HM62256BLP-7
Features: Standard memory module with 32Kx8 configuration, fast access time of 70nsHM62256BLP-7
Features: Standard memory module with 32Kx8 configuration, fast access time of 70ns
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Manufacturer Part # : HM62256BLP-7
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Package/Case: DIP-28
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Brand: Hitachi Metals
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Product Categories : Memory
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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HM62256BLP-7 DataSheet

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Interested Parts
HM62256BLP-7 Description
The HM62256BLP-7 is a 32K x 8-bit CMOS static RAM from Hitachi Ltd, designed for secure data storage and long-lasting reliability. This device offers low-power consumption of 65mA max with a wide operating voltage range of 4.5V to 5.5V, making it ideal for efficient power usage in various applications.
Features
- 32K x 8-bit CMOS Static RAM: Offers high-capacity data storage and reliable performance.
- Low-Power Consumption: Consumes only 65mA max, ideal for battery-powered devices or systems where power efficiency is crucial.
- Wide Operating Voltage Range: Operates efficiently between 4.5V to 5.5V, allowing for flexibility in system design.
- Data Retention without Refresh: Ensures data stability and reliability without the need for refresh operations.
Applications
The HM62256BLP-7 is designed for various data storage applications, including secure data storage and long-lasting reliability, ideal for environments with high noise or temperature variations.
Where to Use:
- Data storage solutions requiring low power consumption and high reliability
- Secure data storage systems
- Industrial applications where data retention is critical
- Safety-critical systems where data integrity is paramount
Manufacturer
The HM62256BLP-7 is manufactured by Hitachi Ltd, a well-established leader in the semiconductor industry with a focus on delivering high-quality and reliable products.
Packages
The HM62256BLP-7 comes in a 28-pin PDIP package, making it suitable for traditional through-hole mounting designs.
Equivalent Parts of HM62256BLP-7
- Synchronous DRAM (SDRAM): A comparable high-capacity memory technology with similar features and performance.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Obsolete |
Part Package Code | DIP | Pin Count ! | 28 |
ECCN Code | EAR99 | HTS Code ! | 8542.32.00.41 |
Access Time-Max | 70 ns | I/O Type | COMMON |
JESD-30 Code | R-PDIP-T28 | JESD-609 Code | e0 |
Length | 35.6 mm | Memory Density | 262144 bit |
Memory IC Type | STANDARD SRAM | Memory Width | 8 |
Number of Functions | 1 | Number of Terminals | 28 |
Number of Words | 32768 words | Number of Words Code | 32000 |
Operating Mode ! | ASYNCHRONOUS | Operating Temperature-Max | 70 °C |
Organization | 32KX8 | Output Characteristics | 3-STATE |
Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
Package Equivalence Code | DIP28,.6 | Package Shape | RECTANGULAR |
Package Style | IN-LINE | Parallel/Serial | PARALLEL |
Power Supplies ! | 5 V | Qualification Status ! | Not Qualified |
Seated Height-Max | 5.7 mm | Standby Current-Max | 0.00003 A |
Standby Voltage-Min | 2 V | Supply Current-Max | 0.06 mA |
Supply Voltage-Max (Vsup) | 5.5 V | Supply Voltage-Min (Vsup) | 4.5 V |
Supply Voltage-Nom (Vsup) | 5 V | Surface Mount ! | NO |
Technology | CMOS | Temperature Grade ! | COMMERCIAL |
Terminal Finish | TIN LEAD | Terminal Form ! | THROUGH-HOLE |
Terminal Pitch ! | 2.54 mm | Terminal Position | DUAL |
Width | 15.24 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is HM62256BLP-7?
The HM62256BLP-7 is a 32K x 8-bit high-speed CMOS static RAM (SRAM) chip designed by Hitachi. It is commonly used in various electronic devices such as microcontrollers, digital cameras, and communication equipment.
How Does HM62256BLP-7 Work?
The HM62256BLP-7 operates as a high-speed SRAM chip, providing fast access to stored data. It utilizes CMOS technology to offer low power consumption and high-speed operation, making it suitable for applications requiring rapid read and write operations.
How Many Pins does HM62256BLP-7 have and What are the Functions of the Pinout Configuration?
The HM62256BLP-7 is housed in a 28-pin DIP (Dual In-line Package) package. The pinout configuration includes:
- Vcc: Power supply pin for the chip.
- GND: Ground pin for the chip.
- CE1, CE2: Chip enable pins for controlling chip operations.
- OE: Output enable pin for enabling data output.
- WE: Write enable pin for controlling write operations.
- A0-A14: Address input pins for selecting memory locations.
- I/O0-I/O7: Data input/output pins for bidirectional data transfer.
What are the Pros and Cons of HM62256BLP-7?
Pros:
- High Speed: Offers high-speed access to stored data, suitable for demanding applications.
- Low Power Consumption: Operates with low power consumption, making it suitable for battery-operated devices.
- High Capacity: Provides a large storage capacity of 32K x 8 bits for data storage.
- Wide Operating Voltage Range: Can operate within a wide voltage range for flexibility in different systems.
Cons:
- Obsolete: The HM62256BLP-7 may be considered obsolete, with potentially limited availability and support.
- Large Package Size: The 28-pin DIP package may be larger compared to modern package options, which can impact board space.
- Interface Complexity: Requires careful attention to address lines and control signals for proper operation.
Are There Any Equivalents/Alternatives to HM62256BLP-7 for Recommendation?
Some alternatives to the HM62256BLP-7 include the AS6C1008 from Alliance Memory and the CY62256 from Cypress Semiconductor.
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