AS7C256A-20TCN

AS7C256A-20TCN

$1.98
  • Description:IC SRAM 256KBIT PAR 28TSOP I
  • Series:-
  • Mfr:Alliance Memory, Inc.
  • Package:Tray

SKU:41702ae1c6a0 Category: Brand:

  
  • Quantity
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Product Detailed Parameters

  • Description:IC SRAM 256KBIT PAR 28TSOP I
  • Series:-
  • Mfr:Alliance Memory, Inc.
  • Package:Tray
  • Memory Type:Volatile
  • Memory Format:SRAM
  • Technology:SRAM - Asynchronous
  • Memory Size:256Kbit
  • Memory Organization:32K x 8
  • Memory Interface:Parallel
  • Clock Frequency:-
  • Write Cycle Time - Word, Page:20ns
  • Voltage - Supply:4.5V ~ 5.5V
  • Operating Temperature:0°C ~ 70°C (TA)
  • Mounting Type:Surface Mount
  • Package / Case:28-TSSOP (0.465", 11.80mm Width)
  • Supplier Device Package:28-TSOP I
  • Access Time:20 ns
  • Grade:-
  • Qualification:-

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AS7C256A-20TCN

Buying Guide
Summary

Alliance Memory, Inc. AS7C256A-20TCN is used in Memory IC category where interface timing, endurance expectations, and power behavior affect reliability. Key specs include Description (IC SRAM 256KBIT PAR 28TSOP I), Temperature (0°C ~ 70°C (TA)), Package/case (28-TSSOP (0.465", 11.80mm Width)), Mounting (Surface Mount), and Packaging (Tray).

Selection Notes
  • For AS7C256A-20TCN, verify the memory type (Volatile) matches your storage architecture and performance needs.
  • Validate the operating temperature range (0°C ~ 70°C (TA)) for your environment and margin.
  • Check Technology (SRAM - Asynchronous) against the datasheet conditions and your system-level constraints.
  • Ensure the package/case (28-TSSOP (0.465", 11.80mm Width)) and land pattern match your PCB layout before procurement.
Alternates & Substitutions
  • For Memory IC, compare the datasheet test conditions behind key specs and re-check the margins that were tightest during bring-up.
  • When evaluating alternates, treat package/case 28-TSSOP (0.465", 11.80mm Width), supplier package 28-TSOP I, mounting Surface Mount as non-negotiable unless you are re-spinning the PCB.
  • Check that supply 4.5V ~ 5.5V, temperature 0°C ~ 70°C (TA) matches your system, then validate at corners instead of relying on typical values.
  • For MCU/memory substitutions, match memory 256Kbit and verify pin-mux, timing margins, and power sequencing.
FAQ

Who is the manufacturer of AS7C256A-20TCN?
Alliance Memory, Inc.

Any tips for reliable operation with AS7C256A-20TCN?
Ensure robust power sequencing, adequate decoupling capacitors, and verify signal integrity on high-speed data buses.

What Access Time is listed for AS7C256A-20TCN?
20 ns

Which Memory Interface is listed for AS7C256A-20TCN?
Parallel

Application Scenarios

For Alliance Memory, Inc. AS7C256A-20TCN in the Memory IC category, teams usually prioritize documentation clarity and repeatable behavior in production. They store code and data, buffer throughput, and retain critical information across resets or power events. Engineers often balance latency, endurance, retention, interface speed, and data integrity features such as ECC or wear management. In IoT gateways, reliable storage supports OTA rollback and stable boot flows during brownouts. Across industrial controllers, memory stores calibration and event logs so field issues can be diagnosed after power interruptions and network outages. In networking pipelines, buffering helps smooth bursty traffic and prevent packet loss during contention periods. The payoff is a design that is easier to qualify, easier to service, and more stable across environments.

Compatibility Advice
  • Before committing to volume builds, validate timing margins and signal integrity on the real routing so the interface works across corners, not only at room temperature. This avoids one-off tuning in production.
Project Fit
  • Ideal when you can bench-verify Alliance Memory, Inc. AS7C256A-20TCN for Memory IC integration under realistic load and noise, especially if you can validate timing and SI margins on real routing so the interface works across corners.
AS7C256A-20TCNAS7C256A-20TCN
$1.98
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