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TMS4257-12NL The Texas Instruments TMS4257-12NL is a Page Mode DRAM with a memory density of 262144 bits and an access time of 120 ns. It operates at a nominal supply voltage of 5V.
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TMS4257-12NL

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TMS4257-12NL is a Page Mode DRAM with a memory density of 262144 bits and an access time of 120 ns. It operates at a nominal supply voltage of 5V.
✓ Total Stock: 100 pcs
$ Price Range: $1.94

TMS4257-12NL Available from 1 distributor

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TMS4257-12NL Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
Length
Mounting Type
Operating Mode
Operating Temperature
Technology
Width
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TMS4257-12NL Description

Short technical summary and product information.

The Texas Instruments TMS4257-12NL is a semiconductor component belonging to the DRAM category, specifically designed as a Page Mode DRAM. It offers a memory density of 262,144 bits and a memory width of 1 bit, organized as 256k words by 1 bit.

 

This component features an asynchronous operating mode and a maximum access time of 120 ns. It operates within a supply voltage range of 4.5V to 5.5V, with a nominal voltage of 5V. The technology used is NMOS, and it supports 256 refresh cycles.

 

The TMS4257-12NL is housed in a 16-pin DIP package suitable for through-hole mounting. The package is ceramic and metal-sealed, with a terminal pitch of 2.54 mm. Its dimensions include a seated height of 5.08 mm, a width of 7.62 mm, and a length of 19.305 mm. The terminal finish is Tin Lead, and the terminal position is dual.

TMS4257-12NL Quick Information

Product Type: DRAM
Canonical Name: TMS4257-12NL Page Mode DRAM
Subcategory: Special Purpose

TMS4257-12NL Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TMS4257-12NL Estimated Pricing

Qty Low High
1+ $1.94 $1.94

Estimated market price range - modelled values for guidance only, not live distributor offers.

TMS4257-12NL Features

  • Page Mode DRAM technology.
  • 262144 bit memory density.
  • 120 ns maximum access time.
  • 5V nominal supply voltage.
  • Through-hole 16-pin DIP package.

TMS4257-12NL Applications

  • Suitable for high-density DRAM memory modules.
  • Used in embedded systems requiring asynchronous memory.
  • Ideal for applications with 70°C operating temperature.
  • Suitable for through-hole DIP memory chip designs.

TMS4257-12NL FAQs

5 frequently asked questions generated from this part’s specifications.
What is the memory density of the TMS4257-12NL?

The memory density is 262144 bits.

What is the maximum access time for the TMS4257-12NL?

The maximum access time is 120 ns.

What is the operating supply voltage for this DRAM?

The nominal supply voltage is 5V, with a maximum of 5.5V and a minimum of 4.5V.

What type of package does the TMS4257-12NL come in?

It comes in a 16-pin DIP package for through-hole mounting.

What is the operating temperature range?

The maximum operating temperature is 70 °C.

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