Purchase MPC2605, In-stock MPC2605 From SeekIC, PDF Datasheet Download.

Part Number:
MPC2605
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Description：
The MPC2605 is a single chip, 256KB integrated look–aside cache with copy–back capab

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General Description

The MPC2605 is a single chip, 256KB integrated look–aside cache with copy–back capability designed for PowerPC applications (MPC603 and MPC604). Using 0.38 mm technology along with standard cell logic technology, the MPC2605 integrates data, tag, host interface, and least recently used (LRU) memory with a cache controller to provide a 256KB, 512KB, or 1 MB Level 2 cache with one, two, or four chips on a 64–bit PowerPC bus.

Maximum Ratings

Rating	Symbol	Value	Unit
Power Supply Voltage	V_DD	– 0.5 to + 4.6	V
Voltage Relative to VSS	V_in, V_out	– 0.5 to VDD + 0.5	V
Output Current (per I/O)	I_out	± 20	mA
Power Dissipation (Note 2)	_PD	—	W
Temperature Under Bias	T_bias	– 10 to + 85	℃
Operating Temperature	T_J	0 to + 125	℃
Storage Temperature	T_stg	– 55 to + 125	℃

Features

• Single Chip L2 Cache for PowerPC
• 66 MHz Zero Wait State Performance (2–1–1–1 Burst)
• Four–Way Set Associative Cache Design
• 32K x 72 Data Memory Array
• 8K x 18 Tag Array
• Address Parity Support
• LRU Cache Control Logic
• Copy–Back or Write–Through Modes of Operation
• Copy–Back Buffer for Improved Performance
• Single 3.3 V Power Supply
• 5 V Tolerant I/O
• One, Two, or Four Chip Cache Solution (256KB, 512KB, or 1MB)
• Single Clock Operation
• Compliant with IEEE Standard 1149.1 Test Access Port (JTAG)
• Supports up to Four Processors in a Shared Cache Configuration
• High Board Density 25 mm 241 PBGA Package