JSMSEMI EV1527-JSM

EV1527-JSM is a general-purpose encoder with CMOS architecture, featuring a built-in pre-programmed address code with a 20-bit programmable space capable of generating 1 million unique code combinations, significantly reducing the probability of code collision and enhancing system security. The chip integrates a misoperation key-off function: when a key is held down continuously without any state change, the chip will repeatedly transmit data; after 15 seconds, the chip will automatically enter low-power mode and cease transmission, and the key-off state will not be released until the key is released.

• Ultra-low quiescent current, typical value less than 0.1 μA, usually 0.01 μA
• Excellent ESD protection
• Wide operating voltage range: VCC = 2.0V ~ 12V
• Supports 4-key input with 15 combination modes
• 15-second key lockout function to prevent accidental operation
• Compact SOP8 package
• Single-ended oscillator design requiring only one external oscillator resistor

• Vehicle anti-theft alarm remote control systems
• Electric door/window remote control systems
• Lighting remote control systems
• Wireless doorbells
• Other remote control systems