參數(shù)資料
型號: IBM25PPC750GLECR5HA3T
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 1000 MHz, RISC PROCESSOR, CBGA292
封裝: 21X 21 MM, 1 MM PITCH, CERAMIC, BGA-292
文件頁數(shù): 54/76頁
文件大?。?/td> 1031K
代理商: IBM25PPC750GLECR5HA3T
Datasheet
IBM PowerPC 750GL RISC Microprocessor
DD1.X
Preliminary
System Design Information
Page 58 of 74
750GL_ds_body.fm 1.2
March 13, 2006
Table 5-5 summarizes the driver impedance characteristics a designer uses to design a typical process.
5.5.1 Input/Output Usage
Table 5-6, Input/Output Usage, on page 59 provides details on the input/output usage of the IBM PowerPC
750GL RISC Microprocessor signals. The Usage Group column refers to the general functional category of
the signal.
In the IBM PowerPC 750GL RISC Microprocessor, certain input/output signals have pullups and pulldowns,
which may or may not be enabled. In Table 5-6, the “Input/Output with Internal Pullup Resistors” column
defines which signals have these pullups or pulldowns and their active or inactive state. The “Level Protect”
column defines which signals have the designated function added to their Input/Output cell. For more about
level protection, see Section 5.8.1 on page 71.
Caution: This section is based on preliminary information and is subject to change.
Table 5-5. Driver Impedance Characteristics
Process
60× Impedance (
)
OVDD (V)
Temperature (
°C)
Worst
49
1.8
105
Typical
47
1.8
105
Best
43
1.8
85
Worst
47
2.5
105
Typical
45
2.5
105
Best
43
2.5
85
Worst
51
3.3
105
Typical
49
3.3
105
Best
45
3.3
85
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