参数资料
型号: MC68HC05V12CFNR2
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 119/135页
文件大小: 2080K
代理商: MC68HC05V12CFNR2
84
XMEGA B3 [DATASHEET]
8074D–AVR–08/2013
36.14.6 External Clock Characteristics
Figure 36-3. External Clock Drive Waveform
Table 36-25. External clock used as system clock without prescaling.
Note:
1.
The maximum frequency vs. supply voltage is linear between 1.8V and 2.7V, and the same applies for all other parameters with supply voltage conditions.
tCH
tCL
tCK
tCH
VIL1
VIH1
tCR
tCF
Symbol
Parameter
Condition
Min
Typ
Max
Units
1/t
CK
Clock frequency(1)
VCC = 1.6 - 1.8V
0
12
MHz
V
CC = 2.7 - 3.6V
0
32
t
CK
Clock period
V
CC = 1.6 - 1.8V
83.3
ns
VCC = 2.7 - 3.6V
31.5
tCH
Clock high time
V
CC = 1.6 - 1.8V
30.0
ns
V
CC = 2.7 - 3.6V
12.5
t
CL
Clock low time
VCC = 1.6 - 1.8V
30.0
ns
VCC = 2.7 - 3.6V
12.5
tCR
Rise time (for maximum frequency)
V
CC = 1.6 - 1.8V
10
ns
VCC = 2.7 - 3.6V
3
tCF
Fall time (for maximum frequency)
VCC = 1.6 - 1.8V
10
ns
V
CC = 2.7 - 3.6V
3
t
CK
Change in period from one clock cycle to the next
10
%
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