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CPU Shack  - May 30, 2005, 6:20 pm
Manufacturer:National Semiconductor
Model:INS8060D ISP-8A 600D
Speed:200KHz
Type:SC/MP II
Data Code:7837
Introduced:1975
Transistors:??
Package:40CDIP w/ Gold Lid
Process:??
Architecture:8 bit
Used in:Computers
Description:Simple-to-use Cost-effectiv MicroProcessor
Silicon gate, P-channel Isoplanar LSI technology
Designed to fill the gap between four-bit CPUs
(4004, 4040) and eight-bit microprocessors, the
SC/MP features a 12-bit address bus, interfacing
directly to 4 K bytes of standard memory. +5 V
and -7 V volts power supply. Providing CMOS
compatibility.

Disadvantage: SC/MP-II is much slower than CPUs
in N-Channel MOS technology. The simplest
instruction takes five microcycles, each 2 us
long – making the SC/MP-II about as fast as the
8008. Nevertheless, SC/MP-II should be attractive
in industrial controllers in which speed is not
critical.
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