# UNISONIC TECHNOLOGIES 81CXXX/81NXXX CMOS IC

## Voltage Detectors with Built-In Delay Time

Description
· CMOS technology voltage detector with high accuracy and low power consumption.
· Includes built-in delay circuit for simplified peripheral design and high-density mounting.
· Available in CMOS and N-channel open drain output configurations.

Features
· Accuracy: Detect voltage ± 2%
· Delay Time: 1ms ~ 50ms, 50ms ~ 200ms, 200ms ~ 400ms
· Temperature Characteristics: Detect Voltage Temperature: TYP ± 100ppm/°C
· Operating Voltage: 0.7V ~ 10.0V
· Current Consumption: TYP 1.0 µA (VIN = 2.0V)
· Package Options: TO-92, SOT-89, SOT-23

Ordering Information
· Series: 81CXXX (CMOS) / 81NXXX (N-Channel)
· Delay Time Codes: P (1 ~ 50ms), Q (50 ~ 200ms), R (200 ~ 400ms), H, J, K
· Lead Plating: Lead-free (L) or Pb/Sn (blank)
· Packing: Tape Reel (R), Tape Box (B), Bulk (K)
· Package Codes: AB3 (SOT-89), AE3 (SOT-23), T92 (TO-92)

Electrical Characteristics
· Detect Voltage: Varies with series/model (1.0V - 5.0V). See Marking Information for specific codes.
· Hysteresis Range: 0.02 ~ 0.08V
· Supply Current: 0.9 ~ 4.2 µA (depending on VIN)
· Output Current: Up to 13mA (depending on output type and VIN)

Marking Information
· Voltage Code: 10-50 corresponding to 1.0V - 5.0V in 0.1V increments.
· Package Codes: Refer to datasheet for specific markings.
· CMOS/N-Channel indicator

Thermal Characteristics
· Thermal Resistance (θJC): 45 °C/W (TO-92), 100 °C/W (SOT-89), 200 °C/W (SOT-23)

Absolute Maximum Ratings
· Input Voltage (VIN): 12V
· Output Current (IOUT): 50mA
· Operating Temperature (TOPR): -30 ~ +80°C
· Storage Temperature (TSTG): -40 ~ +125°C