HM4864P-3

Name: HM4864P-3
Brand: Hitachi Metals
Rating: 4.5 (10 reviews)
Author: Lisleapex

DIP Plastic Dynamic RAM, Page Mode, 64K x 1, 16 Pin

7,607 Effective Inventory

HM4864P-3

Effective Inventory7,607

DIP Plastic Dynamic RAM, Page Mode, 64K x 1, 16 Pin

Manufacturer Part # : HM4864P-3
Package/Case: DIP16
Brand: Hitachi Metals
Product Categories : Memory

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray

HM4864P-3 DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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Rapid Quote

Please submit RFQ for HM4864P-3 or email to us: Email: [email protected], we will contact you in 12 hours.

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HM4864P-3 Details

The HM4864P-3 is a 64K x 1-bit dynamic random access memory (DRAM) chip manufactured by Hitachi. It operates at a speed of 120 nanoseconds and has a single 5V power supply. The chip features a multiplexed address and data bus to minimize pin count, with a total of 18 address inputs and one data input/output pin. The refresh cycle time of the HM4864P-3 is 2048 cycles/16 milliseconds, with a self-refresh capability for low power consumption. The chip is organized as 64 rows by 1024 columns, with a total of 65,536 memory cells. It has a CAS-before-RAS refresh mechanism for high-speed operation. The HM4864P-3 is designed for use in various applications such as personal computers, printers, and industrial control systems. It is housed in a 22-pin plastic dual inline package (PDIP) to facilitate easy integration into existing systems. The chip is compatible with industry-standard memory interfaces and can be easily substituted for other 64K x 1-bit DRAM chips.

Key Features

64K x 1 bit dynamic RAM
Single power supply voltage: 5V
Access time: 200ns
Low power consumption
Available in 18-pin DIP package
Provides non-volatile storage of data

Application

Personal computers
Laptops
Workstations
Printers
Servers
Networking equipment
Telecommunication systems
Industrial control systems
Medical equipment
Gaming consoles

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pbfree Code	No	Rohs Code	No
Part Life Cycle Code	Obsolete	Reach Compliance Code
ECCN Code	EAR99	JESD-609 Code	e0
Terminal Finish	TIN LEAD

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.

Preliminary Specification HM4864P-3 PDF Download

FAQs

What is HM4864P-3?

The HM4864P-3 is a 64K x 4-bit high-speed CMOS static RAM (Random Access Memory) chip manufactured by Hitachi. It is commonly used in memory applications that require fast and reliable data storage and retrieval.

How Does HM4864P-3 Work?

The HM4864P-3 functions as a static RAM chip, storing data in a volatile manner that requires continuous power to retain information. It utilizes a CMOS technology to offer high-speed access times and low power consumption, making it suitable for various memory-intensive applications.

How Many Pins does HM4864P-3 have and What are the Functions of the Pinout Configuration?

The HM4864P-3 is typically housed in a 22-pin DIP (Dual Inline Package) configuration. The pinout configuration includes:

VCC: Power supply pin.
GND: Ground pin.
Address Pins (A0-A12): Input address pins for selecting memory locations.
Data Pins (D0-D3): Input/output data pins.
Control Pins (CE, OE, WE): Chip enable, output enable, and write enable control pins.

What are the Pros and Cons of HM4864P-3?

Pros:

High Speed: Offers fast access times for quick data retrieval.
Low Power Consumption: Operates with low power requirements.
Reliable Storage: Provides non-volatile storage of data when powered.
Compatibility: Compatible with various microcontrollers and digital systems.
Cost-Effective: Provides a cost-effective solution for memory applications.

Cons:

Volatile Memory: Data is lost when power is removed, requiring continuous power supply.
Limited Capacity: Limited to 64K x 4-bit storage capacity.
Obsolete: Being an older technology, it may be challenging to source in the future.

Are There Any Equivalents/Alternatives to HM4864P-3 for Recommendation?

Alternative static RAM chips similar to the HM4864P-3 include the AS6C1008 from Alliance Memory and the CY62128EV30 from Cypress Semiconductor.
Equivalents to the HM4864P-3 include the M5M4464P from Renesas Electronics and the KM684000BLG from Samsung Electronics.