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MPC2106BSG66 Datasheet

  • MPC2106BSG66

  • 512KB and 1MB BurstRAM Secondary Cache Modules for PowerPC P...

  • 249.42KB

  • 20頁

  • MOTOROLA   MOTOROLA

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by MPC2105A/D
512KB and 1MB BurstRAM鈩?/div>
Secondary Cache Modules for
PowerPC鈩?PReP/CHRP Platforms
The MPC2105A/B and the MPC2106A/B are designed to provide burstable, high
performance L2 cache for the PowerPC 60x microprocessor family in conformance
with the PowerPC Reference Platform (PReP) and the PowerPC Common Hardware
Reference Platform (CHRP) specifications.
The MPC2105A/B and MPC2106A/B utilize synchronous BurstRAMs. The
modules are configured as 64K x 72, and 128K x 72 bits in a 178 (89 x 2) pin DIMM
format. The MPC2105A/B uses four of the 3 V 64K x 18; the MPC2106A/B uses eight
of the 3 V 64K x 18. For tag bits, a 5 V cache tag RAM configured as 16K x 12 for tag
field plus 16K x 2 for valid and dirty status bits is used.
Bursts can be initiated with the ADS signal. Subsequent burst addresses are
generated internal to the BurstRAM by the CNTEN signal.
Write cycles are internally self timed and are initiated by the rising edge of the clock
(CLKx) inputs. Eight write enables are provided for byte write control.
Presence detect pins are available for auto configuration of the cache control.
The module family pinout will support 5 V and 3.3 V components for a clear path
to lower voltage and power savings. Both power supplies must be connected.
All of these cache modules are plug and pin compatible with each other.
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PowerPC鈥搒tyle Burst Counter on Chip
Flow鈥揟hrough Data I/O
Plug and Pin Compatibility
Multiple Clock Pins for Reduced Loading
20
鈩?/div>
Series Resistors on DL and DH Pins for Noise
Reduction (MPC2105A/6A)
All Cache Data and Tag I/Os are LVTTL (3.3 V) Compatible
Three State Outputs
Byte Write Capability
Fast Module Clock Rates: Up to 66 MHz
Fast SRAM Access Times: 10 ns for Tag RAM Match
9 ns for Data RAM
Decoupling Capacitors for Each Fast Static RAM
High Quality Multi鈥揕ayer FR4 PWB With Separate Power and Ground Planes
178 Pin Card Edge Module
Burndy Connector, Part Number: ELF178KSC鈥?Z50
MPC2105A
MPC2106A
MPC2105B
MPC2106B
178鈥揕EAD CARD EDGE
TOP VIEW
MPC2105A/B CASE 1132A鈥?1
MPC2106A/B CASE 1132鈥?1
1
24
25
47
48
80
BurstRAM is a trademark of Motorola.
The PowerPC name is a trademark of IBM Corp., used under license therefrom.
REV 1
12/19/96
漏
Motorola, Inc. 1996
MOTOROLA FAST SRAM
MPC2105A鈥PC2106A鈥PC2105B鈥PC2106B
1

MPC2106BSG66相關(guān)型號PDF文件下載

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    COMMON MODE CHOKE
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    Low-speed USB micro-controller
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