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MSM5416272

Features: • Single power supply: 5 V ±10%• Full TTL compatibility• Multiport organization RAM : 256K word ×16 bits SAM : 512 word × 16 bits• Fast page mode•Write per bit• Byte read/write• Masked flash write• Masked block write (8 columns)•RAS o...

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SeekIC No. : 004428870 Detail

MSM5416272: Features: • Single power supply: 5 V ±10%• Full TTL compatibility• Multiport organization RAM : 256K word ×16 bits SAM : 512 word × 16 bits• Fast page mode•Write per bi...

MSM5416272 Data Sheet

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Part Number:
MSM5416272
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: 5 V ±10%
• Full TTL compatibility
• Multiport organization
   RAM : 256K word ×16 bits
   SAM : 512 word × 16 bits
• Fast page mode
•Write per bit
• Byte read/write
• Masked flash write
• Masked block write (8 columns)
• RAS only refresh
• CAS before RAS refresh
• Hidden refresh
• Serial read/write
• 512 tap location
• Bidirectional data transfer
• Split transfer
• Masked write transfer
• Refresh: 512 cycles/8 ms
• Package:
  64-pin 525 mil plastic SSOP  (SSOP64-P-525-0.80-K)  (Product : MSM5416272-xxGS-K)
   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 MSM5416272 is a 4-Mbit CMOS multiport DRAM composed of a 262,144-word by 16-bit dynamic RAM, and a 512-word by 16-bit SAM. Its RAM and SAM operate independently and asynchronously.

MSM5416272 supports three types of operations: random access to RAM port, high speed serial access to SAM port, and bidirectional transfer of data between any selected row in the RAM port and the SAM port. In addition to the conventional multiport DRAM operating modes, the MSM5416272 features block write and flash write functions on the RAM port, and a split data transfer capability on the SAM port. The SAM port requires no refresh operation because it uses static CMOS flip-flops.




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