参数资料
型号: 403GC-3BA40C1
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 40 MHz, RISC PROCESSOR, PBGA160
封装: PLASTIC, BGA-160
文件页数: 17/48页
文件大小: 768K
代理商: 403GC-3BA40C1
IBM PowerPC 403GC
24
Note:
1. Output times are measured with a standard 50 pF capacitive load, unless otherwise noted.
Input Setup and Hold Waveform
Notes:
1. The 403GC may be programmed to latch data from the data bus either on the rise of SysClk or the rise of CAS.
When the 403GC is programmed to latch data on CAS, bit 26 of the I/O control register (IOCR) is set to 1.
2. TCAS2CLK 15.5 ns. The capacitive load on the CAS outputs must not delay the CAS low-to-high transition such
that the period from the CAS rising edge to the next SysClk rising edge becomes less than 15.5 ns. The maximum
value of CAS capacitive loading can be determined by using the output time for CAS from Table 17 on page 27,
and applying the appropriate derating factor for your application. See the figure, "Output Derating for Capacitance
Table 14. 403GC Serial Port Output Timings
Symbol
Parameter
25 MHz
33 MHz
40 MHz
Units
TOHMin TOVMax TOHMin TOVMax TOHMin TOVMax
TOH, TOV Output hold, output valid time
TOH1, TOV1 DTR/RTS
TOH2, TOV2 XmitD
14
12
13
11
12
10
ns
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