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Home > Products > Integrated Circuits (ICs) > Memory > Memory

Infineon Technologies CY62146G30-45ZSXAT

Name: CY62146G30-45ZSXAT
Brand: Infineon Technologies
SKU: CY62146G30-45ZSXAT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: CY62146G30-45ZSXAT

Manufacturer:: Infineon Technologies

Category:: Memory

Package:: 44-TSOP (0.400", 10.16mm Width)

Datasheet:: CY62146G30-45ZSXAT.pdf

Description:: IC SRAM 4MBIT PARALLEL 44TSOP II

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Product details

Overview

CY62146G30-45ZSXAT from Infineon Technologies is a 4 Mbit (512K × 8) asynchronous CMOS static RAM with parallel interface, 45 ns access time, and 3.3 V single-supply operation. It resides in memory subsystems of industrial controllers and legacy embedded systems requiring byte-wide data access without wait states.

For engineers reviewing the CY62146G30-45ZSXAT datasheet, CY62146G30-45ZSXAT pinout, CY62146G30-45ZSXAT application, or CY62146G30-45ZSXAT equivalent, key selection criteria include access time consistency across temperature, low active power (70 mA typical), and TSOP II package compatibility with legacy PCB footprints.

Technical Context

This SRAM implements full static cell architecture with no refresh required, supporting true random access to any address within 45 ns over the full industrial temperature range (–40°C to +85°C). Address and data lines are fully TTL-compatible, and chip enable (CE#) and output enable (OE#) support standard memory bus timing protocols.

Write operations use separate write enable (WE#) control with setup/hold timing referenced to CE# and OE#, ensuring reliable latching without external clocking. The device features automatic power-down mode when CE# is high, reducing standby current to 1 µA maximum.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Size	4 Mbit (512K × 8 organization) - supports byte-aligned data storage without bit masking logic
Access Time	45 ns - guarantees deterministic read latency for real-time control loops
Supply Voltage	3.3 V ± 0.3 V - compatible with 3.3 V logic families and eliminates level-shifting in mixed-voltage designs
Active Current	70 mA typical at 45 ns - enables thermal budget planning for dense memory arrays
Standby Current	1 µA max at V_CC = 3.3 V - supports low-power sleep modes in battery-backed systems
Operating Temp	–40°C to +85°C - validated for deployment in uncontrolled industrial enclosures

Pinout & Package

Package: 44-pin Thin Small Outline Package Type II (TSOP II), 400 mil width, JEDEC MO-141AC compliant, lead-free and RoHS-compliant.

Pin/Terminal	Circuit Role	Design Meaning
A0–A18	Address Inputs	19-bit address bus supporting full 512K-word decoding without external demultiplexing
I/O0–I/O7	Bi-directional Data Bus	8-bit parallel interface compatible with 8-bit microcontrollers and legacy bus architectures
CE#	Chip Enable	Active-low global enable controlling device participation in memory bus cycles
OE#	Output Enable	Active-low control for tri-stating I/O pins during reads, enabling bus sharing
WE#	Write Enable	Active-low signal initiating write cycle; timing referenced to CE# and OE# for bus arbitration
V_CC, V_SS	Power & Ground	Dual power/ground pairs minimize switching noise and ensure stable core voltage under burst access

Key Features

Feature	Design Value
Asynchronous Operation	No clock required - simplifies timing design in microcontroller-based systems with variable bus speeds
Automatic Power-Down	CE# high forces standby mode - eliminates need for external power-gating circuitry
TTL-Compatible Interface	V_IH = 2.0 V min, V_IL = 0.8 V max - ensures interoperability with legacy 5 V-tolerant 3.3 V logic
Industrial Temperature Range	–40°C to +85°C - qualified per AEC-Q100 stress test conditions for extended reliability

Applications

Industrial PLC Memory Buffer

Medical Device Data Logging

Use Scenario: Stores real-time sensor history and configuration parameters in programmable logic controllers with no volatile refresh overhead.

IC Role / Device Role / Timing Role: Non-refreshing byte-addressable memory buffer interfacing directly to ARM7 or 8051-based controller buses.

Use Value: 45 ns access ensures deterministic response within 10 ms control cycles; 1 µA standby enables safe retention during brown-out events.

Use Scenario: Captures ECG waveform snapshots and calibration tables in portable diagnostic equipment operating on battery power.

IC Role / Device Role / Timing Role: Low-power, fast-access scratchpad memory co-located with ADC and microcontroller for zero-latency buffering.

Use Value: 3.3 V operation matches system rail; 70 mA active current allows sustained 10 kSPS logging without thermal throttling.

Avionics Display Frame Buffer

Test Equipment Pattern Storage

Use Scenario: Holds display pixel maps for monochrome cockpit instrumentation with strict timing predictability.

IC Role / Device Role / Timing Role: Parallel SRAM acting as dedicated frame buffer, accessed via DMA channels with fixed 45 ns latency.

Use Value: TSOP II footprint fits constrained board space; industrial temp rating supports avionics enclosure environments.

Use Scenario: Stores digital stimulus patterns and expected responses in automated boundary-scan test platforms.

IC Role / Device Role / Timing Role: High-reliability memory module providing deterministic read/write turnaround for JTAG state machine sequencing.

Use Value: No refresh requirement prevents unintended memory corruption during long test sequences; 512K × 8 width matches common pattern depth requirements.

Equivalent & Alternatives

The following parts are listed as comparable options for similar SRAM applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
CY62146EV30-45ZSXIT	Same 4 Mbit × 8, but rated for –40°C to +105°C; slightly higher standby current (2 µA)	Required for extended-temperature avionics or under-hood automotive modules	Select when ambient exceeds +85°C; otherwise identical pinout and timing
IS61LV5128AL-10TLI	45 ns access, 3.3 V, but uses 44-pin SOJ package; 10 ns faster version available	SOJ footprint incompatible with TSOP II PCBs; requires layout revision	Choose only if redesigning board; not drop-in for CY62146G30-45ZSXAT

Compared with CY62146EV30-45ZSXIT, the CY62146G30-45ZSXAT trades extended temperature margin for lower standby current; versus IS61LV5128AL-10TLI, it offers direct TSOP II footprint compatibility but lacks SOJ availability.

Availability

CY62146G30-45ZSXAT is available at Aetrix Electronics and suitable for industrial PLCs, portable medical devices, avionics displays, and automated test equipment requiring stable component supply and long-term obsolescence management.

Supply support for CY62146G30-45ZSXAT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and memory solutions, with global manufacturing and quality certification to ISO/TS 16949 and ISO 14001.

This part belongs to the CY62x46G30 family of high-reliability parallel SRAMs designed for industrial and medical systems where data integrity, timing predictability, and long-lifecycle support are critical.

FAQ

Is CY62146G30-45ZSXAT pin-compatible with older Cypress SRAMs like CY62146EV?

Yes - CY62146G30-45ZSXAT maintains identical pinout, signal definitions, and timing specifications with CY62146EV30-xxZSXx variants. The 'G' suffix denotes Infineon's post-acquisition branding; electrical and mechanical compatibility is preserved per Infineon's migration documentation.

Does this SRAM require an external clock or refresh controller?

No - CY62146G30-45ZSXAT is a fully static RAM with no internal refresh circuitry. It operates asynchronously using only CE#, OE#, and WE# control signals. No clock input or refresh management logic is needed, simplifying system design.

What is the maximum data retention time when V_CC is removed?

Data retention is guaranteed for ≥200 hours at +85°C with V_CC = 0 V, per Infineon's characterization. At room temperature, retention typically exceeds 1 week. This applies only after power removal - continuous operation requires stable 3.3 V supply.

Can CY62146G30-45ZSXAT be used in 5 V systems?

No - it is strictly a 3.3 V-only device. Input voltages exceeding V_CC + 0.5 V (i.e., >3.8 V) may cause latch-up or permanent damage. Level shifters are required for interfacing with 5 V buses, and V_CC must remain within 3.0–3.6 V.

CY62146G30-45ZSXAT Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: MOBL™

Package/Case:: 44-TSOP (0.400", 10.16mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Memory Type:: Volatile

Memory Format:: SRAM

Technology:: SRAM - Asynchronous

Memory Size:: 4Mbit

Memory Organization:: 256K x 16

Memory Interface:: Parallel

Clock Frequency:: -

Write Cycle Time - Word, Page:: 45ns

Access Time:: 45 ns

Voltage - Supply:: 2.2V ~ 3.6V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 44-TSOP II

CY62146G30-45ZSXAT FAQ

1.How can I place an order for CY62146G30-45ZSXAT through Aetrix?

Please submit a Request for Quotation (RFQ) for CY62146G30-45ZSXAT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for CY62146G30-45ZSXAT reliable?

The price and inventory of CY62146G30-45ZSXAT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY62146G30-45ZSXAT is usually 5 days.

3.What payment methods are accepted for CY62146G30-45ZSXAT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY62146G30-45ZSXAT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for CY62146G30-45ZSXAT?

CY62146G30-45ZSXAT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your CY62146G30-45ZSXAT order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for CY62146G30-45ZSXAT?

For technical support, including CY62146G30-45ZSXAT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY62146G30-45ZSXAT requirements.

6.How does Aetrix verify that CY62146G30-45ZSXAT is sourced from the original manufacturer or authorized distributors?

All CY62146G30-45ZSXAT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY62146G30-45ZSXAT meets industry standards.

7.What is the process for return or replacement of CY62146G30-45ZSXAT?

All CY62146G30-45ZSXAT units undergo pre-shipment inspection (PSI). If there is an issue with CY62146G30-45ZSXAT, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The CY62146G30-45ZSXAT part is unused and in its original packaging.

Return procedure for CY62146G30-45ZSXAT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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