Supply Chain
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1998-03-23
Lifecycle StatusObsolete (Last Updated: 1 month ago)
LTB Date2025-12-31
LTD Date2026-03-31
Descriptions
Descriptions of Holtek HT1381 provided by its distributors.
HH:MM:SS (12/24 hr) 2V 5.5V Serial YY-MM-DD SOIC-8
Real-Time Clock RTC
Serial Timekeeper Chip
vpe: 2500/tr/so8
Manufacturer Aliases
Holtek has several brands around the world that distributors may use as alternate names. Holtek may also be known as the following names:
- HOLTEK SEMICONDUCTOR INC
- Holtek Semiconductor
- Holtek Semicon
- Holmate Technology Corp (Holtek)
- HOLTEKSEMI
- Holtex semiconductor
- Holtek Microelectronics
- HOLTEK SEMICONDUCTORS
- HOLTEK SEMICONDUCTORS INC
- HOLTEK SEMICOND
- HOLTEK SEM
- HOLTEK MICRO
- Holtek Microelectronics Inc
- HOLTEK Datasheet
- HOLTE
Technical Specifications
Physical
Case/PackageSOP
Number of Terminals8
Technical
InterfaceSerial
Max Frequency32 kHz
Max Operating Temperature70 °C
Max Supply Current1.2 µA
Max Supply Voltage5.5 V
Min Operating Temperature0 °C
Min Supply Voltage2 V
Number of Timers/Counters0
Operating Supply Voltage5 V
Temperature GradeCommercial
Dimensions
Height - Seated (Max)1.75 mm
Length4.9 mm
Terminal Pitch1.27 mm
Width3.9 mm