參數(shù)資料
型號： EC000UM
英文描述： EC000 Core User＇s Manual (SCM68000)
中文描述： EC000核心用戶手冊（SCM68000）
文件頁數(shù)： 47/145頁
文件大?。?/td> 829K
代理商： EC000UM
Electrical Characteristics
MOTOROLA
EC000 CORE PROCESSOR USER’S MANUAL
7-11
7.9 AC ELECTRICAL SPECIFICATIONS—CORE APPLICATIONS
SIGNALS
(Frequency = 0 to 20 MHz; GND = 0 Vdc; TA = TL to TH; refer to Figure 7-9)
Num
Characteristic
3.3 V
5.0 V
Unit
Min
Max
Min
Max
6
Clock Low to SIZ1–SIZ0 Asserted
—
20
—
18
ns
17
ASB, DSB Negated to ERWB High
15
—
15
—
ns
18
Clock High to ERWB High
0
20
0
18
ns
C3
Clock Low to ERWB Low
—20—
18
Clks
C4
Clock Low to RMCB Asserted
—20—
18
Clks
C5
Clock Low to RMCB Negated
—20—
18
ns
C7
Clock Low to TSCAE Asserted
—20—
18
ns
C8
Clock High to STOP Asserted
—20—
18
ns
C9
Clock Low to IPENDB Asserted
—20—
18
ns
C10
Clock Low to REFILLB Asserted
—20—
18
ns
C11
Clock Low to STATUSB Asserted
—20—
18
ns
C12
STOP Pulse Width
—2—
2
Clks
C14
REFILLB Pulse Width
—1—
1
Clks
C15
STATUSB Pulse Width
1313
Clks
C16
CLKI to CLKO
—5—5
ns
C171
Clock to AOEB, COEB, and DOEB Asserted
—
20
—
18
ns
NOTE:
1.AOEB, COEB, and DOEB will be a logic high only to put the appropriate signals into a high-impedance state. See
Section 2 Signal Description for more information about these signals.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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