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Texas Instruments SN74V283-15GGM
- Part No.:
- SN74V283-15GGM
- Manufacturer:
- Texas Instruments
- Category:
- FIFOs Memory
- Package:
- 100-LFBGA
- Datasheet:
-
SN74V283-15GGM.pdf
- Description:
- IC FIFO SYNC 64KX9 10NS 100BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,369
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Product details
Overview
SN74V283-15GGM from Texas Instruments is a 32,768 × 18/65,536 × 9 high-speed CMOS FIFO memory with independent read/write clocks, 166-MHz operation, 6-ns read/write cycle time, and user-selectable ×9/×18 bus sizing - deployed in network buffering, DSP interfacing, and video data stream alignment.
For engineers reviewing the SN74V283-15GGM datasheet, SN74V283-15GGM pinout, SN74V283-15GGM application, or SN74V283-15GGM equivalent, key selection criteria include FWFT vs. standard timing mode configuration, programmable almost-empty/full flag offsets, zero-latency retransmit capability, and 5-V-tolerant input compatibility with 3.3-V core operation.
Technical Context
This FIFO implements dual-clock asynchronous architecture with fully independent RCLK and WCLK domains (0–166 MHz), enabling simultaneous read/write without arbitration logic. Its RAM array is sized at 32,768 × 18 bits (or 65,536 × 9 bits) and supports configurable endianness, interspersed parity, and bus-width matching via IW/OW pins during master reset.
Flag generation uses dedicated hardware logic for EF/OR, FF/IR, HF, PAE, and PAF - with PAE/PAF programmable via serial or parallel loading and configurable as synchronous or asynchronous outputs via PFM. Retransmit functionality resets the read pointer on RT assertion, with latency mode selected by RM during MRS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Depth × Width | 32,768 × 18 or 65,536 × 9 - enables flexible data buffering for mismatched bus widths in DSP or telecom interfaces. |
| Max Clock Frequency | 166 MHz - supports high-throughput streaming applications such as real-time video frame buffering. |
| Read/Write Cycle Time | 6 ns - guarantees deterministic low-latency access for time-critical control loops and packet processing. |
| First-Word Latency | Fixed and short - ensures predictable startup timing when initializing data flow after reset or empty state. |
| Input Voltage Tolerance | 5-V-tolerant inputs - allows direct connection to legacy 5-V logic without level-shifting circuitry. |
| Timing Modes | FWFT or standard mode selectable via FWFT/SI - FWFT delivers immediate first-word output; standard mode requires explicit REN activation. |
| Retransmit Latency | Zero-latency or normal-latency selectable via RM - zero-latency places first retransmitted word on Qn same RCLK edge that asserts RT. |
Pinout & Package
SN74V283-15GGM is housed in a 100-pin Ball Grid Array (BGA) package designated GGM per TI SCAS669D. Pin functions are validated per official top-view pinout diagram and terminal description table.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MRS | Master Reset Input | Asynchronous initialization of read/write pointers, flags, and all configuration registers including FWFT/SI, IW, OW, BE, RM, PFM, IP. |
| WCLK / RCLK | Independent Write/Read Clocks | Enable concurrent write and read operations; each clock domain operates up to 166 MHz with no frequency dependency. |
| WEN / REN | Write/Read Enable Controls | Gate data transfer on respective clock edges; ignored when FIFO is full (WEN) or empty (REN). |
| D0–D17 / Q0–Q17 | Data Input/Output Ports | Configurable ×9 or ×18 width via IW/OW; unused pins must be tied low (inputs) or left unconnected (outputs). |
| EF/OR, FF/IR, HF, PAE, PAF | Status Flag Outputs | Provide real-time FIFO status: empty/full/half-full and programmable thresholds; OR/IR active in FWFT mode; EF/FF in standard mode. |
| RT | Retransmit Control | Asserted on rising RCLK edge to reset read pointer to start address; zero-latency behavior enabled by RM = low during MRS. |
| OE | Output Enable | Places Q0–Q17 outputs in high-impedance state when high - supports shared bus architectures and hot-swap isolation. |
Key Features
| Feature | Design Value |
|---|---|
| Bus-Matching Flexibility | Four configurations (×9/×9, ×9/×18, ×18/×9, ×18/×18) via IW/OW pins - eliminates glue logic when interfacing dissimilar-width processors and peripherals. |
| Programmable Flag Offsets | PAE/PAF thresholds set via 8 default values (FSEL0/FSEL1/LD) or custom serial/parallel programming - enables precise buffer watermarking for flow control. |
| Endianness Selection | Big- or little-endian word ordering controlled by BE pin - critical for correct data interpretation when converting between ×18 write and ×9 read formats. |
| Zero-Latency Retransmit | First retransmitted word appears on Qn within same RCLK edge asserting RT - essential for retry protocols and error recovery in packetized systems. |
| Glueless DSP Interface | Native compatibility with TI 'C6x DSP EMIF and XBus - reduces PCB complexity and routing overhead in embedded signal-processing platforms. |
Applications
| Telecom Line Card Buffering | DSP-Based Audio Processing |
|---|---|
|
Use Scenario: Buffering asynchronous TDM streams between framer ICs and backplane switches in carrier-grade line cards. IC Role / Device Role / Timing Role: Asynchronous FIFO bridging 125-MHz SerDes interface and 100-MHz switch fabric clock domains while absorbing jitter and burst traffic. Use Value: 32,768 × 18 depth accommodates worst-case packet bursts; 6-ns cycle time meets sub-100ns latency budgets for real-time voice path. |
Use Scenario: Interfacing TI C6713 DSP with external ADC/DAC in multichannel audio system requiring sample-rate conversion. IC Role / Device Role / Timing Role: Data staging buffer between DSP EMIF and codec I/O, supporting ×18 write (DSP word) and ×9 read (codec channel pair). Use Value: Bus-matching and FWFT mode deliver immediate first-sample availability; 5-V-tolerant inputs simplify interface to legacy codec supplies. |
| Video Frame Synchronization | Industrial Camera Interface |
|
Use Scenario: Aligning variable-rate image sensor output (e.g., rolling shutter CMOS) with fixed-rate display controller in medical imaging equipment. IC Role / Device Role / Timing Role: Dual-clock FIFO absorbing timing skew between sensor pixel clock and display pixel clock, with partial reset for frame boundary sync. Use Value: PRS preserves flag offsets and timing mode across frame boundaries; HF/PAE flags trigger DMA fetches before underflow. |
Use Scenario: Connecting high-resolution industrial camera (LVDS output) to FPGA-based vision processor with mismatched data widths and clock domains. IC Role / Device Role / Timing Role: Width-converting FIFO accepting ×18 pixel words from serializer and delivering ×9 words to FPGA fabric for parallel pixel processing. Use Value: Configurable endianness ensures correct MSB/LSB ordering across pixel packing; OE enables dynamic bus sharing with other peripherals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FIFO memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IDT72V285L15PF | 32,768 × 18, 15 ns cycle time, 133 MHz max, PLCC-84 package - slower speed, different pinout, no FWFT mode. | Lacks FWFT timing and zero-latency retransmit; suitable only where deterministic first-word latency is not required. | Select IDT72V285L15PF only if board layout constraints favor PLCC and timing budget allows >6 ns latency. |
| ON Semiconductor NB3N502DG | 16,384 × 18, 10 ns cycle time, 100 MHz max, TSSOP-56 - half the depth, lower speed, no programmable flags or endianness. | Missing PAE/PAF, BE, RM, PFM - limited to basic buffering without advanced flow control or protocol adaptation. | Choose NB3N502DG only for cost-sensitive, low-complexity designs where 32K-depth and FWFT are unnecessary. |
Compared with IDT72V285L15PF and NB3N502DG, SN74V283-15GGM delivers superior throughput (166 MHz), deeper buffering (32K × 18), and unique features like FWFT mode and zero-latency retransmit - making it optimal for high-performance DSP, telecom, and video synchronization where timing determinism and configurability are critical.
Availability
SN74V283-15GGM is available at Aetrix Electronics and suitable for telecom infrastructure, DSP-based signal processing, and high-resolution video equipment requiring stable component supply and long-term lifecycle support.
Supply support for SN74V283-15GGM 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions, with decades of expertise in high-speed interface and memory products.
SN74V283-15GGM belongs to TI's high-speed FIFO family designed specifically for seamless data rate translation and jitter absorption between heterogeneous digital subsystems in networking, video, and DSP applications.
FAQ
What memory organization does SN74V283-15GGM support?
SN74V283-15GGM supports two memory organizations: 32,768 × 18 bits or 65,536 × 9 bits. The selected configuration is determined by the states of the IW (input width) and OW (output width) pins during master reset, enabling flexible bus-matching without external logic.
Does SN74V283-15GGM support 5-V logic interfaces?
Yes, SN74V283-15GGM features 5-V-tolerant inputs, allowing direct connection to 5-V CMOS/TTL signaling while operating from a 3.3-V supply. This eliminates level-shifters in mixed-voltage systems, reducing BOM cost and board space.
How is first-word latency handled in SN74V283-15GGM?
SN74V283-15GGM offers two modes: standard mode requires REN assertion to read the first word, while FWFT mode delivers the first word to Qn after three RCLK edges without REN. The mode is selected by FWFT/SI during master reset.
Can SN74V283-15GGM be used for retransmitting data without delay?
Yes - SN74V283-15GGM supports zero-latency retransmit when RM is held low during master reset. In this mode, the first retransmitted word appears on Qn synchronized to the same RCLK edge that asserts RT, enabling rapid protocol retries.
What package type is SN74V283-15GGM supplied in?
SN74V283-15GGM is supplied in a 100-pin Ball Grid Array (BGA) package designated GGM. This fine-pitch surface-mount package supports high-density routing and thermal performance required for high-speed FIFO applications.
SN74V283-15GGM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74V
- Package/Case:
- 100-LFBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Size:
- 576K (32K x 18)(64K x 9)
- Function:
- Synchronous
- Data Rate:
- 66.7MHz
- Access Time:
- 10ns
- Voltage - Supply:
- 3.15 V ~ 3.45 V
- Current - Supply (Max):
- 35mA
- Bus Directional:
- Uni-Directional
- Expansion Type:
- Depth, Width
- Programmable Flags Support:
- Yes
- Retransmit Capability:
- Yes
- FWFT Support:
- Yes
- Operating Temperature:
- 0°C ~ 70°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 100-BGA MICROSTAR (10x10)
SN74V283-15GGM FAQ
1.How can I place an order for SN74V283-15GGM through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74V283-15GGM 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 SN74V283-15GGM reliable?
The price and inventory of SN74V283-15GGM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74V283-15GGM is usually 5 days.
3.What payment methods are accepted for SN74V283-15GGM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74V283-15GGM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74V283-15GGM?
SN74V283-15GGM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74V283-15GGM 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 SN74V283-15GGM?
For technical support, including SN74V283-15GGM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74V283-15GGM requirements.
6.How does Aetrix verify that SN74V283-15GGM is sourced from the original manufacturer or authorized distributors?
All SN74V283-15GGM 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 SN74V283-15GGM meets industry standards.
7.What is the process for return or replacement of SN74V283-15GGM?
All SN74V283-15GGM units undergo pre-shipment inspection (PSI). If there is an issue with SN74V283-15GGM, 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 SN74V283-15GGM part is unused and in its original packaging.
Return procedure for SN74V283-15GGM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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