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HYB514256BJ-70 Datasheet (PDF) - Siemens Semiconductor Group

HYB514256BJ-70 Datasheet PDF - Siemens Semiconductor Group
Part # HYB514256BJ-70
Download  HYB514256BJ-70 Download

File Size   215.36 Kbytes
Page   22 Pages
Manufacturer  SIEMENS [Siemens Semiconductor Group]
Direct Link  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group
Description 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM

HYB514256BJ-70 Datasheet (PDF)

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HYB514256BJ-70 Datasheet PDF - Siemens Semiconductor Group

Part # HYB514256BJ-70
Download  HYB514256BJ-70 Click to download

File Size   215.36 Kbytes
Page   22 Pages
Manufacturer  SIEMENS [Siemens Semiconductor Group]
Direct Link  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group
Description 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM

HYB514256BJ-70 Datasheet (HTML) - Siemens Semiconductor Group

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HYB514256BJ-70 Product details

The HYB 514256B/BJ/BL/BJL is the new generation dynamic RAM organized as 262 144 words by 4-bit. The HYB 514256B/BJ/BL/BJL utilizes CMOS silicon gate process technology as well as advanced circuit techniques to provide wide operating margins, both internally and for the system user. Multiplexed address inputs permit the HYB 514256B/BJ/BL/BJL to be packaged in a standard plastic P-DIP-20-2,or plastic P-SOJ-26/20-1. This package size provides high system bit densities and is compatible with commonly used automatic testing and insertion equipment. System oriented features include single + 5 V (± 10 %) power supply, direct interfacing with high-performance logic device families such as Schottky TTL. These HYB 514256BL/BJL are specially selected for battery backup applications.



Advanced Information

• 262 144 words by 4-bit organization

• Fast access and cycle time

   50 ns access time

   95 ns cycle time (-50 version)

   60 ns access time

   110 ns cycle time (-60 version)

   70 ns access time

   130 ns cycle time (-70 version)

• Fast page mode cycle time

   35 ns (-50 version)

   40 ns (-60 version)

   45 ns (-70 version)

• Low power dissipation

   max. 495 mW active (-50 version)

   max. 440 mW active (-60 version)

   max. 385 mW active (-70 version)

   max. 5.5 mW standby

   max. 1.1 mW standby for L-version

• Single + 5 V (± 10 %) supply with a built-in VBB generator

• Output unlatched at cycle end allows two dimensional chip selection

• Read-modify-write, CAS-before-RAS refresh, RAS-only refresh, hidden-refresh and fast page mode capability

• All inputs, outputs and clocks

   TTL-compatible

• 512 refresh cycles/8 ms

   512 refresh cycles/64 ms for L-version only

• Plastic Packages: P-DIP-20-2, P-SOJ-26/20-1



 




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