mc68ec060 Freescale Semiconductor, Inc, mc68ec060 Datasheet - Page 345

• Manufacturer Part Number: mc68ec060
• Description: Mc68060 Superscalar 68k Microprocessor Including The Lc060 And Ec060
• Manufacturer: Freescale Semiconductor, Inc

12.5 CLOCK INPUT SPECIFICATIONS (V
NOTES:
MOTOROLA
1.Specification value at maximum frequency of operation.
2.Minimum frequency is periodically sampled and not 100% tested.
3.CLK may be stopped LOW to conserve power.
Num
4a
4b
55
56
1
2
3
4
1
1
Frequency of Operation
CLK Cycle Time
CLK Rise Time
CLK Fall Time
CLK Duty Cycle Measured at 1.5 V
CLK Pulse Width High Measured at 1.5 V
CLK Pulse Width Low Measured at 1.5 V
CLKEN Input Setup
CLKEN Input Hold
CLKEN
BCLK
CLK
Characteristic
Figure 12-1. Clock Input Timing Diagram
55
56
M68060 USERÕS MANUAL
4a
Min
20
45
0
Ñ
Ñ
9
9
8
2
2
1
50 MHz
V
4b
M
Max
50
55
11
11
CC
Ñ
Ñ
Ñ
2
2
= 3.3 V ± 5%)
6.75
6.75
Electrical and Thermal Characteristics
Min
0
15
45
Ñ
Ñ
7
2
55
2
66 MHz
56
V
2
L
66.67
Max
8.25
8.25
55
Ñ
Ñ
Ñ
2
2
V
H
3
13.3
Min
6.0
6.0
5.5
45
0
Ñ
Ñ
2
2
75 MHz
Max
7.3
7.3
75
55
Ñ
Ñ
Ñ
2
2
MHz
Unit
nS
nS
nS
nS
nS
nS
nS
%
12-3