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HB56U464EJ-7B

Features: • 168-pin socket type package (Dual lead out) -Lead pitc h: 1.27 mm• Single 5 V (±5%) supply• High speed -Access time: tRAC = 60/70 ns (max) -Access time: tCAC = 20/23 ns (max)• Low power dissipation -Active mode: 7.06/6.22 W (max) -Standby mode (TTL): 504 mW (max...

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SeekIC No. : 004358983 Detail

HB56U464EJ-7B: Features: • 168-pin socket type package (Dual lead out) -Lead pitc h: 1.27 mm• Single 5 V (±5%) supply• High speed -Access time: tRAC = 60/70 ns (max) -Access time: tCAC = 20/23 ns...

HB56U464EJ-7B Data Sheet

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Part Number:
HB56U464EJ-7B
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: 2024/11/23

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Product Details

Description



Features:

• 168-pin socket type package (Dual lead out)
   - Lead pitc h: 1.27 mm
• Single 5 V (±5%) supply
• High speed
   - Access time: tRAC = 60/70 ns (max)
   - Access time: tCAC = 20/23 ns (max)
• Low power dissipation
   - Active mode: 7.06/6.22 W (max)
   - Standby mode (TTL): 504 mW (max)
   - Standby mode (CMOS): 420 mW (max)
• Buffered input except RAS and DQ
• 4 byte interleave enabled, duel address input (A0/B0)
• EDO page mode capability
• 4,096 refresh cycles: 64 ms
• 2 variations of refresh
   - RAS -only refresh
   - CAS -before-RAS refresh
• TTL compatible


Specifications

Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply voltage
VSS
0
0
0
V
VCC
4.75
5.0
5.25
V
1
Input high voltage
VIH
2.4
-
5.5
V
1
Input low voltage
VIL
0.5
-
0.8
V
1
Note: 1. All voltage referenced to VSS.


Description

The HB56U464EJ belongs to 8 Byte DIMM (Dual In-line Memory Module) family, and has been developed as an optimized main memory solution for 4 and 8 Byte processor applications.

The HB56U464EJ is a 4M × 64 dynamic RAM module, mounted 16 pieces of 16-Mbit DRAM (HM5116405BS) sealed in SOJ package, 1 piece of 16-bit BiCMOS line driver (74ABT16244) sealed in TSSOP package and 1 piece of 20-bit BiCMOS line driver (74ABT16827) sealed in TSSOP package.

The HB56U464EJ offers Extended Data Out (EDO) Page Mode as a high speed access mode. An outline of the HB56U464EJ is 168-pin socket type package (dual lead out). Therefore, it makes high density mounting possible without surface mount technology. The HB56U464EJ provides common data inputs and outputs. Decoupling capacitors are mounted beneath each SOJ on the module board.




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