Products > Integrated Circuits (ICs) > Memory > IS61S6432-5TQ
  • IS61S6432-5TQ

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  • Package/Case :
  • QFP-100
  • Product Categories :
  • SRAM
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 310


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IS61S6432-5TQ Product Details


• Internal self-timed write cycle 

• Individual Byte Write Control and Global Write 

• Clock controlled, registered address, data and control 

• Pentium™ or linear burst sequence control using MODE input 

• Three chip enables for simple depth expansion and address pipelining 

• Common data inputs and data outputs 

• Power-down control by ZZ input 

• JEDEC 100-Pin TQFP and PQFP package 

• Single +3.3V power supply 

• Two Clock enables and one Clock disable to eliminate multiple bank bus contention 

• Control pins mode upon power-up: 

– MODE in interleave burst mode 

– ZZ in normal operation mode These control pins can be connected to GNDQ or VCCQ to alter their power-up state 

• Industrial temperature available


The ISSI IS61S6432 is a high-speed, low-power synchronous static RAM designed to provide a burstable, high-performance, secondary cache for the Pentium™, 680X0™, and PowerPC™ microprocessors. It is organized as 65,536 words by 32 bits, fabricated with ISSI's advanced CMOS technology. The device integrates a 2-bit burst counter, high-speed SRAM core, and high-drive capability outputs into a single monolithic circuit. All synchronous inputs pass through registers controlled by a positive-edgetriggered single clock input. 

Write cycles are internally self-timed and are initiated by the rising edge of the clock input. Write cycles can be from one to four bytes wide as controlled by the write control inputs. 

Separate byte enables allow individual bytes to be written. BW1 controls DQ1-DQ8, BW2 controls DQ9-DQ16, BW3 controls DQ17-DQ24, BW4 controls DQ25-DQ32, conditioned by BWE being LOW. A LOW on GW input would cause all bytes to be written. 

Bursts can be initiated with either ADSP (Address Status Processor) or ADSC (Address Status Cache Controller) input pins. Subsequent burst addresses can be generated internally by the IS61S6432 and controlled by the ADV (burst address advance) input pin. 

Asynchronous signals include output enable (OE), sleep mode input (ZZ), clock (CLK) and burst mode input (MODE). A HIGH input on the ZZ pin puts the SRAM in the powerdown state. When ZZ is pulled LOW (or no connect), the SRAM normally operates after three cycles of the wake-up period. A LOW input, i.e., GNDQ, on MODE pin selects LINEAR Burst. A VCCQ (or no connect) on MODE pin selects INTERLEAVED Burst.

IS61S6432-5TQ Pin Diagram
(Picture:Pinout / Diagram)

Technical Parameters

  • Manufacturer
  • ISSI
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free / RoHS Compliant
  • Package/Case
  • QFP-100

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Estimated Delivery Time: May 22 - May 27 days (choose Expedited at checkout).

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  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
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  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
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  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


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  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that IS61S6432-5TQ is the original manufacturer or agent of ISSI?
We have a professional business development department to strictly test and verify the qualifications of ISSI original manufacturers and agents. All ISSI suppliers must pass the qualification review before they can publish their IS61S6432-5TQ devices; we pay more attention to the channels and quality of IS61S6432-5TQ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of IS61S6432-5TQ chips? Including ISSI original factory information, SRAM application, IS61S6432-5TQ pictures?
You can use Jotrin's intelligent search engine, or filter by SRAM category, or find it through Integrated Silicon Solution, Inc Information page.
Q: Are the ISSI's IS61S6432-5TQ price and stock displayed on the platform accurate?
The ISSI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for IS61S6432-5TQ, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of IS61S6432-5TQ?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the IS61S64325TQ we delivered, we will accept the replacement or return of the IS61S6432-5TQ only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of IS61S6432-5TQ.
(3)The IS61S6432-5TQ is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as IS61S6432-5TQ datasheet pdf, IS61S6432 pin diagram?
Need any After-Sales service, please feel free contact us:

Integrated Silicon Solution, Inc

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