HT1381 General Description
HT1381 Maximum Ratings
Supply Voltage.............................-0.3V to 5.5V
Storage Temperature................ -50 to 125
Input Voltage ............... VSS-0.3V to VDD+0.3V
Operating Temperature ................. 0 to 70
Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
HT1381 Features
` Operating voltage: 2.0V~5.5V
` Maximum input serial clock: 500kHz at VDD=2V, 2MHz at VDD=5V
` Operating current: less than 400nA at 2V, less than 1.2A at 5V
` TTL compatible
` VIH: 2.0V~VDD+0.3V at VDD=5V
` VIL: -0.3V~+0.8V at VDD=5V
` Two data transmission modes: single-byte, or burst mode
` Serial I/O transmission
` All registers store BCD format
` HT1380: 8-pin DIP package HT1381: 8-pin SOP package
HT1381 Typical Application
· Microcomputer serial clock
· Clock and Calendar
HT1381 Connection Diagram
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