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HM51S4270D

Features: ` Single 5 V supply: 5 V ± 10%` Access time: 60 ns/70 ns/80 ns (max)` Low power dissipation - Active mode: 825 mW/660 mW/578 mW (max) (HM51(S)4170D Series) 825 mW/770 mW/688 mW (max) (HM51(S)4270D Series) - Standby mode: 11 mW (max) 1.1 mW (max) (L-version)` Fast page mode capability` Re...

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SeekIC No. : 004363389 Detail

HM51S4270D: Features: ` Single 5 V supply: 5 V ± 10%` Access time: 60 ns/70 ns/80 ns (max)` Low power dissipation - Active mode: 825 mW/660 mW/578 mW (max) (HM51(S)4170D Series) 825 mW/770 mW/688 mW (max) (HM51...

HM51S4270D Data Sheet

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Part Number:
HM51S4270D
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

`  Single 5 V supply: 5 V ± 10%
`  Access time: 60 ns/70 ns/80 ns (max)
`  Low power dissipation
     - Active mode: 825 mW/660 mW/578 mW (max) (HM51(S)4170D Series)
     825 mW/770 mW/688 mW (max) (HM51(S)4270D Series)
     - Standby mode: 11 mW (max)
     1.1 mW (max) (L-version)
`  Fast page mode capability
`  Refresh cycles
     - 1024 refresh cycles: 16 ms (HM51(S)4170D Series)
     128 ms (L-version) (HM51(S)4170DL Series)
     - 512 refresh cycles: 8 ms (HM51(S)4270D Series)
     128 ms (L-version) (HM51(S)4270DL Series)
`  2 variations of refresh
     - RAS -only refresh
     - CAS -before- RAS refresh


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)4170D, HM51(S)4270D Series are CMOS dynamic RAM organized as 262,144-word × 16-bit. HM51(S)4170D, HM51(S)4270D Series 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)4170D, HM51(S)4270D Series offer fast page mode as a high speed access mode. They have the package variations of standard 400-mil 40-pin plastic SOJ and standard 400-mil 44-pin plastic TSOPII. Internal refresh timer enables HM51S4170D, HM51S4270D Series self refresh operation.




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