参数资料
型号: MC68EC030FE25CB1
厂商: Freescale Semiconductor
文件页数: 17/36页
文件大小: 0K
描述: IC MPU 32BIT ENH 25MHZ 132-CQFP
标准包装: 180
系列: M680x0
处理器类型: M680x0 32-位
速度: 25MHz
电压: 5V
安装类型: 表面贴装
封装/外壳: 132-BCQFP
供应商设备封装: 132-CQFP(24x24)
包装: 托盘
2 4
MC68EC030 TECHNICAL DATA
MOTOROLA
0.8 V
2.0 V
NOTE:
4
5
1
2
3
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 so that the rise or fall will be
linear between 0.8 V and 2.0 V.
Figure 10. Clock Input Timing Diagram
AC ELECTRICAL SPECIFICATIONS -- READ AND WRITE CYCLES
(VCC=5.0Vdc ± 5%; GND=0 Vdc; temperature in defined ranges; see Figures 11–16)
Num.
Characterstics
25MHz
40 MHz
Unit
Min
M a x
Min
M a x
6
Clock High to Function Code, Size,
RMC, IPEND,CIOUT,
Address Valid
0200
14
ns
6A
Clock High to
ECS, OCS Asserted
0
15
0
10
ns
6B
Function Code, Size,
RMC, IPEND, CIOUT, Address Valid to
Negating Edge of
ECS
3—
3
ns
7
Clock High to Function Code Size,
RMC, CIOUT, Address Data
High
Impedance
0400
25
ns
8
Clock High to Function Code Size,
RMC, IPEND, CIOUT, Address
Invalid
0—
0
ns
9
Clock Low to
AS, DS Asserted, CBREQ Valid
3
18
2
10
ns
9A1
AS to DS Assertion Skew (Read)
-10
10
-6
6
ns
9B14
AS Asserted to DS Asserted (Write)
27
16
ns
10
ECS Width Asserted
10
5
ns
10A
OCS Width Asserted
10
5
ns
10B7
ECS, OCS Width Negated
5
5
ns
11
Function Code, Size,
RMC, CIOUT, Address Valid to AS Asserted
(and
DS Asserted, Read)
7—
5
ns
12
Clock Low to
AS, DS, CBREQ Negated
0
18
0
10
ns
12A
Clock Low to
ECS/OCS Negated
0
18
0
12
ns
13
AS, DS Negated to Function Code, Size, RMC CIOUT, Address
Invalid
7—
3
ns
14
AS (and DS Read) Width Asserted (Asynchronous Cycle)
70
30
ns
14A11
DS Width Asserted (Write)
30
18
ns
14B
AS (and DS, Read) Width Asserted (Synchronous Cycle)
30
18
ns
15
AS, DS Width Negated
30
18
ns
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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