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66257FP

Features: • Memory configuration of 5120 words ×8 bits× 2 (dynamic memory)• High-speed cycle ............................................. 25ns (Min.)• High-speed access ......................................... 18ns (Max.)• Output hold ........................................

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SeekIC No. : 004237811 Detail

66257FP: Features: • Memory configuration of 5120 words ×8 bits× 2 (dynamic memory)• High-speed cycle ............................................. 25ns (Min.)• High-speed access .............

66257FP Data Sheet

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Part Number:
66257FP
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: 2024/11/17

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Product Details

Description



Features:

• Memory configuration of 5120 words ×8 bits× 2 (dynamic memory)
• High-speed cycle ............................................. 25ns (Min.)
• High-speed access ......................................... 18ns (Max.)
• Output hold ........................................................ 3ns (Min.)
• Fully independent, asynchronous write and read operations
• Output .................................................................... 3 states
• Q00 to Q07 ........................................................ 1-line delay
• Q10 to Q17 ........................................................ 2-line delay


Application

Digital photocopiers, high-speed facsimile, laser beam printers.


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Rating
Unit
Vcc Supply voltage
 A value based on GND pin
-0.5to+7.0
V
VI Input voltage
0.5 toVcc+0.5
V
Vo Output voltage
0.5 toVcc+0.5
V
Pd Maximum power dissipation Ta = 25°C
660
mW
Tstg Storage temperature  
-65 to +150
°C



Description

The 66257FP is a high-speed line memory with a FIFO(First In First Out) structure of 5120-word ´ 8-bit double configuration which uses high-performance silicon gate CMOS process technology.

The 66257FP allows simultaneous output of 1-line delay data and 2-line delay data, and is most suitable for data correction over multiple lines.

The 66257FP has separate clock, enable and reset signals for write and read, and is most suitable as a buffer memory between devices with different data processing throughput.




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