5 to 42.0
(50.0)
3.3 to 5.0 ±1.6%*3 250 2.5 to 4.8 ±1.6%*3 18 8.5 Peak*2 : 60V
Window WDT only*4
Thermal
HSOP-8E
HSOP-18
Automotive
R8360 R8 Compliant -40 to 125 3.5 to 36.0
(50.0)
1.8 to 5.0 ±1.5%*3 500 1.6 to 5.5 ±1.8%*3 18 25 Peak*2 : 60V
Window WDT selectable*4
ThermalInrush
HSOP-8E
HSOP-18
-

Peak : Peak Voltage   Thermal : Thermal Shutdown Circuit   Inrush : Inrush Current Limit Circuit

  • *1R5104: CTW=0.1µF, R5110/R5111/R5114/R5115/R8360: CTW=0.01µF
  • *2Duration time=200ms
  • *3The K class is guaranteed specification for full operating temperature range. The A class is guaranteed by design engineering at full operating temperature range. The R8360 is guaranteed specification for full operating temperature range.
  • *4Window Watchdog Timer monitors the presence of output pulses from a CPU in a preset period of time (OPEN Window) , in case these pulses fail the watchdog timer will initiate a CPU reset after a time out period.

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Watchdog Timer + Reset IC (With Delay Function (External Capacitor Type))

Product Name Class AEC-Q100 Ta [°C] Input Voltage (Absolute Max.) [V] Reset IC Part WDT Part Supply Current
Typ.[µA]
Remarks Package Datasheet
Detector Threshold [V] Detector Threshold Accuracy Timeout Period
Typ.[ms]*1
R5105 J Compliant -40 to 105 0.9 to 6.0
(7.0)
1.5 to 5.5 ±1.0% 310 11   SOT-23-6 Automotive
R5106 J Compliant With INH pin (Inhibit), CD pin and CTW Pin are combined. SOT-23-6 Automotive
R5107 J Compliant With INH pin (Inhibit) and MR pin (Manual Reset) SSOP-8G Automotive
R5108 J Compliant 1.5 to 6.0
(7.0)
With INH pin (Inhibit) and SENSE pin SSOP-8G Automotive
R5109 J Compliant 0.9 to 6.0
(7.0)
11.5 With INH pin (Inhibit), 2 clock input type SSOP-8G Automotive
R8355 R8 Compliant -40 to 125 0.9 to 6.0
(7.0)
1.5 to 5.5 ±1.0%,
-2.8%/+1.5%*2
310 11   SOT-23-6 -
R8356 R8 Compliant With INH pin (Inhibit), CD pin and CTW Pin are combined. SOT-23-6 -
R8357 R8 Compliant With INH pin (Inhibit) and MR pin (Manual Reset) SSOP-8G -
R8358 R8 Compliant 1.5 to 6.0
(7.0)
With INH pin (Inhibit) and SENSE pin SSOP-8G -
R8359 R8 Compliant 0.9 to 6.0
(7.0)
11.5 With INH pin (Inhibit), 2 clock input type SSOP-8G -
  • *1CTW=0.1µF

  • *2Ta=-40 to 110°C

AEC-Q100

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[ Automotive Class ]

Ricoh provides three classes of automotive products corresponding to required quality level.

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