National Semiconductor COP8AME9EMW8/NOPB

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Product attributes Property Value
Manufacturer National Semiconductor
Product Series COP8™ 8A
Packaging Bulk |
Core Processor COP8
Core Size 8-Bit
Speed 20MHz
Connectivity Microwire/Plus (SPI), UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O 21
Program Memory Size 8KB (8K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V
Data Converters A/D 6x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 28-SOIC
Package / Case 28-SOIC (0.295", 7.50mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The COP8AME9EMW8/NOPB is an 8-bit microcontroller from National Semiconductor's COP8 family. It operates at 20MHz with 8KB program memory and 512 bytes RAM. The 28-SOIC package supports 4.5-5.5V supply, making it ideal for industrial and automotive applications requiring robust 5V logic.

  • 5V operation – Direct interface with legacy sensors and actuators.
  • Integrated WDT and brown-out reset – Improves system reliability.
  • 20MHz speed – Sufficient for real-time control loops.
  • Wide temperature range – Suitable for outdoor and automotive use.

Industrial Control

8KB flash and 5V operation suit relay logic and simple motor control.

Sensor Interface

Built-in PWM and temp sensor enable direct transducer conditioning.

Power Management

Brown-out detect and POR ensure safe shutdown in 5V systems.

Automotive Body Electronics

Wide temp range (-40 to 85°C) and WDT support harsh environments.

Consumer Appliances

Low pin count and 5V logic simplify PCB design for white goods.

Legacy System Replacement

Drop-in upgrade for older COP8 designs with same voltage and package.

Q: What is the operating voltage range?
A: 4.5V to 5.5V.
Q: What core does it use?
A: COP8 8-bit core at 20MHz.
Q: How much flash and RAM?
A: 8KB flash and 512 bytes RAM.
Q: What package is available?
A: 28-SOIC wide body.
Q: Does it have a watchdog timer?
A: Yes, includes WDT and brown-out reset.
Base Product Number : COP8AME9EMW8
20MHz 28-SOIC 512B RAM 5V 8-bit MCU 8KB flash automotive COP8 industrial control PWM WDT
Q: What is the operating voltage range?
A: 4.5V to 5.5V.
Q: What core does it use?
A: COP8 8-bit core at 20MHz.
Q: How much flash and RAM?
A: 8KB flash and 512 bytes RAM.
Q: What package is available?
A: 28-SOIC wide body.
Q: Does it have a watchdog timer?
A: Yes, includes WDT and brown-out reset.