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参数资料
| 型号： | MC92460ZU |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 40 CHANNEL(S), 66.7M bps, SERIAL COMM CONTROLLER, PBGA480 |
| 封装： | 37 X 37 MM, 1.70 MM HEIGHT, 1.27 MM PITCH, TBGA-480 |
| 文件页数： | 13/15页 |
| 文件大小： | 353K |
| 代理商： | MC92460ZU |
MOTOROLA
MC92460 HDLC Controller Hardware Specications
7
Electrical and Thermal Characteristics
1.2.5
AC Specications
These AC specications are target specications.
1.2.5.1
SYSCLK Timing
Table 6 shows the system clock timing.
Figure 2 shows the SYSCLK.
Figure 2. SYSCLK
1.2.5.2
EXCLK Timing
Table 7 shows the external clock timing.
Table 6. Clock Timing
Characteristics
Symbol
Min
Max
Unit
Operation Frequency
f
60.0
66.7
MHz
Clock period
15.0
16.7
nS
Clock pulse width
tCL,tCH
78
nS
SYSCLK input high voltage
VIHC
2.4
3.465
V
SYSCLK input low voltage
VILC
GND
0.4
V
SYSCLK Jitter
±200
pS
Table 7. Clock Timing
Characteristics
Symbol
Min
Max
Unit
Operation Frequency
f
14.0
16.0
MHz
Clock duty
40
60
%
Clock Pulse width
tCL,tCH
25
42.8
nS
EXCLK input high voltage
VIHC
2.4
3.465
V
EXCLK input low voltage
VILC
GND
0.4
V
EXCLK Jitter
+200
pS
SYSCLK
tCH
tCL
tcyc
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