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MSM54C864

Features: • Single power supply of 5 V ±10% with a built-in VBB generator• All inputs and outputs: TTL compatible• Multiport organization RAM port: 64K word × 8 bits SAM port: 256 word × 8 bits• RAM port Fast page mode, Read-modify-writeCAS beforeRAS refresh, Hidden refresh...

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SeekIC No. : 004428885 Detail

MSM54C864: Features: • Single power supply of 5 V ±10% with a built-in VBB generator• All inputs and outputs: TTL compatible• Multiport organization RAM port: 64K word × 8 bits SAM port: 256 ...

MSM54C864 Data Sheet

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Part Number:
MSM54C864
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Single power supply of 5 V ±10% with a built-in VBB generator
• All inputs and outputs: TTL compatible
• Multiport organization
   RAM port: 64K word × 8 bits
   SAM port: 256 word × 8 bits
• RAM port
   Fast page mode, Read-modify-write
   CAS before RAS refresh, Hidden refresh
   RAS only refresh, Standard write-per-bit
• SAM port
   High speed serial
   Read / Write capability
   Fully static register
   256 tap location
• RAM-SAM bidirectional, Read / Write / Pseudo write, Real time read transfer
• Refresh : 256 cycles/4 ms
• Package options:
   40-pin 475 mil plastic ZIP (ZIP40-P-475-1.27) (Product : MSM54C864-xxZS)
   40-pin 400 mil plastic SOJ (SOJ40-P-400-1.27) (Product : MSM54C864-xxJS)
                                                                                   xx indicates speed rank.


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Condition
Rating
Unit
Input Output Voltage
VT
Ta = 25°C
1.0 to 7.0
V
Output Current
IOS
Ta = 25°C
50
mA
Power Dissipation
PD
Ta = 25°C
1
W
Operating Temperature
Topr
-
0 to 70
°C
Storage Temperature
Tstg
-
55 to 150
°C



Description

The MSM54C864 is a 512Kbit CMOS multiport memory composed of a 65,536-word by 8-bit dynamic random access memory, RAM port, and a 256-word by 8-bit static serial access memory,SAM port. The RAM port and SAM port operate independently and asynchronously.

The MSM54C864 supports three types of operation : random access to and from the RAM port,high speed serial access to and from the SAM port and bidirectional transfer of data between any selected row in the RAM port and the SAM port. The RAM port and the SAM port of MSM54C864 can be accessed independently except when data is being transferred between them internally.




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