DS89C420_05 Datasheet, PDF (47/47 Pages) Maxim Integrated Products – Ultra-High-Speed Microcontroller

DS89C420 Ultra-High-Speed Microcontroller
REVISION HISTORY
REVISION
092200
Initial release
DESCRIPTION
122601
Added errata (See www.maxim-ic.com/errata for details.)
042702
Official product introduction release
051302
103102
032003
Inserted AC Characteristics table
Removed (Min Operating Voltage) from DC Electrical Characteristics;
inserted diagram of ROM loader interface circuit
Added 25MHz variant information
102203
081805
Modified Figure 7 to support programmer-only operation.
Clarified availability of progamming software.
Corrected min/max external clock speed table in Note 1.
Removed detailed parallel programming instructions and repalced with a
note to contact factory for more information.
47 of 47
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