MC68EC040RC25 Freescale Semiconductor, MC68EC040RC25 Datasheet - Page 417
MC68EC040RC25
Manufacturer Part Number
MC68EC040RC25
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040RC25.pdf
(442 pages)
Specifications of MC68EC040RC25
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
25MHz
Instruction Set Architecture
RISC
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
179
Package Type
PGA
Lead Free Status / Rohs Status
Supplier Unconfirmed
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Manufacturer
Quantity
Price
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Part Number:
MC68EC040RC25A
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MOT
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C.7.5 Clock AC Timing Specifications
NOTES:
MOTOROLA
Num
5
6,7 1
8
8a 2
8b 2
9
1. Rising and falling edges of BCLK must be monotonic.
2. Specification value at maximum frequency of operation. BCLK must not exceed 16.67 MHz for low
BCLK
Frequency of Operation
BCLK Cycle Time
BCLK Rise and Fall Time
BCLK Duty Cycle Measured at 1.5 V
BCLK Pulse Width High Measured at 1.5 V
BCLK Pulse Width Low Measured at 1.5 V
BCLK edge to edge jitter
frequency operation
Characteristic
Figure C-12. Clock Input Timing Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
8A
Go to: www.freescale.com
M68040 USER’S MANUAL
5
PRELIMINARY
0 - 16.67 MHz
28.5
28.5
Min
60
—
45
—
0
VM
8B
(See Figure C-12)
16.67
Max
—
—
—
55
—
2
16.67
Min
40
—
18
18
45
—
25 MHz
6
Max
25
60
22
22
20
55
2
VIH
VIL
16.67
13.63
13.63
Min
30
—
45
—
33 MHz
16.66
16.66
Max
33
60
55
20
2
7
Unit
MHz
ns
ns
ns
ns
ps
%
C-21
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