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Infineon Technologies CY7C1019D-10VXIT
- Part No.:
- CY7C1019D-10VXIT
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 32-BSOJ (0.400", 10.16mm Width)
- Datasheet:
-
CY7C1019D-10VXIT.pdf
- Description:
- IC SRAM 1MBIT PARALLEL 32SOJ
- Quantity:
- Payment:
- Shipping:
Inventory:3,712
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Product details
Overview
CY7C1019D-10VXIT from Infineon Technologies (formerly Cypress) is a 1-Mbit (128 K × 8) high-speed CMOS static RAM with 10 ns access time, 5 V ±0.5 V supply, and automatic CE-controlled power-down. It features center power/ground pinout, TTL-compatible I/O, and tri-state outputs for memory expansion in embedded controllers and industrial data acquisition systems.
For engineers reviewing the CY7C1019D-10VXIT datasheet, CY7C1019D-10VXIT pinout, CY7C1019D-10VXIT application, or CY7C1019D-10VXIT equivalent, key selection criteria include tAA = 10 ns read timing, ISB2 = 3 mA standby current, VCC = 5 V operation, and compatibility with legacy 5 V microcontrollers requiring 2.4 V VOH minimum.
Technical Context
The CY7C1019D-10VXIT implements a full CMOS SRAM architecture with 17 address lines (A0–A16), 8 bidirectional data lines (IO0–IO7), and three control inputs (CE, OE, WE) enabling byte-wide read/write operations. Its automatic power-down mode activates when CE is HIGH, reducing ICC to 3 mA under CMOS input conditions.
It supports TTL-level input thresholds (VIH ≥ 2.2 V, VIL ≤ 0.8 V) and delivers VOH ≥ 2.4 V at IOH = –4.0 mA - meeting legacy 5 V processor interface requirements but not modern CMOS VIH = 3.5 V thresholds without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| tAA | 10 ns - maximum address-to-data valid delay; enables direct interfacing with 100 MHz bus cycles. |
| ICC (active) | 80 mA @ 10 ns - peak operating current at max speed; requires stable 5 V rail with ≥400 mA margin for multi-SRAM systems. |
| ISB2 (standby) | 3 mA - CMOS-input power-down current; allows low-power retention during CPU sleep modes. |
| VDR | 2.0 V - minimum VCC for data retention; supports battery-backed hold with single-cell LiFePO₄ or coin cell. |
| VOH / VOL | 2.4 V / 0.4 V - TTL-compatible output swing; ensures reliable logic recognition by 5 V microcontrollers. |
| Capacitance | CIN = 6 pF, COUT = 8 pF - low pin capacitance minimizes signal integrity degradation on dense PCB traces. |
Pinout & Package
Package: 32-pin TSOP II (1.27 mm pitch), 11.8 × 13.6 mm body, JEDEC MO-141AC compliant. Pin 1 index corner marked with notch or dot; center VCC (Pin 16) and dual VSS (Pins 15 & 32) support low-noise power distribution.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address inputs | 17-bit address bus; selects one of 131,072 × 8-bit locations; A0 = LSB. |
| IO0–IO7 | Bidirectional data I/O | 8-bit data path; high-impedance when CE HIGH, OE HIGH, or WE LOW. |
| CE | Chip Enable (active LOW) | Primary device select; enables automatic power-down when HIGH. |
| OE | Output Enable (active LOW) | Controls output drivers only; does not affect internal power state. |
| WE | Write Enable (active LOW) | Initiates write cycle when CE and WE both LOW; latches IOx data on falling edge. |
| VCC (Pins 16, 20) | Supply voltage | 5 V ±0.5 V main power; dual pins reduce IR drop and improve decoupling effectiveness. |
| VSS (Pins 15, 32) | Ground | Signal and power return; dual pins minimize ground bounce in burst-access scenarios. |
Key Features
| Feature | Design Value |
|---|---|
| Pin- and function-compatible with CY7C1019B | Drop-in replacement for legacy designs using CY7C1019B-10VXI; no layout or firmware changes required. |
| Center power/ground pinout | Reduces simultaneous switching noise (SSN) and improves signal integrity on high-density memory buses. |
| Automatic CE power-down | Reduces active standby current from 80 mA to 3 mA without external control logic or clock gating. |
| TTL-compatible I/O levels | Eliminates need for level translators when interfacing with 8051, 68K, or Z80-based controllers. |
Applications
| Industrial PLC Data Buffer | Legacy Microcontroller Memory Expansion |
|---|---|
Use Scenario: Real-time I/O scan buffer in DIN-rail mounted programmable logic controllers operating at –40 °C to +85 °C. IC Role / Device Role / Timing Role: Non-volatile data staging RAM holding process variables between scan cycles; accessed via 8-bit parallel bus at 10 ns latency. Use Value: 10 ns tAA ensures deterministic response within 100 µs scan windows; 3 mA ISB2 extends backup battery life during mains failure. | Use Scenario: External program/data memory for 8-bit MCUs (e.g., Intel 8031, Motorola 6805) in medical diagnostic equipment. IC Role / Device Role / Timing Role: Byte-addressable SRAM mapped into upper memory space; selected via dedicated address decoder and CE. Use Value: TTL-compatible VOH/VOL eliminates level shifters; center VCC/VSS pins suppress noise in mixed-signal analog front-end environments. |
| Automotive Engine Control Unit Cache | Test Equipment Pattern Memory |
Use Scenario: Calibration parameter storage and transient variable scratchpad in ECU modules certified to AEC-Q100 Grade 2. IC Role / Device Role / Timing Role: Fast-access working memory for real-time fuel injection calculations; retained at 2.0 V during cranking voltage sag. Use Value: 2.0 V data retention threshold matches automotive battery dip profiles; 10 ns access supports 100 kHz control loop execution. | Use Scenario: High-speed stimulus/response pattern storage in automated test equipment for digital IC validation. IC Role / Device Role / Timing Role: Parallel memory bank synchronized to 100 MHz pattern generator clock; accessed via burst reads/writes. Use Value: 10 ns tRC enables 100 MHz sustained throughput; low 6 pF CIN preserves signal edge rates on 50 Ω transmission lines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar static RAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AS6C1008-10TIN | Same density (128K × 8), 10 ns access, but 3.3 V only; VIH = 2.0 V min; ISB = 1 µA. | Requires 3.3 V system; unsuitable for 5 V TTL buses without level translation. | Select only for new 3.3 V designs prioritizing ultra-low standby current. |
| IS61LV1024-10TL | 1 Mbit (128K × 8), 10 ns, 3.3 V core with 5 V tolerant I/O; VOH = 2.4 V @ 3.3 V. | Supports mixed-voltage interfaces; higher cost and larger footprint than CY7C1019D-10VXIT. | Choose when upgrading legacy 5 V systems to 3.3 V core while retaining 5 V peripheral compatibility. |
Compared with AS6C1008-10TIN and IS61LV1024-10TL, CY7C1019D-10VXIT uniquely delivers native 5 V TTL operation with 10 ns speed and 3 mA standby - making it irreplaceable in cost-sensitive, drop-in legacy upgrades where voltage translation adds BOM and layout complexity.
Availability
CY7C1019D-10VXIT is available at Aetrix Electronics and suitable for industrial PLC data buffering, legacy microcontroller memory expansion, and automotive ECU calibration storage requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY7C1019D-10VXIT 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 leader specializing in power management, automotive ICs, and memory solutions, formed through acquisition of Cypress Semiconductor in 2020.
The CY7C1019D series belongs to Infineon's legacy parallel SRAM product line, designed specifically for pin-compatible migration paths in industrial and automotive systems relying on 5 V TTL bus architectures.
FAQ
Is CY7C1019D-10VXIT compatible with 3.3 V systems?
No. CY7C1019D-10VXIT is specified only for 5 V ±0.5 V operation. Its input thresholds (VIH ≥ 2.2 V) and output drive (VOH ≥ 2.4 V) are optimized for 5 V TTL logic. Applying 3.3 V to VCC violates Absolute Maximum Ratings and will cause functional failure or accelerated wear-out.
Does CY7C1019D-10VXIT support battery backup for data retention?
Yes. At VCC = 2.0 V, the device retains stored data with ICCDR ≤ 3 mA. This allows direct connection to a lithium coin cell or supercapacitor during main power loss, provided CE remains HIGH and address/data lines are held static per data retention waveform requirements.
What is the meaning of "center power/ground pinout" in CY7C1019D-10VXIT?
It refers to physical placement of VCC (Pin 16) and VSS (Pins 15 & 32) near the center of the 32-pin TSOP II package. This layout minimizes current loop area, reduces simultaneous switching noise, and improves power delivery stability - especially critical in multi-SRAM parallel configurations with fast 10 ns transitions.
Can CY7C1019D-10VXIT be used with modern 3.3 V microcontrollers?
Only with level-shifting circuitry. Its outputs meet 3.3 V VIH minimums (2.4 V VOH > 2.0 V), but its inputs require ≥2.2 V VIH - marginal for some 3.3 V MCUs. For reliable operation, use discrete MOSFET translators or dedicated level-shifters like TXS0108E on all address, control, and data lines.
CY7C1019D-10VXIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 32-BSOJ (0.400", 10.16mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 10ns
- Access Time:
- 10 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-SOJ
CY7C1019D-10VXIT FAQ
1.How can I place an order for CY7C1019D-10VXIT through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C1019D-10VXIT 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 CY7C1019D-10VXIT reliable?
The price and inventory of CY7C1019D-10VXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C1019D-10VXIT is usually 5 days.
3.What payment methods are accepted for CY7C1019D-10VXIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C1019D-10VXIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C1019D-10VXIT?
CY7C1019D-10VXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C1019D-10VXIT 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 CY7C1019D-10VXIT?
For technical support, including CY7C1019D-10VXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C1019D-10VXIT requirements.
6.How does Aetrix verify that CY7C1019D-10VXIT is sourced from the original manufacturer or authorized distributors?
All CY7C1019D-10VXIT 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 CY7C1019D-10VXIT meets industry standards.
7.What is the process for return or replacement of CY7C1019D-10VXIT?
All CY7C1019D-10VXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY7C1019D-10VXIT, 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 CY7C1019D-10VXIT part is unused and in its original packaging.
Return procedure for CY7C1019D-10VXIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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