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HMS99C51

Features: • Fully compatible to standard MCS-51 microcontroller• Wide operating frequency up to 40MHz (for more detail, see HMS99C5X Series Selection Guide )• X2 Speed Improvement capability ( X2 Mode : 6 clocks/machine cycle) 20MHz @5V (Equivalent to 40MHz @5V)• 4K bytes ...

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SeekIC No. : 004364895 Detail

HMS99C51: Features: • Fully compatible to standard MCS-51 microcontroller• Wide operating frequency up to 40MHz (for more detail, see HMS99C5X Series Selection Guide )• X2 Speed Improvement...

HMS99C51 Data Sheet

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Part Number:
HMS99C51
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Fully compatible to standard MCS-51 microcontroller
• Wide operating frequency up to 40MHz (for more detail, see "HMS99C5X Series Selection Guide")
• X2 Speed Improvement capability ( X2 Mode : 6 clocks/machine cycle) 20MHz @5V (Equivalent to 40MHz @5V)
• 4K bytes FLASH ROM
• 128 * 8Bit RAM
• 64K external program memory space
• 64K external data memory space
• Four 8-bit ports
• Two 16-bit Timers / Counters
• USART
• Programmable ALE pin enable / disable (Low EMI)
• Five interrupt sources, two priority levels
• Power saving Idle and power down mode
• P-DIP-40, P-LCC-44, P-MQFP-44 package
• Temperature Ranges : -40°C ~ 85°C


Pinout

Connection Diagram


Specifications

Ambient temperature under bias (TA).......................................................................... -40 to + 85
Storage temperature (TST)....................................................................................... -65 to + 150
Voltage on VCC pins with respect to ground (VSS) ..................................................... ..-0.5V to 6.5V
Voltage on any pin with respect to ground (VSS) ................................................-0.5V to VCC + 0.5V
Input current on any pin during overload condition...................................................-10mA to +10mA
Absolute sum of all input currents during overload condition............................................ ......|100mA|
Power dissipation ................................................................................................................ 200mW


Description

The HMS99C51 series is fully compatible to the standard 8051 microcontroller family. It is compatible with the general 8051 family. While maintaining all architectural and operational characteristics of the general 8051 family.




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