(China (Mainland))
Product Summary
The CDP1805ACE is a kind of functional and performance enhancement of the CDP1802 CMOS 8-bit register- oriented microprocessor series and is designed for use in general-purpose applications. The CDP1805ACE hardware enhancements include a 64- byte RAM and an 8-bit presettable down counter. The Counter/Timer which generates an internal interrupt request, can be programmed for use in timebase, event-counting, and pulse-duration measurement applications. The Counter/Timer underflow output can also be directed to the Q output terminal.
Parametrics
CDP1805ACE absolute maximum ratings: (1)DC Supply-Voltage Range, (VDD) (All Voltages Referenced to VSS Terminal): -0.5V to +7V; (2)Input Voltage Range, All Inputs: -0.5V to VDD +0.5V; (3)DC Input Current, Any One Input: ±10mA; (4)Device Dissipation Per Output Transistor TA = Full Package Temperature Range (All Package Types): 100mW; (5)Operating Temperature Range (TA) Package Type E: -40℃ to +85℃; (6)Storage Temperature Range (TSTG): -65℃ to +150℃.
Features
CDP1805ACE features: (1)Instruction Time of 3.2μs, -40℃ to +85℃; (2)123 Instructions - Upwards Software Compatible With CDP1802; (3)BCD Arithmetic Instructions; (4)Low-Power IDLE Mode; (5)Pin Compatible With CDP1802 Except for Terminal 16; (6)64K-Byte Memory Address Capability; (7)64 Bytes of On-Chip RAM; (8)16 x 16 Matrix of On-Board Registers; (9)On-Chip Crystal or RC Controlled Oscillator; (10)8-Bit Counter/Timer.
Diagrams
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