My Inquiry
My Account
Renesas 70V3599S166BCG
- Part No.:
- 70V3599S166BCG
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 256-LBGA
- Datasheet:
-
70V3599S166BCG.pdf
- Description:
- IC SRAM 4.5MBIT PAR 256CABGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,682
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
70V3599S166BCG from IDT (now Renesas) is a high-speed 128K × 36-bit synchronous dual-port static RAM with true dual-port architecture enabling simultaneous read/write access to the same memory location from independent left and right ports. It operates at 166MHz with 3.6ns clock-to-data-out (pipelined), supports selectable 3.3V or 2.5V I/O interfaces per port, and delivers 12Gbps aggregate bandwidth. It is used in high-throughput packet buffering for telecom line cards and FPGA co-processor memory subsystems.
For engineers reviewing the 70V3599S166BCG datasheet, 70V3599S166BCG pinout, 70V3599S166BCG application, or 70V3599S166BCG equivalent, key selection criteria include pipelined vs. flow-through output timing, independent VDDQ voltage selection per port, dual chip enable depth expansion capability, JTAG IEEE 1149.1 compliance, and industrial-grade thermal stability up to +85°C.
Technical Context
This device implements fully synchronous dual-port operation with registered address, data, and control inputs on both ports-enabling minimal setup/hold times (1.7ns setup, 0.5ns hold @ 166MHz) and sub-6ns cycle time. Its internal architecture includes dual independent address counters with repeat and enable features, separate byte enables for 9-bit-wide data lanes, and self-timed write logic to maintain fast cycle performance.
The memory supports configurable I/O voltage per port via OPTL/OPTR pins, allowing mixed-voltage system interfacing (e.g., 3.3V FPGA side ↔ 2.5V ASIC side). JTAG boundary-scan support enables in-system testability, while Dual Cycle Deselect (DCD) ensures clean pipelined output deactivation without bus contention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 128K × 36 bits (4.608 Mbit); supports 128K-word addressing with 36-bit parallel I/O per port |
| Max Clock Frequency | 166MHz (commercial grade only); enables 6ns cycle time and 12Gbps total bandwidth |
| Access Time | 3.6ns clock-to-data-out (pipelined mode); guarantees deterministic latency for real-time buffer applications |
| I/O Voltage Support | Selectable 3.3V (±150mV) or 2.5V (±100mV) per port via OPT pins; allows mixed-voltage board-level integration |
| Operating Temperature | Commercial range: 0°C to +70°C; not rated for industrial -40°C to +85°C at 166MHz |
| Power Supply | Core VDD = 3.3V ±150mV; independent VDDQL/VDDQR required per port's selected I/O voltage |
| JTAG Compliance | Fully compliant with IEEE 1149.1; supports boundary-scan testing of interconnects in dense PCB layouts |
Pinout & Package
70V3599S166BCG is packaged in a 256-pin Ball Grid Array (BGA) with 1.0mm ball pitch and 17mm × 17mm body size. The package supports high-density routing and thermal dissipation suitable for telecom and networking equipment.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKL / CLKR | Port Synchronous Clock Input | Edge-triggered master clock for left/right port register staging; all inputs sampled on rising edge |
| CE0L/CE1L, CE0R/CE1R | Dual Chip Enable Inputs | Enable depth expansion without external logic: CE0X=low + CE1X=high activates port X |
| PL/FTL / PL/FTR | Pipeline/Flow-Through Mode Select | DC-controlled mode selection: VIH = pipelined (1-cycle latency), VIL = flow-through (0-cycle latency) |
| OPTL / OPTR | I/O Voltage Option Control | Set VIH (3.3V) or VIL (0V) to configure corresponding VDDQX supply voltage (3.3V or 2.5V) |
| ADSL / ADSR | Address Strobe Enable | Latches current address into internal counter; enables burst-addressing without external address generation |
| REPEATL / REPEATR | Counter Repeat Control | Resets address counter to last valid ADS-loaded address-critical for circular buffer implementations |
| TCK, TMS, TDI, TDO, TRST | JTAG Test Interface | IEEE 1149.1-compliant boundary-scan chain for production test and debug of high-speed memory interconnects |
Key Features
| Feature | Design Value |
|---|---|
| True Dual-Port Memory Cells | Enables concurrent read/write to identical addresses-eliminates arbitration logic in shared-memory multiprocessor systems |
| Selectable Pipelined or Flow-Through Output | Configurable latency model: pipelined for maximum throughput (166MHz), flow-through for minimum latency (133MHz max) |
| Dual Independent Address Counters | Each port has dedicated counter with CNTEN/REPEAT controls-supports autonomous burst transfers and circular buffers |
| Separate Byte Enables (BE0–BE3) | Granular 9-bit byte masking per access-enables efficient partial writes without read-modify-write cycles |
| Dual Chip Enables per Port | Allows seamless depth expansion across multiple devices using only CE0/CE1 signals-no external decode logic required |
| Self-Timed Write Operation | Internal timing control eliminates external write-pulse width constraints-simplifies interface design with variable-clock controllers |
Applications
| Telecom Packet Buffering | FPGA Co-Processor Memory |
|---|---|
Use Scenario: Line card in 10G/40G Ethernet switch buffers ingress/egress packets between MAC and switching fabric. IC Role / Device Role / Timing Role: Dual-port SRAM acts as zero-latency shared buffer: left port accepts packet data from MAC, right port feeds switching engine-both operating concurrently at 166MHz. Use Value: 12Gbps aggregate bandwidth and 3.6ns pipelined access ensure no packet loss under full line-rate traffic; dual CE enables multi-chip buffering without glue logic. | Use Scenario: High-performance vision processing system where FPGA executes real-time algorithms and offloads intermediate results to external memory. IC Role / Device Role / Timing Role: 70V3599S166BCG serves as low-latency frame buffer: FPGA writes processed pixel blocks to left port while custom ASIC reads them from right port-synchronized via independent clocks. Use Value: Independent 3.3V/2.5V I/O per port allows direct connection to 3.3V FPGA I/O banks and 2.5V ASIC interfaces; JTAG support enables in-system verification of memory subsystem integrity. |
| Real-Time Signal Processing | Military Radar Data Acquisition |
Use Scenario: Digital downconverter (DDC) in software-defined radio processes wideband IF samples and stores decimated outputs for analysis. IC Role / Device Role / Timing Role: Left port captures decimated samples from DDC core at 133MHz; right port streams data to host processor via DMA-both ports active simultaneously. Use Value: Flow-through mode reduces read latency to <12ns, meeting hard real-time deadlines; separate byte enables allow selective storage of I/Q channel pairs without full-word writes. | Use Scenario: Phased-array radar front-end digitizes RF returns and buffers time-aligned pulse sequences before beamforming computation. IC Role / Device Role / Timing Role: Dual-port SRAM stores synchronized ADC samples: left port ingests 166MHz sample stream; right port supplies burst-mode reads to beamformer ASIC under precise timing control. Use Value: 166MHz operation sustains 12Gbps capture rate; industrial-grade thermal margin (though not rated at 166MHz for industrial temp) supports extended mission profiles with derated cooling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C1362BV33-166AXC | 128K × 36, 166MHz, 3.3V-only I/O (no 2.5V option), PQFP208 package | Lacks per-port VDDQ selection and JTAG; requires external voltage translation for mixed-voltage systems | Choose when board layout uses PQFP and system uses uniform 3.3V signaling-reduces BOM count but sacrifices interface flexibility. |
| IDT70V3599S133BCG | Same pinout and feature set, but rated for 133MHz across commercial and industrial temperatures (−40°C to +85°C) | Valid for extended temperature deployments where 166MHz is not required | Choose for ruggedized systems requiring guaranteed operation at −40°C/+85°C-same footprint, no redesign needed. |
Compared with CY7C1362BV33-166AXC, the 70V3599S166BCG offers per-port I/O voltage selection and JTAG testability, enabling more flexible system integration and higher test coverage; compared with IDT70V3599S133BCG, it trades industrial temperature support for +25% bandwidth-ideal for commercial telecom infrastructure where thermal management is controlled.
Availability
70V3599S166BCG is available at Aetrix Electronics and suitable for telecom infrastructure, FPGA-accelerated computing, and real-time signal processing applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for 70V3599S166BCG 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 (formerly Integrated Device Technology, IDT) is a global semiconductor leader specializing in high-performance timing, memory, and interface solutions for communications, computing, and industrial markets.
The IDT70V3599 product line was designed specifically for high-bandwidth, low-latency dual-access memory subsystems in telecom switches, radar processors, and FPGA-based accelerators-emphasizing deterministic timing, mixed-voltage interoperability, and JTAG testability.
FAQ
What is the maximum operating frequency of the 70V3599S166BCG and under what conditions?
The 70V3599S166BCG is rated for 166MHz operation in the commercial temperature range (0°C to +70°C) only. This requires VDD = 3.3V ±150mV, proper termination, and adherence to AC timing parameters including 1.7ns input setup and 0.5ns hold times. It is not specified for 166MHz operation at industrial temperatures (−40°C to +85°C); for that, the 133MHz variant (70V3599S133BCG) must be used.
Does the 70V3599S166BCG support independent I/O voltage selection on each port?
Yes, the 70V3599S166BCG supports independent I/O voltage selection per port via OPTL and OPTR pins. Setting OPTL = VIH (3.3V) configures the left port for 3.3V I/O operation with VDDQL = 3.3V; setting OPTR = VIL (0V) configures the right port for 2.5V I/O operation with VDDQR = 2.5V. This enables direct interfacing with mixed-voltage SoCs or FPGAs without level shifters.
How does the Dual Cycle Deselect (DCD) feature function in the 70V3599S166BCG?
The Dual Cycle Deselect (DCD) feature in the 70V3599S166BCG applies only in pipelined output mode and ensures clean deactivation of outputs. When chip enables (CE0X/CE1X) transition to deselect state, the outputs remain valid for two clock cycles before entering high-impedance-preventing bus contention during rapid enable/disable transitions in depth-expanded memory configurations.
Can the 70V3599S166BCG be used in industrial temperature applications?
The 70V3599S166BCG is qualified only for commercial temperature operation (0°C to +70°C) at 166MHz. For industrial temperature range (−40°C to +85°C), the functionally identical 70V3599S133BCG variant is specified-same pinout, features, and package, but rated for 133MHz. Using the 166MHz part outside its qualified temperature range may result in timing violations or data corruption.
What JTAG capabilities does the 70V3599S166BCG provide?
The 70V3599S166BCG provides full IEEE 1149.1-compliant JTAG boundary-scan functionality via dedicated TCK, TMS, TDI, TDO, and TRST pins. This enables in-system testing of PCB interconnects, verification of SRAM signal integrity, and debugging of high-speed memory interfaces-critical for validating complex telecom and defense electronics assemblies.
70V3599S166BCG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 256-LBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Dual Port, Synchronous
- Memory Size:
- 4.5Mbit
- Memory Organization:
- 128K x 36
- Memory Interface:
- Parallel
- Clock Frequency:
- 166 MHz
- Write Cycle Time - Word, Page:
- -
- Access Time:
- 3.6 ns
- Voltage - Supply:
- 3.15V ~ 3.45V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 256-CABGA (17x17)
70V3599S166BCG FAQ
1.How can I place an order for 70V3599S166BCG through Aetrix?
Please submit a Request for Quotation (RFQ) for 70V3599S166BCG 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 70V3599S166BCG reliable?
The price and inventory of 70V3599S166BCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 70V3599S166BCG is usually 5 days.
3.What payment methods are accepted for 70V3599S166BCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 70V3599S166BCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 70V3599S166BCG?
70V3599S166BCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 70V3599S166BCG 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 70V3599S166BCG?
For technical support, including 70V3599S166BCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 70V3599S166BCG requirements.
6.How does Aetrix verify that 70V3599S166BCG is sourced from the original manufacturer or authorized distributors?
All 70V3599S166BCG 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 70V3599S166BCG meets industry standards.
7.What is the process for return or replacement of 70V3599S166BCG?
All 70V3599S166BCG units undergo pre-shipment inspection (PSI). If there is an issue with 70V3599S166BCG, 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 70V3599S166BCG part is unused and in its original packaging.
Return procedure for 70V3599S166BCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
70V3599S166BCG 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
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
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…
