Mc68008 Ac Electrical Specifications-Clock Timing - Motorola M68000 User Manual

10.9 MC68008 AC ELECTRICAL SPECIFICATIONS — CLOCK TIMING
Figure 10-3)
Num Characteristic
Frequency of Operation
1 Cycle Time
2,3 Clock Pulse Width
4,5 Clock Rise and Fall Times
*These specifications represent an improvement over previously published specifications for the 8-, and 10-MHz
MC68008 and are valid only for product bearing date codes of 8827 and later
2.0 V
0.8 V
4
NOTE: Timing measurements are referenced to and from a low voltage of 0.8 V and a high
voltage of 2.0 V, unless otherwise noted. The voltage swing through this range
should start outside and pass through the range such that the rise or fall will be linear
between 0.8 V and 2.0 V.
.
MOTOROLA M68000 8-/16-/32-BIT MICROPROCESSORS USER'S MANUAL
Freescale Semiconductor, Inc.
8 MHz* 10 MHz*
Min Max Min
2.0 8.0 2.0
125 500 100
55 250 45
— 10 —
5
Figure 10-3. Clock Input Timing Diagram
For More Information On This Product,
Go to: www.freescale.com
Unit
Max
10.0 MHz
500 ns
250 ns
10 ns
1
2 3
(See
10-9