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Part Number: NT6868C
Description: NT6868C is a single chip micro-controller for keyboard applications. It incorporates a 6502 8-bit CPU core, 4K bytes...
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NT6868C
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DataSheet
General Description
NT6868C General Description
NT6868C is a single chip micro-controller for keyboard applications. It incorporates a 6502 8-bit CPU core, 4K bytes of ROM and 128 bytes of RAM used as working RAM and stack area. It also includes 29 programmable bi-directional I/O pins and one 8-bit pre-loadable base timer.
Additionally, it includes a built-in low voltage reset, a 4MHz RC oscillator that only requires an externally applied or a 4MHz ceramic resonator, and a watch-dog timer that has a resistor preventing system standstill.
NT6868C Maximum Ratings
DC Supply Voltage . . . . . . . . . . . . . .-0.3V to +7.0V
Input/Output Voltage . . . GND -0.2V to VDD + 0.2V
Operating Ambient Temperature . . . . .0 to +70
Storage Temperature . . . . . . . . . . .-55 to +125
Operating Voltage (VDD) . . . . . . . . . .+4.5V to 5.5V
Input/Output Voltage . . . GND -0.2V to VDD + 0.2V
Operating Ambient Temperature . . . . .0 to +70
Storage Temperature . . . . . . . . . . .-55 to +125
Operating Voltage (VDD) . . . . . . . . . .+4.5V to 5.5V
NT6868C Features
Built-in 6502 8-bit CPU
2 MHz CPU operation frequency
4K bytes of ROM
128 bytes of SRAM
One 8-bit programmable base timer with 1 - 256 msec interval
29 programmable bi-directional I/O pins
3 LED direct sink pins with internal serial resistors
Mask optional for built-in RC oscillator with an external resistor or external ceramic resonator applied
Mask optional for DATA/CLK driving capability
Watch-dog timer
Built-in power-on reset
Built-in low voltage reset
CMOS technology for low power consumption
Available in 40 pin DIP package and 40 pad CHIP FORM
2 MHz CPU operation frequency
4K bytes of ROM
128 bytes of SRAM
One 8-bit programmable base timer with 1 - 256 msec interval
29 programmable bi-directional I/O pins
3 LED direct sink pins with internal serial resistors
Mask optional for built-in RC oscillator with an external resistor or external ceramic resonator applied
Mask optional for DATA/CLK driving capability
Watch-dog timer
Built-in power-on reset
Built-in low voltage reset
CMOS technology for low power consumption
Available in 40 pin DIP package and 40 pad CHIP FORM
NT6868C Connection Diagram
NT6868C
PDF/DataSheet Download
- Datasheet: NT6868C
- File Size: 216145 KB
- Manufacturer: ETC [ETC]
- Click here to Download
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