MC68EC000 Motorola, MC68EC000 Datasheet - Page 140

• Manufacturer Part Number: MC68EC000
• Description: Core Processor (SCM 68000)
• Manufacturer: Motorola

7.9 AC ELECTRICAL SPECIFICATIONS—CORE APPLICATIONS
MOTOROLA
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.
C17
Num
C10
C11
C12
C14
C15
C16
C3
C4
C5
C7
C8
C9
17
18
6
SIGNALS
(Frequency = 0 to 20 MHz; GND = 0 Vdc; T A = T L to T H ; refer to Figure 7-9)
1
Clock Low to SIZ1–SIZ0 Asserted
ASB, DSB Negated to ERWB High
Clock High to ERWB High
Clock Low to ERWB Low
Clock Low to RMCB Asserted
Clock Low to RMCB Negated
Clock Low to TSCAE Asserted
Clock High to STOP Asserted
Clock Low to IPENDB Asserted
Clock Low to REFILLB Asserted
Clock Low to STATUSB Asserted
STOP Pulse Width
REFILLB Pulse Width
STATUSB Pulse Width
CLKI to CLKO
Clock to AOEB, COEB, and DOEB Asserted
Freescale Semiconductor, Inc.
Characteristic
EC000 CORE PROCESSOR USER’S MANUAL
For More Information On This Product,
Go to: www.freescale.com
Min
15
—
—
—
—
—
—
—
—
—
—
—
—
—
0
1
3.3 V
Max
20
20
20
—
20
20
20
20
20
20
20
20
3
5
2
1
Electrical Characteristics
Min
15
—
—
—
—
—
—
—
—
—
—
—
—
—
0
1
5.0 V
Max
18
18
18
18
18
18
18
18
18
18
18
—
2
1
3
5
Unit
Clks
Clks
Clks
Clks
Clks
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7-11