Holtek HT9200B SO-14 DTMF Generator

The HT9200A/B tone generators are designed for MCU interfaces, they can be instructed by a MCU to generate 16 dual tones and 8 single tones from the DTMF pin, the HT9200B contains a selectable serial / parallel mode interface for various applications such as security systems, home automation, remote control through telephone lines, communication systems, etc.

• DTMF Generator
• 2.5 to 5.5V Supply voltage
• 2uA Standby current
• 0.15V rms DTMF AC level
• 3.58MHz System frequency
• 950uA Operating current
• -0.1mA Output drive current
• 68K Pull high resistance
• -20°C to +75°C
• SO-14 Case

Type	DTMF Generator
Device	HT9200B
Package	SO-14