My Inquiry
My Account
Infineon Technologies CY62137VLL-70ZXET
- Part No.:
- CY62137VLL-70ZXET
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 44-TSOP (0.400", 10.16mm Width)
- Datasheet:
-
CY62137VLL-70ZXET.pdf
- Description:
- IC SRAM 2MBIT PARALLEL 44TSOP II
- Quantity:
- Payment:
- Shipping:
Inventory:2,148
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY62137VLL-70ZXET from Cypress Semiconductor is a 2-Mbit (128K × 16) CMOS static RAM with 55 ns/70 ns access time, operating across 2.7–3.6 V and supporting industrial (–40°C to +85°C) and automotive (–40°C to +125°C) temperature ranges. It features byte-level write control via BHE/BLE, automatic CE-driven power-down reducing standby current to 1 µA, and TTL-compatible I/O for seamless integration in portable memory subsystems.
For engineers reviewing the CY62137VLL-70ZXET datasheet, CY62137VLL-70ZXET pinout, CY62137VLL-70ZXET application, or CY62137VLL-70ZXET equivalent, key selection criteria include its 70 ns read cycle time, ultra-low 1 µA ISB2 standby current at 3.6 V, dual-byte enable architecture, and TSOP II (44-pin) package compatibility with space-constrained embedded designs.
Technical Context
The CY62137VLL-70ZXET implements a full CMOS SRAM core with independent high- and low-byte enables (BHE/BLE), enabling selective 8-bit writes without masking logic. Its power-down circuitry activates automatically when CE is HIGH or when CE is LOW with both BHE and BLE HIGH, cutting ICC to ≤1 µA.
Read operations require CE and OE LOW with WE HIGH; write operations require CE and WE LOW, with data direction controlled by BHE/BLE states. All I/O pins enter high-impedance state during deselect (CE HIGH), output disable (OE HIGH), or active write - eliminating bus contention in multi-device systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 2 Mbit (128K words × 16 bits); supports 16-bit parallel data bus interface |
| Access Time | 70 ns max (tRC); guarantees timing margin for 14 MHz bus operation |
| VCC Range | 2.7 V to 3.6 V; compatible with 3.3 V LVTTL and mixed-voltage system rails |
| Standby Current | 1 µA typ. (ISB2, industrial grade); enables >1-year battery life in always-on backup mode |
| Operating Temp | –40°C to +85°C (industrial); validated for extended thermal cycling in handheld and telematics units |
| Package | 44-pin TSOP Type II (10.16 mm × 18.42 mm); surface-mount compatible with standard reflow profiles |
| Data Retention | 1.0 V minimum VDR; retains data down to single-cell Li-ion voltage under brownout conditions |
Pinout & Package
44-pin Thin Small Outline Package (TSOP Type II, forward pinout), JEDEC MO-143AC compliant, 0.8 mm pitch, body height 1.2 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address Input | 17-bit address bus; selects one of 128K memory locations |
| I/O0–I/O7 | Data I/O (Low Byte) | Bi-directional 8-bit data path enabled when BLE = LOW |
| I/O8–I/O15 | Data I/O (High Byte) | Bi-directional 8-bit data path enabled when BHE = LOW |
| CE | Chip Enable | Active-LOW chip select; disables all outputs and triggers auto power-down when HIGH |
| OE | Output Enable | Active-LOW control for output drivers; places I/O pins in high-Z when HIGH |
| WE | Write Enable | Active-LOW signal initiating write cycle; latches data on falling edge |
| BHE / BLE | Byte High/Low Enable | Independent 8-bit write gating; allows partial-word updates without external logic |
| VCC / VSS | Power / Ground | Dual VCC (pins 11, 33) and dual VSS (pins 12, 34) reduce IR drop and improve noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| MoBL® Ultra-Low Power | 1 µA typical standby current (ISB2) at 3.6 V - extends battery runtime in portable devices |
| Byte-Selectable Write | Independent BHE/BLE controls enable 8-bit writes to either half of 16-bit word - eliminates glue logic |
| Automatic Power-Down | Hardware-triggered transition to <1 µA retention mode upon CE deassertion - no software overhead |
| TTL-Compatible I/O | VIL = 0.8 V max, VOH = 2.4 V min at 2.7 V - interoperable with legacy 3.3 V and 5 V tolerant controllers |
| Data Retention at 1.0 V | Maintains stored data down to 1.0 V VCC - supports graceful shutdown during power failure |
Applications
| Cellular Baseband Memory | Automotive Infotainment Cache |
|---|---|
|
Use Scenario: Stores firmware patches and real-time audio buffers in GSM/UMTS modems with intermittent power. IC Role / Device Role / Timing Role: Low-latency, byte-accessible SRAM interfaced directly to ARM9-based baseband processors. Use Value: 70 ns tRC and 1 µA ISB2 enable fast wake-from-sleep response and >3-month standby on coin cell. |
Use Scenario: Caches navigation map tiles and UI assets in head-unit systems requiring AEC-Q100 compliance. IC Role / Device Role / Timing Role: Automotive-grade SRAM providing deterministic 16-bit burst reads to TI DaVinci DSPs. Use Value: –40°C to +125°C operation and 1.0 V data retention ensure reliable boot-up after engine-off thermal soak. |
| Industrial PLC Data Log Buffer | Medical Handheld Diagnostic Storage |
|
Use Scenario: Buffers sensor acquisition data during transient network outages in DIN-rail mounted controllers. IC Role / Device Role / Timing Role: Nonvolatile-supporting SRAM used with external EEPROM for wear-leveling-aware logging. Use Value: Dual VCC/VSS pins minimize ground bounce during simultaneous 16-bit writes across noisy factory EMI environments. |
Use Scenario: Holds calibration coefficients and patient waveform history in FDA-cleared portable ECG monitors. IC Role / Device Role / Timing Role: Safety-critical SRAM with guaranteed data integrity during battery swaps and USB charging events. Use Value: Automatic CE power-down reduces leakage to <10 µA during 24-hour continuous monitoring cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISSI IS62WV12816BLL-70NLI | Same density, 70 ns speed, but only industrial temp (–40°C to +85°C); higher ISB2 (5 µA typ.) | Lacks automotive qualification; unsuitable for under-hood infotainment modules | Select when cost sensitivity outweighs extended temperature or ultra-low standby needs |
| ON Semiconductor NVSRAM NCS2116M16-70Z | Nonvolatile SRAM with integrated EEPROM backup; 70 ns access but 12 mA ICC active current | Eliminates external backup battery but increases power budget and board area | Choose when data persistence across uncontrolled power loss is mandatory |
Compared with IS62WV12816BLL-70NLI and NCS2116M16-70Z, the CY62137VLL-70ZXET uniquely balances automotive qualification, sub-2 µA standby, and pure SRAM simplicity - making it optimal for battery-powered telematics where reliability and energy efficiency are co-prioritized.
Availability
CY62137VLL-70ZXET is available at Aetrix Electronics and suitable for cellular modem design, automotive infotainment systems, and industrial data loggers requiring stable component supply across long production lifecycles.
Supply support for CY62137VLL-70ZXET 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
Cypress Semiconductor (now part of Infineon Technologies) designs high-reliability memory and programmable solutions for automotive, industrial, and consumer electronics.
The CY62137V series belongs to Cypress's MoBL® (More Battery Life) SRAM product line, engineered specifically for ultra-low-power portable and battery-backed applications demanding fast random access and minimal leakage.
FAQ
What is the maximum clock frequency supported by CY62137VLL-70ZXET?
The CY62137VLL-70ZXET does not use a clock; it is an asynchronous SRAM. Its 70 ns read cycle time (tRC) supports up to ~14.3 MHz effective bus throughput when interfaced with microcontrollers or ASICs using standard address/data strobes. Timing is governed by CE, OE, and WE setup/hold relationships-not a system clock.
Can CY62137VLL-70ZXET operate at 2.5 V?
No. The absolute minimum VCC is 2.7 V per the datasheet's operating range specification. Operation below 2.7 V risks data corruption, increased access time violation, and failure to meet ISB2 or tRC guarantees. Systems requiring 2.5 V rails must use level-shifting or select a different SRAM family rated for that voltage.
How does the automatic power-down feature activate?
Automatic power-down engages when CE is driven HIGH, or when CE is LOW while both BHE and BLE are HIGH. In either case, internal circuitry reduces ICC to ≤1 µA (ISB2) without requiring external control signals or configuration registers - fully hardware-managed.
Is CY62137VLL-70ZXET RoHS-compliant and lead-free?
Yes. The "Z" suffix in CY62137VLL-70ZXET denotes a Pb-free (lead-free) version compliant with RoHS Directive 2011/65/EU. It uses matte tin terminations and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL-3) for standard SMT assembly.
CY62137VLL-70ZXET 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:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 2Mbit
- Memory Organization:
- 128K x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 70ns
- Access Time:
- 70 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 44-TSOP II
CY62137VLL-70ZXET FAQ
1.How can I place an order for CY62137VLL-70ZXET through Aetrix?
Please submit a Request for Quotation (RFQ) for CY62137VLL-70ZXET 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 CY62137VLL-70ZXET reliable?
The price and inventory of CY62137VLL-70ZXET are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY62137VLL-70ZXET is usually 5 days.
3.What payment methods are accepted for CY62137VLL-70ZXET?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY62137VLL-70ZXET transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY62137VLL-70ZXET?
CY62137VLL-70ZXET orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY62137VLL-70ZXET 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 CY62137VLL-70ZXET?
For technical support, including CY62137VLL-70ZXET datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY62137VLL-70ZXET requirements.
6.How does Aetrix verify that CY62137VLL-70ZXET is sourced from the original manufacturer or authorized distributors?
All CY62137VLL-70ZXET 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 CY62137VLL-70ZXET meets industry standards.
7.What is the process for return or replacement of CY62137VLL-70ZXET?
All CY62137VLL-70ZXET units undergo pre-shipment inspection (PSI). If there is an issue with CY62137VLL-70ZXET, 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 CY62137VLL-70ZXET part is unused and in its original packaging.
Return procedure for CY62137VLL-70ZXET:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY62137VLL-70ZXET Tags
-
M24C02-WMN6TP
STMicroelectronics
-
AT24C02C-XHM-T
Microchip Technology
-
AT21CS01-STUM10-T
Microchip Technology
-
AT24C02C-SSHM-T
Microchip Technology
-
24LC01BT-I/OT
Microchip Technology
-
M24C02-FMC6TG
STMicroelectronics
-
AT24CS02-SSHM-T
Microchip Technology
-
93LC46BT-I/OT
Microchip Technology
-
AT24C04C-SSHM-T
Microchip Technology
-
24LC01BT-I/SN
Microchip Technology
-
24AA02UIDT-I/OT
Microchip Technology
-
AT24C08C-STUM-T
Microchip Technology
Tech Hub
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
