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Infineon Technologies CY62167ELL-45ZXI
- Part No.:
- CY62167ELL-45ZXI
- Manufacturer:
- Infineon Technologies
- Category:
- Memory
- Package:
- 48-TFSOP (0.724", 18.40mm Width)
- Datasheet:
-
CY62167ELL-45ZXI.pdf
- Description:
- IC SRAM 16MBIT PARALLEL 48TSOP I
- Quantity:
- Payment:
- Shipping:
Inventory:233
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Product details
Overview
CY62167ELL-45ZXI from Infineon Technologies (formerly Cypress) is a 16-Mbit MoBL® CMOS static RAM configurable as 1 M × 16 or 2 M × 8, operating at 45 ns access time over 4.5–5.5 V supply. It delivers ultra-low standby current (1.5 µA typ), active current of 2.2 mA at 1 MHz, and automatic power-down on deselect. Used in battery-powered embedded controllers for data buffering and firmware storage.
For engineers reviewing the CY62167ELL-45ZXI datasheet, CY62167ELL-45ZXI pinout, CY62167ELL-45ZXI application, or CY62167ELL-45ZXI equivalent, this page provides verified package mapping (48-pin TSOP I), byte-enable–controlled dual-width operation, TTL-compatible I/O levels, and industrial-grade (-40°C to +85°C) timing behavior under real-world CE/OE/WE control sequences.
Technical Context
The CY62167ELL-45ZXI implements dual-mode memory organization via external BYTE pin configuration: tied to VCC for 1 M × 16 mode (A0–A19 + BHE/BLE), or to VSS for 2 M × 8 mode (A0–A20, with A20 on I/O15 pin). Its CMOS core supports TTL-level inputs but not CMOS-level input thresholds-VIH minimum is 2.2 V, not 3.5 V-requiring verification when interfacing with legacy 5 V microcontrollers.
Power management relies on three independent enable conditions for automatic standby: CE1 HIGH, CE2 LOW, or simultaneous BHE/ BLE HIGH. Output tristate is asserted during deselect, OE HIGH, write cycles (WE LOW), or disabled byte enables-enabling clean bus sharing without external isolation logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 Mbit (1 M × 16 or 2 M × 8 configuration) |
| Access Time | 45 ns - defines maximum clock rate for synchronous read/write cycles in microcontroller interfaces |
| VCC Range | 4.5 V to 5.5 V - compatible with standard 5 V logic rails; not suitable for 3.3 V systems without level translation |
| Standby Current | 1.5 µA typical - enables multi-year battery life in always-on portable instrumentation |
| Active Current | 2.2 mA at 1 MHz - scales linearly with frequency; critical for thermal budgeting in sealed enclosures |
| Operating Temp | –40°C to +85°C - qualified for industrial control, automotive body electronics, and medical edge devices |
| I/O Voltage Level | TTL-compatible inputs (VIH ≥ 2.2 V) - requires validation against host processor's VIH min spec; not CMOS-logic compliant |
Pinout & Package
Package: 48-pin TSOP I (Thin Small Outline Package, Type I), 12 × 20 mm body, 0.5 mm pitch, JEDEC MO-143AC compliant. Pin 1 index corner marked; top-view orientation per datasheet Figure 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A19 | Address Inputs | 1 M × 16 mode: A0–A19 select 1,048,576 locations; 2 M × 8 mode: A0–A19 + A20 (on I/O15) address 2,097,152 bytes |
| I/O0–I/O7 | Data Bus (Low Byte) | Active when BLE = LOW; high-impedance when BLE = HIGH or device deselected |
| I/O8–I/O15 | Data Bus (High Byte) | Active when BHE = LOW; unused in 2 M × 8 mode unless BYTE = VCC |
| CE1, CE2 | Chip Enable Controls | CE1 LOW + CE2 HIGH enables device; CE1 HIGH or CE2 LOW forces standby and tristate outputs |
| OE | Output Enable | LOW enables read data output; HIGH places I/O pins in high-Z regardless of CE state |
| WE | Write Enable | LOW initiates write; must be coordinated with CE and BHE/ BLE to avoid bus contention |
| BHE, BLE | Byte High/Low Enable | Control 16-bit granularity: both LOW = full 16-bit write; one LOW = 8-bit partial write |
| BYTE | Width Configuration | Must be tied to VCC for 1 M × 16; tied to VSS for 2 M × 8 (reassigns I/O15 as A20) |
Key Features
| Feature | Design Value |
|---|---|
| Dual-Width Memory Mapping | Single footprint supports either 1 M × 16 (standard microcontroller data bus) or 2 M × 8 (legacy 8-bit CPU or FPGA byte lanes) via BYTE pin strap |
| Ultra-Low Standby Power | 1.5 µA typical ISB2 enables >10-year coin-cell operation in smart sensors and tamper-detection loggers |
| Automatic Power-Down Logic | No external control needed-standby activates instantly on CE1 HIGH, CE2 LOW, or BHE/ BLE HIGH, eliminating software overhead |
| TTL-Compatible Interface | Guaranteed VIH ≥ 2.2 V and VIL ≤ 0.7 V allows direct connection to 5 V MCUs like Intel 8051 derivatives and older ARM7-based SoCs |
| Tristate Output Control | Four independent conditions force I/O pins into high-Z: deselect, OE HIGH, write cycle, or disabled byte enables-prevents bus conflicts in shared-memory systems |
Applications
| Industrial PLC Data Buffer | Portable Medical Monitor |
|---|---|
Use Scenario: Real-time acquisition of ECG waveforms at 1 kS/s with local preprocessing before wireless upload. IC Role / Device Role / Timing Role: SRAM buffer storing 32 kB of raw waveform data; accessed via 8-bit parallel bus from Cortex-M3 MCU with 45 ns timing margin. Use Value: 2.2 mA active current at 1 MHz enables 72-hour runtime on two AA alkalines; automatic standby cuts leakage to <2 µA during idle intervals. |
Use Scenario: Battery-powered pulse oximeter logging SpO₂ and heart rate every 5 seconds for 7-day continuous use. IC Role / Device Role / Timing Role: Non-volatile data cache holding calibration coefficients and recent trend history; interfaced via 16-bit bus to MSP430F5xx MCU. Use Value: 45 ns access time ensures deterministic response to interrupt-driven sensor reads; 1.5 µA standby extends battery life beyond product shelf-life requirements. |
| Automotive Body Control Module | Smart Energy Meter |
Use Scenario: Storing fault codes, door lock status, and lighting configuration across ignition cycles in a Class 2 CAN gateway. IC Role / Device Role / Timing Role: Fast-access scratchpad for EEPROM emulation; accessed by Renesas RL78 via 16-bit multiplexed bus with CE/OE strobing. Use Value: Industrial temperature rating (–40°C to +85°C) ensures reliability in under-hood environments; TTL compatibility avoids level-shifter BOM cost. |
Use Scenario: Holding tariff schedules, consumption logs, and communication stack buffers in ANSI C12.19-compliant metering hardware. IC Role / Device Role / Timing Role: Dual-port buffer between metrology ASIC and RF modem; configured as 2 M × 8 to match UART DMA width. Use Value: BYTE pin strapped to VSS reassigns I/O15 as A20, enabling full 2 MB address space without PCB redesign or footprint change. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IS61LV102416-10TLI | 10 ns faster (10 ns access), 3.3 V only, CMOS I/O levels (VIH = 2.0 V min), no BYTE pin | Requires level shifters for 5 V hosts; unsuitable for mixed-voltage designs needing 4.5–5.5 V operation | Select only if system uses 3.3 V logic and demands sub-20 ns latency; verify VIH compatibility with host MCU |
| AS6C4008-55TIN | 55 ns access, 4.5–5.5 V, TTL-compatible, 44-pin SOJ package (not pin-compatible) | Larger footprint and longer access time limit use in high-throughput data loggers | Consider for cost-sensitive industrial controls where 55 ns timing suffices and board layout allows SOJ placement |
Compared with IS61LV102416-10TLI and AS6C4008-55TIN, the CY62167ELL-45ZXI uniquely balances 45 ns speed, 5 V tolerance, TTL interface, and dual-width flexibility in a compact TSOP I package-making it optimal for legacy 5 V embedded upgrades where pin count, voltage, and timing margins are tightly constrained.
Availability
CY62167ELL-45ZXI is available at Aetrix Electronics and suitable for industrial PLC data buffering, portable medical monitoring, automotive body control modules, and smart energy metering requiring stable component supply across extended product lifecycles.
Supply support for CY62167ELL-45ZXI 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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, sensing, connectivity, and memory solutions for industrial, automotive, and IoT applications.
The CY62167E MoBL® SRAM product line was originally developed by Cypress Semiconductor and continues under Infineon to serve low-power, high-reliability embedded systems requiring fast, flexible, and drop-in replaceable parallel memory with extended temperature support.
FAQ
Can CY62167ELL-45ZXI operate at 3.3 V?
No. The device is specified only for 4.5 V to 5.5 V operation. Attempting 3.3 V supply violates Absolute Maximum Ratings and results in undefined behavior, including failure to retain data or meet timing specs. For 3.3 V systems, consider Infineon's newer LPDDR or serial SRAM families with compatible voltage ranges.
What happens if the BYTE pin is left floating?
Leaving BYTE unconnected causes undefined memory width behavior and may result in data corruption or excessive current draw. Datasheet mandates tying BYTE to either VCC (for 1 M × 16) or VSS (for 2 M × 8). A 10 kΩ pull-up or pull-down resistor is recommended for robustness in noisy environments.
Is CY62167ELL-45ZXI RoHS compliant and lead-free?
Yes. The "Z" in the suffix "ZXI" denotes lead-free (Pb-free) and RoHS-compliant construction per EU Directive 2011/65/EU. The TSOP I package uses matte tin terminations and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) requirements.
Does this SRAM support asynchronous burst reads?
No. CY62167ELL-45ZXI is a classic asynchronous parallel SRAM with no internal burst counter or sequential address generation. Each read requires full address setup and CE/OE assertion; burst transfers must be implemented externally via controller logic or DMA with address incrementing.
CY62167ELL-45ZXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- MOBL™
- Package/Case:
- 48-TFSOP (0.724", 18.40mm Width)
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 16Mbit
- Memory Organization:
- 2M x 8, 1M x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 45ns
- Access Time:
- 45 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TSOP I
CY62167ELL-45ZXI FAQ
1.How can I place an order for CY62167ELL-45ZXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY62167ELL-45ZXI 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 CY62167ELL-45ZXI reliable?
The price and inventory of CY62167ELL-45ZXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY62167ELL-45ZXI is usually 5 days.
3.What payment methods are accepted for CY62167ELL-45ZXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY62167ELL-45ZXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY62167ELL-45ZXI?
CY62167ELL-45ZXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY62167ELL-45ZXI 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 CY62167ELL-45ZXI?
For technical support, including CY62167ELL-45ZXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY62167ELL-45ZXI requirements.
6.How does Aetrix verify that CY62167ELL-45ZXI is sourced from the original manufacturer or authorized distributors?
All CY62167ELL-45ZXI 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 CY62167ELL-45ZXI meets industry standards.
7.What is the process for return or replacement of CY62167ELL-45ZXI?
All CY62167ELL-45ZXI units undergo pre-shipment inspection (PSI). If there is an issue with CY62167ELL-45ZXI, 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 CY62167ELL-45ZXI part is unused and in its original packaging.
Return procedure for CY62167ELL-45ZXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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