8-BIT MICROPROCESSING UNIT
Advance Inforlll.ation
1.5 AND 2.0 MHz COMPONENTS FOR THE M6800 MICROCOMPUTER SYSTEM
The eight devices described in this...
Description
Advance Inforlll.ation
1.5 AND 2.0 MHz COMPONENTS FOR THE M6800 MICROCOMPUTER SYSTEM
The eight devices described in this data sheet extend the operating frequency of the M6800 Microcomputer Family. The block diagrams and device operation are the same as for the basic M6800-series components.
Fully Hardware and Software Compatible with the M6800 Family
Power Dissipation Approximately 20% Lower Than on Standard MC6800 Series
Clock Specification Improved for Reduced Complexity of Clock Generator/Driver Circuitry
The MC6821 and its higher-frequency versions provide drive capability of two TTL loads on all A- and B-side buffers, improving the drive capability of the MC6820.
1.5 MHz
2.0 MHz
MC68AOO·MC68BOO
MPH
MC68A21· MC68B21
PIA
MC68A50·MC68B50
ACIA
MCM68AIO· MCM68BIO
RAM
MOS
(N-eHANNEL, SILICON-GATE)
MICROPROCESSOR SYSTEM COMPONENTS
M6800 MICROCOMPUTER FAMILY BLOCK DIAGRAM
MC68AOO Microprocessor
MC68BOO
P SUFFIX PLASTIC PACKAGE
CASE 711
NOT SHOWN: L SUFFIX CERAMIC PACKAGE CASE 715
Address Bus
This is advance information and specifications are subject to change without notice.
For additional information on these devicesincluding block diagrams, signal descriptions, device operation and pin assignments-refer to the M6800 Microcomputer System Design Data brochure.
©MOTOROLA INC., 1977
ADI-429
MICROPROCESSING UNIT (MPU) MC68AOO MC68BOO
ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, ±5%, VSS = 0, T A = 0 to 700 C unless otherwise noted.)
Input High Voltage Input L...
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