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Renesas 7200L15TPGI
- Part No.:
- 7200L15TPGI
- Manufacturer:
- Renesas
- Category:
- FIFOs Memory
- Package:
- 28-DIP (0.300", 7.62mm)
- Datasheet:
-
7200L15TPGI.pdf
- Description:
- IC FIFO ASYNC 256X9 15NS 28DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,482
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Product details
Overview
IDT7200L15TPGI from Renesas Electronics (formerly IDT) is a 256 × 9-bit CMOS asynchronous FIFO memory IC used for rate buffering and data synchronization between mismatched clock domains or bus protocols. It features 15 ns access time, 5 V supply operation, industrial temperature range (–40°C to +85°C), and dual-port first-in/first-out architecture with Empty, Full, and Half-Full status flags - deployed in serial communications interfaces and multiprocessing interconnects.
For engineers reviewing the IDT7200L15TPGI datasheet, IDT7200L15TPGI pinout, IDT7200L15TPGI application, or IDT7200L15TPGI equivalent, key selection considerations include its 256-word depth, 9-bit data width with parity support, retransmit capability, TSSOP-28 package, and compatibility with depth/width expansion schemes for larger buffer implementations.
Technical Context
This FIFO implements ring-pointer-based sequential read/write without external address management, using independent W (write) and R (read) control lines. Its internal RAM array stores 256 words of 9-bit data, supporting simultaneous asynchronous read and write operations with no bus contention.
Status logic generates EF (Empty), FF (Full), and XO/HF (Half-Full or Expansion Out) signals based on pointer comparison. The FL/RT pin serves dual roles: First Load in depth expansion mode, Retransmit (resetting read pointer to start) in single-device mode - both requiring precise pulse timing per AC specs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Depth × Width | 256 × 9 bits - supports up to 256 data words with optional parity/control bit in 9th lane |
| Access Time (tA) | 15 ns max - enables ≤66.7 MHz effective throughput in flow-through configurations |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard 5 V TTL/CMOS logic families |
| Operating Temperature | –40°C to +85°C - qualified for industrial environments without derating |
| Power Consumption | Active: 440 mW max; Power-down: 28 mW max - suitable for low-duty-cycle buffering |
| Status Flags | EF, FF, XO/HF - provide real-time buffer occupancy feedback for handshake control |
| Retransmit Function | RT input resets read pointer to zero - enables data replay without rewrite or host intervention |
Pinout & Package
Package: 28-pin Thin Shrink Small Outline Package (TSSOP), lead-free (Green), RoHS-compliant, body width 4.4 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| W | Write Enable | Falling-edge-triggered write strobe; initiates storage of D0–D8 into next FIFO location |
| R | Read Enable | Falling-edge-triggered read strobe; outputs Q0–Q8 from current FIFO location |
| D0–D8 | Data Inputs | 9-bit parallel input bus; supports parity bit placement at user discretion |
| Q0–Q8 | Data Outputs | Three-state outputs enabled only during active read cycle (R = LOW) |
| EF | Empty Flag | Open-drain output LOW when read pointer = write pointer - prevents underflow |
| FF | Full Flag | Open-drain output LOW when write pointer = (read pointer – 1) mod 256 - prevents overflow |
| XO/HF | Expansion Out / Half-Full | In single-device mode: HF goes LOW when ≥128 words stored; in depth expansion: pulses to next device on last write |
| FL/RT | First Load / Retransmit | In single-device mode: RT pulse resets read pointer; in depth expansion: FL = LOW identifies first device |
| RS | Reset | Active-LOW synchronous reset - sets both pointers to zero; required before initial write |
| XI | Expansion In | GND = single-device mode; tied to XO of prior device in depth expansion chain |
Key Features
| Feature | Design Value |
|---|---|
| Asynchronous dual-port operation | Enables independent read/write clocks or unclocked handshaking - eliminates clock domain crossing logic |
| Auto-retransmit capability | RT pulse restores read pointer to start position - critical for protocol retransmission (e.g., UART abort/retry) |
| Expandable architecture | Supports unlimited depth (daisy-chain) and width (parallel) expansion - scales buffer size without redesign |
| 9-bit data path with parity option | Extra bit allows embedded parity generation/checking - enhances reliability in serial comms and telemetry links |
| Industrial-grade qualification | Specified and tested across –40°C to +85°C - ensures stable timing and flag behavior in harsh environments |
Applications
| Serial Communications Interface | Multiprocessor Data Bridge |
|---|---|
Use Scenario: Buffering UART or RS-232/422 data streams between microcontroller and modem where transmit/receive rates differ. IC Role / Device Role / Timing Role: Asynchronous FIFO decouples TX/RX timing; absorbs burst traffic and prevents overrun/underrun. Use Value: Eliminates software polling or complex interrupt handling; enables deterministic latency with 256-word depth. | Use Scenario: Interfacing two CPUs or DMA engines operating at different clock frequencies in an embedded control system. IC Role / Device Role / Timing Role: Rate-matching buffer synchronizes data transfer between independent clock domains without shared clock or PLL. Use Value: Prevents metastability and data loss; supports full-duplex operation with separate R/W control lines. |
| Telemetry Data Acquisition | Legacy Bus Protocol Adapter |
Use Scenario: Capturing sensor data bursts from high-speed ADCs before streaming over slower SPI/I²C to host MCU. IC Role / Device Role / Timing Role: Temporary storage element absorbing transient sampling peaks while maintaining steady downstream delivery. Use Value: Maintains 100% capture fidelity during ADC oversampling; leverages Half-Full flag for early warning of buffer pressure. | Use Scenario: Adapting ISA or VME bus peripherals to modern controllers via FPGA or microcontroller glue logic. IC Role / Device Role / Timing Role: Handshake-transparent bridge providing depth-matched buffering for legacy 8/16-bit parallel transfers. Use Value: Simplifies timing closure; avoids custom ASIC or large SRAM - uses proven, pin-compatible FIFO family. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FIFO memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 7200L12TPGI | 12 ns access time (vs. 15 ns); otherwise identical pinout, timing, and feature set | Suitable where tighter read/write cycle budgets exist - e.g., >83 MHz shift frequency requirement | Select when system timing margin demands faster access; verify setup/hold compliance with faster edges |
| 7200L20TPGI | 20 ns access time; lower power consumption in active mode (typ. ICC1 reduced ~15%) | Better suited for cost-sensitive or thermally constrained industrial designs where 50 MHz max throughput suffices | Prefer for lower BOM cost and thermal footprint where 15 ns speed is unnecessary |
Compared with IDT7200L15TPGI, the 12 ns variant offers higher bandwidth at increased timing sensitivity, while the 20 ns version trades speed for reduced power and cost - all share identical packaging, expansion logic, and industrial temperature rating.
Availability
IDT7200L15TPGI is available at Aetrix Electronics and suitable for serial communications interfaces, multiprocessor bridges, telemetry acquisition systems, and legacy bus adapters requiring stable component supply across industrial temperature ranges.
Supply support for IDT7200L15TPGI 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and connectivity solutions for automotive, industrial, and infrastructure markets.
IDT7200L15TPGI belongs to the legacy IDT72xx asynchronous FIFO product line, designed specifically for robust, low-latency data buffering in mixed-clock-domain systems where deterministic handshaking and expandability are essential.
FAQ
What is the maximum operating frequency supported by IDT7200L15TPGI?
IDT7200L15TPGI supports a maximum shift frequency of 40 MHz under industrial conditions (–40°C to +85°C), derived from its 15 ns access time and specified tRC (read cycle time) of 25 ns. This enables reliable operation in high-speed UART, DSP link, or DMA handshaking applications without violating setup/hold timing margins.
Does IDT7200L15TPGI support parity checking?
Yes, IDT7200L15TPGI provides a 9-bit data path (D0–D8 / Q0–Q8) explicitly designed to accommodate an 8-bit data word plus one parity or control bit. The datasheet confirms this configuration is "especially useful in data communications applications where it is necessary to use a parity bit for transmission/reception error checking," and no additional logic is required to implement parity generation or validation.
Can IDT7200L15TPGI be used in depth-expansion configurations?
Yes, IDT7200L15TPGI supports depth expansion via XI/XO daisy-chaining, enabling multi-device stacks for larger buffer depths (e.g., 768 × 9 with three devices). However, the Retransmit (RT) and Half-Full (HF) functions are disabled in depth-expansion mode, and composite EF/FF flags must be generated externally using OR logic across all devices' respective flags.
What is the function of the FL/RT pin on IDT7200L15TPGI?
The FL/RT pin on IDT7200L15TPGI is dual-function: in single-device mode (XI = GND), it acts as Retransmit (RT), resetting the read pointer to zero upon a LOW pulse; in depth-expansion mode (XI tied to prior XO), it serves as First Load (FL), identifying the first device in the chain when pulled LOW. Its role is determined solely by the XI connection state.
Is IDT7200L15TPGI still in active production?
IDT7200L15TPGI was discontinued per Renesas PDN# SP-17-02, with last-time-buy expiring June 15, 2018. Aetrix Electronics maintains legacy inventory and offers traceable, tested units for ongoing industrial and defense programs requiring form-fit-function replacement - subject to remaining stock levels and extended lifecycle support agreements.
7200L15TPGI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- 7200
- Package/Case:
- 28-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Size:
- 2.25K (256 x 9)
- Function:
- Asynchronous
- Data Rate:
- 40MHz
- Access Time:
- 15ns
- Voltage - Supply:
- 4.5 V ~ 5.5 V
- Current - Supply (Max):
- 80mA
- Bus Directional:
- Uni-Directional
- Expansion Type:
- Depth, Width
- Programmable Flags Support:
- No
- Retransmit Capability:
- Yes
- FWFT Support:
- No
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 28-PDIP
7200L15TPGI FAQ
1.How can I place an order for 7200L15TPGI through Aetrix?
Please submit a Request for Quotation (RFQ) for 7200L15TPGI 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 7200L15TPGI reliable?
The price and inventory of 7200L15TPGI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 7200L15TPGI is usually 5 days.
3.What payment methods are accepted for 7200L15TPGI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 7200L15TPGI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 7200L15TPGI?
7200L15TPGI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 7200L15TPGI 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 7200L15TPGI?
For technical support, including 7200L15TPGI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 7200L15TPGI requirements.
6.How does Aetrix verify that 7200L15TPGI is sourced from the original manufacturer or authorized distributors?
All 7200L15TPGI 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 7200L15TPGI meets industry standards.
7.What is the process for return or replacement of 7200L15TPGI?
All 7200L15TPGI units undergo pre-shipment inspection (PSI). If there is an issue with 7200L15TPGI, 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 7200L15TPGI part is unused and in its original packaging.
Return procedure for 7200L15TPGI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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