(Hong Kong)
Product Summary
The NT6868AH-10089 is a keyboard controller. And it incorporates a 6502 8-bit CPU core, 4K bytes of ROM, and 128 bytes of RAM used as working RAM and stack area.
Parametrics
NT6868AH-10089 absolute maximum ratings: (1)Storage Temperature Range: -55°C to +125°C; (2)Operating Ambient Temperature Range: 0°C to +70°C; (3)DC Supply Voltage: -0.3V to +7.0V; (4)Input/Output Voltage: GND-0.2V to VDD+0.2V; (5)Operating Voltage (VDD): +4.5V to 5.5V.
Features
NT6868AH-10089 features: (1)Built-in 6502 8-bit CPU; (2)2 MHz CPU operation frequency; (3)4K bytes of ROM; (4)128 bytes of SRAM; (5)One 8-bit programmable base timer with 1 - 256 msec interval; (6)29 programmable bi-directional I/O pins; (7)3 LED direct sink pins with internal serial resistors; (8)Mask optional for built-in RC oscillator with an external resistor or external ceramic resonator applied; (9)Watch-dog timer; (10)Built-in power-on reset; (11)Built-in low voltage reset; (12)CMOS technology for low power consumption; (13)Available in 40 pin DIP package and 40 pad CHIP FORM.
Diagrams
