MC7457RX1267LC Datasheet, PDF (68/71 Pages) Freescale Semiconductor, Inc – Microprocessor

Document Revision History
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.
MPC7457 RISC Microprocessor Hardware Specifications, Rev. 8
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Freescale Semiconductor