Datasheet

Electrical Characteristics
17-4 MCF5206e USER’S MANUAL MOTOROLA
17.3 AC ELECTRICAL SPECIFICATIONS
17.3.1 Clock Input Timing Specifications
Table 17-6. Clock Input Timing Specifications
1
CLK may be stopped to conserve power.
2
Specification values are not tested.
3
Specification values listed are for maximum frequency of operation.
17.3.2 Clock Input Timing Diagram
Figure 17-1. Clock Input Timing
NAME CHARACTERISTIC
40 MHz 54 MHz
UNIT
MIN MAX MIN MAX
Frequency of Operation
1
0 40.00 0 54.00 MHz
C1 CLK cycle time 25 — 18.5 — ns
C2
2
CLK fall time( from V
h
= 2.4V to V
l
= 0.5V)
—2—2ns
C3
2
CLK rise time (from V
l
= 0.5V to V
h
= 2.4V )
—2—2ns
C4 CLK duty cycle (measured at 1.5 V) 45 55 45 55 %
C4a
3
CLK pulse width high (measured at 1.5 V) 11.25 13.75 8.33 10.19 ns
C4b
3
CLK pulse width low (measured at 1.5 V) 11.25 13.75 8.33 10.19 ns
CLK
C1
C4a C4b
C3C2
V
h
V
l
Fr
eescale S
emiconduct
or
, I
Freescale Semiconductor, Inc.
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