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HM51S4270C

Features: • Single 5 V (±10%)• High speed - Access time: 70 ns/80 ns (max)• Low power dissipation - Active mode: 770 mW/688 mW (max) - Standby mode: 11 mW (max) 1.1 mW (max) (L-version)• Fast page mode capability• 512 refresh cycles: 8 ms 128 ms (L-version)• 2 W...

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SeekIC No. : 004363388 Detail

HM51S4270C: Features: • Single 5 V (±10%)• High speed - Access time: 70 ns/80 ns (max)• Low power dissipation - Active mode: 770 mW/688 mW (max) - Standby mode: 11 mW (max) 1.1 mW (max) (L-ver...

HM51S4270C Data Sheet

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Part Number:
HM51S4270C
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: 2024/11/21

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Product Details

Description



Features:

• Single 5 V (±10%)
• High speed
   - Access time: 70 ns/80 ns (max)
• Low power dissipation
   - Active mode:
   770 mW/688 mW (max)
   - Standby mode: 11 mW (max)
   1.1 mW (max) (L-version)
• Fast page mode capability
• 512 refresh cycles: 8 ms
   128 ms (L-version)
• 2 WE -byte control
• 2 variations of refresh
   - R RAS -only refresh
   - CAS -before- RAS refresh
• Battery backup operation (L-version)
• Self refresh operation (HM51S4270C)


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Value
Unit
Voltage on any pin relative to VSS
VT
1.0 to + 7.0
V
Supply voltage relative to VSS
VCC
1.0 to + 7.0
V
Short circuit output current
Iout
50
mA
Power dissipation
PT
1.0
W
Operating temperature
Topr
0 to +70
°C
Storage temperature
Tstg
55 to +125
°C



Description

The Hitachi HM51(S)4270C are CMOS dynamic RAM organized as 262,144-word ×16-bit.HM51(S)4270C have realized higher density, higher performance and various functions by employing 0.8 mm CMOS process technology and some new CMOS circuit design technologies. The HM51(S)4270C offer fast page mode as a high speed access mode. Multiplexed address input permits the HM51(S)4270C to be packaged in standard 400-mil 40-pin plastic SOJ and standard 400-mil 44-pin plastic TSOPII. Internal refresh timer enables HM51S4270C self refresh operation.




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