参数资料
型号: IBM25PPC750FX-FB0112T
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 600 MHz, RISC PROCESSOR, CBGA292
封装: 21 X 21 MM, 1 MM PITCH, CERAMIC, BGA-292
文件页数: 14/62页
文件大小: 452K
代理商: IBM25PPC750FX-FB0112T
DD 2.X
Preliminary
PowerPC 750FX RISC Microprocessor
Body_750FX_DS_DD2.X.fm.2.0
June 9, 2003
3. Electrical and Thermal Characteristics
Page 19 of 63
3.6 Alternate I/O Timing For 3.3V Bus
An alternate I/O timing specification may be used for dd2.3, where:
OVDD = 3.3V +/- 5%,
VDD = 1.45V +/- 50mV, and
Tj = -40
0 C to 1050 C.
All other recommended operating conditions are as per Table 3-2.
The following alternate I/O timing specifications may be used under the above conditions:
1. Consider VM = 1/2 (OVDD) for SYSCLK, input timing, and output timings.
2. Input hold (T11a) becomes 250 ns minimum for 3.3V. Output hold (T14) becomes 650 ns minimum for
3.3V.
3. All other timing specications are unchanged.
Figure 3-6. Output Timing Diagram for PowerPC 750FX RISC Microprocessor
Note: SYSCLK VM as defined in Section 3.2 Clock AC Specifications on page 13. Output VM as defined in Section 3-5 Output Valid
SYSCLK
All Outputs
(Except TS,
ARTRY)
TS
ARTRY
12
13
14
15
VMSYSCLK
14
VMSYSCLK
13
19
17
20
18
VM
Low Level
Hi-Z
High Level
16
ABB, DBB
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