M27C512-90B1
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STMicroelectronics M27C512-90B1

Manufacturer No:
M27C512-90B1
Manufacturer:
STMicroelectronics
Package:
Tube
Description:
IC EPROM 512KBIT PARALLEL 28DIP
Delivery:
Payment:
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Product Introduction

Overview

The M27C512-90B1 is a 512 Kbit EPROM (Erasable Programmable Read-Only Memory) produced by STMicroelectronics. It is available in both UV (ultra violet erase) and OTP (one time programmable) versions. This device is organized as 64K x 8 bits, making it suitable for applications requiring fast turn-around and pattern experimentation. The M27C512-90B1 is offered in various packages, including FDIP28W, PDIP28, and PLCC32, with the FDIP28W package featuring a transparent lid for UV erasure. The device is also available in ECOPACK® lead-free packages to meet environmental requirements.

Key Specifications

Parameter Value Unit
Memory Size 512 Kbit (64K x 8) -
Supply Voltage 5V ± 10% V
Access Time 90 ns ns
Active Current 30 mA mA
Standby Current 100 µA µA
Programming Voltage 12.75 V ± 0.25 V V
Programming Time Around 6 s s
Package PDIP28 -
Operating Temperature -40°C to 85°C °C
Lead Free Status / RoHS Status Lead free / RoHS Compliant -

Key Features

  • Low power CMOS consumption with active current of 30 mA and standby current of 100 µA.
  • Fast access times ranging from 45 ns to 150 ns depending on the specific model.
  • Programming voltage of 12.75 V ± 0.25 V and programming time around 6 seconds.
  • Electronic Signature with manufacturer code 20h and device code 3Dh.
  • Available in ECOPACK® lead-free packages to meet environmental requirements.
  • Transparent lid in FDIP28W package for UV erasure.

Applications

The M27C512-90B1 is ideally suited for applications where fast turn-around and pattern experimentation are critical. These include:

  • Development and testing of firmware and software.
  • Prototyping and proof-of-concept projects.
  • Embedded systems requiring non-volatile memory.
  • Industrial control systems and automation.
  • Consumer electronics and appliances.

Q & A

  1. What is the memory size of the M27C512-90B1?

    The memory size is 512 Kbit, organized as 64K x 8 bits.

  2. What are the available package types for the M27C512-90B1?

    The device is available in FDIP28W, PDIP28, and PLCC32 packages.

  3. What is the access time for the M27C512-90B1?

    The access time for this specific model is 90 ns.

  4. How is the M27C512-90B1 programmed?

    The device is programmed using a programming voltage of 12.75 V ± 0.25 V and takes around 6 seconds to program.

  5. Is the M27C512-90B1 lead-free and RoHS compliant?
  6. What is the operating temperature range for the M27C512-90B1?

    The operating temperature range is -40°C to 85°C.

  7. How does the UV erasure work for the FDIP28W package?

    The FDIP28W package has a transparent lid that allows the user to expose the chip to ultraviolet light to erase the bit pattern.

  8. What are the standby and active current consumption values?

    The standby current is 100 µA, and the active current is 30 mA.

  9. What is the electronic signature of the M27C512-90B1?

    The electronic signature includes a manufacturer code of 20h and a device code of 3Dh.

  10. What types of applications is the M27C512-90B1 suited for?

    The device is suited for applications requiring fast turn-around and pattern experimentation, such as development, prototyping, embedded systems, industrial control, and consumer electronics.

Product Attributes

Memory Type:Non-Volatile
Memory Format:EPROM
Technology:EPROM - OTP
Memory Size:512Kb (64K x 8)
Memory Interface:Parallel
Clock Frequency:- 
Write Cycle Time - Word, Page:- 
Access Time:90 ns
Voltage - Supply:4.5V ~ 5.5V
Operating Temperature:0°C ~ 70°C (TA)
Mounting Type:Through Hole
Package / Case:28-DIP (0.600", 15.24mm)
Supplier Device Package:28-PDIP
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Similar Products

Part Number M27C512-90B1 M27C512-90F1 M27C512-90B6
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Obsolete Obsolete Obsolete
Memory Type Non-Volatile Non-Volatile Non-Volatile
Memory Format EPROM EPROM EPROM
Technology EPROM - OTP EPROM - UV EPROM - OTP
Memory Size 512Kb (64K x 8) 512Kb (64K x 8) 512Kb (64K x 8)
Memory Interface Parallel Parallel Parallel
Clock Frequency - - -
Write Cycle Time - Word, Page - - -
Access Time 90 ns 90 ns 90 ns
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) -40°C ~ 85°C (TA)
Mounting Type Through Hole Through Hole Through Hole
Package / Case 28-DIP (0.600", 15.24mm) 28-CDIP (0.600", 15.24mm) Window 28-DIP (0.600", 15.24mm)
Supplier Device Package 28-PDIP 28-CDIP Frit Seal with Window 28-PDIP

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