參數(shù)資料
型號(hào)： KMC7457VG1267LC
廠商： Freescale Semiconductor
文件頁數(shù)： 65/71頁
文件大?。?/td> 0K
描述： IC MPU RISC 32BIT 1267MHZ 483BGA
標(biāo)準(zhǔn)包裝： 1
系列： MPC74xx
處理器類型： 32-位 MPC74xx PowerPC
速度： 1.267GHz
電壓： 1.3V
安裝類型： 表面貼裝
封裝/外殼： 483-BCBGA，F(xiàn)CCBGA
供應(yīng)商設(shè)備封裝： 483-FCCBGA（29x29）
包裝： 托盤
MPC7457 RISC Microprocessor Hardware Specifications, Rev. 8
Document Revision History
Freescale Semiconductor
68
11 Document Revision History
Table 26 provides a revision history for this hardware specification.
Table 26. Document Revision History
Revision
Number
Date
Substantive Change(s)
8
04/09/2013
Updated template.
Updated Table 14 “L3 Bus Interface AC Timing Specifications for PB2 and Late Write SRAMs”.
Moved Revision History to the end of the document.
7
3/28/2006
Updated template.
Section 2, reworded L1 and L2 cache descriptions.
Removed note references for CI and WT in Table 12.
Added VG package signifier for 7457 only.
6
7/22/2005
Revised Note in Section 9.2.
Added heat sink vendor to list in Section 9.8.
Corrected bump and underfill model dimension in Section 9.8.3.
5
9/9/2004
Updated document to new Freescale template.
Updated section numbering and changed reference from part number specifications to addendums.
Added Rev. 1.2 devices, including increased L3 clock max frequency to 250 MHz and improved L3
AC timing.
Table 5: Added CTE information.
Table 8: Modified jitter specifications to conform to JEDEC standards, changed jitter specification to
cycle-to-cycle jitter (instead of long- and short-term jitter); changed jitter bandwidth
recommendations.
Table 13: Deleted note 9 and renumbered.
Table 14: Deleted note 5 and renumbered.
Table 17: Revised note 6.
Added Section 9.1.3.
Section 9.2: Changed filter resistor recommendations. Recommend 10
Ω resistor for all production
devices, including production Rev. 1.1 devices. 400
Ω resistor needed only for early Rev. 1.1
devices.
Table 22: Reversed the order of revision numbers.
Added Tables 25 and 26.
4.1
Section 9.1.1: Corrected note regarding different PLL configurations for earlier devices; all
MPC7457 devices to date conform to this table.
Section 9.6: Added information about unused L3_ADDR signals.
Table 24: Changed title to include document order information for MPC74x7RXnnnnNx series part
number specification.
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