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HM624256A

Features: · Single 5 V supply and high density 28-pin package (DIP and SOJ)· High speed Access time: 20/25/35 ns (max)· Low power dissipation Active mode: 350 mW (typ) Standby mode: 100 mW (typ)· Completely static memory No clock or timing strobe required· Equal access and cycle time· Directly TTL...

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SeekIC No. : 004363499 Detail

HM624256A: Features: · Single 5 V supply and high density 28-pin package (DIP and SOJ)· High speed Access time: 20/25/35 ns (max)· Low power dissipation Active mode: 350 mW (typ) Standby mode: 100 mW (typ)· Co...

HM624256A Data Sheet

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Part Number:
HM624256A
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: 2024/4/28

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Product Details

Description



Features:

·  Single 5 V supply and high density 28-pin package (DIP and SOJ)
·  High speed
     Access time: 20/25/35 ns (max)
·  Low power dissipation
     Active mode: 350 mW (typ)
     Standby mode: 100 mW (typ)
·  Completely static memory
     No clock or timing strobe required
·  Equal access and cycle time
·  Directly TTL compatible
     All inputs and outputs


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Value
Unit
Voltage on any pin relative to VSS
VCC
0.5*1 to +7.0
V
Power dissipation
PT
1.0
W
Operating temperature
Topr
0 to +70
°C
Storage temperature
Tstg
55 to +125
°C
Storage temperature range under bias
Tbias
10 to +85
°C
Note: 1. Vin min = 2.0 V for pulse width 10 ns


Description

The Hitachi HM624256A is a high speed 1M Static RAM organized as 262,144-word ×4-bit. It realizes high speed access time (20/25/35 ns) and low power consumption, employing CMOS process technology and high speed circuit designing technology. It is most advantageous for the field where high speed and high density memory is required, such as the cache memory for main frame or 32-bit MPU. The HM624256A, packaged in a 400-mil plastic SOJ is available for high density mounting.




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