My Inquiry
My Account
Renesas 7132LA100C
- Part No.:
- 7132LA100C
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 48-DIP (0.600", 15.24mm)
- Datasheet:
-
7132LA100C.pdf
- Description:
- IC SRAM 16KBIT PARALLEL SB48
- Quantity:
- Payment:
- Shipping:
Inventory:3,114
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
7132LA100C from IDT is a high-speed 2K × 8 dual-port static RAM configured as a MASTER device with on-chip arbitration logic, BUSY output flag (open-drain), 100 ns max read/write cycle time, 5 V ±10% single supply, and industrial temperature range (–40°C to +85°C). It enables error-free 16-bit-or-wider memory expansion when paired with IDT7142 SLAVE devices in real-time control systems requiring concurrent access.
For engineers reviewing the 7132LA100C datasheet, 7132LA100C pinout, 7132LA100C application, or 7132LA100C equivalent, this page delivers verified timing parameters, validated pin functions, confirmed battery backup capability (2 V data retention), and precise Master/Slave interface constraints for deterministic arbitration design.
Technical Context
The 7132LA100C implements asynchronous dual-port architecture with independent left/right address, control, and I/O buses, supporting simultaneous read/write operations to any memory location. Its on-chip arbitration logic resolves port contention via BUSY signaling-asserted when both ports access the same address-and guarantees deterministic priority based on signal arrival timing (tAPS = 5 ns).
As a low-power LA variant, it achieves 1 µA full-standby current (ISB3) at CMOS-level inputs and retains data at 2 V (VDR), enabling battery-backed operation. The open-drain BUSY outputs require 270 Ω pull-up resistors and are active only in MASTER configuration-BUSYL and BUSYR function as outputs, not inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 2K × 8 bits (2048 words × 8-bit wide), sufficient for real-time buffer storage in dual-CPU or DMA+processor architectures |
| Access Time | 100 ns max tRC (read cycle time), defining minimum clock period for synchronous interface integration |
| Supply Voltage | 5.0 V ±10% (4.5–5.5 V), compatible with legacy TTL and 5 V microcontroller buses without level shifting |
| Standby Current | 1 µA (ISB3, both ports, CMOS inputs), enabling ultra-low-power hold mode during system sleep states |
| Data Retention | 2.0 V minimum VDR, allowing backup from coin-cell batteries (e.g., CR2032) with guaranteed data integrity |
| Operating Temp | –40°C to +85°C (industrial grade), qualified for deployment in motor drives, industrial PLCs, and outdoor communications equipment |
| Arbitration Logic | On-chip hardware arbitration with tAPS = 5 ns setup time, eliminating need for external glue logic in contention resolution |
Pinout & Package
7132LA100C is packaged in a 48-pin Flatpack (FP48) with 0.75″ × 0.75″ footprint and 0.11″ height, suitable for high-reliability military/industrial PCBs requiring hermetic sealing and thermal stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CEL / CER | Chip Enable (Left/Right) | Active-low enable per port; controls power-down entry (ISB1–ISB4) and BUSY arbitration activation |
| OEL / OER | Output Enable (Left/Right) | Active-low tri-state control for I/O pins; decouples bus drivers during inactive cycles to prevent contention |
| R/WL / R/WR | Read/Write Control (Left/Right) | Active-low write strobe; determines direction of data transfer on respective port's I/O lines |
| BUSYL / BUSYR | BUSY Flag (Left/Right) | Open-drain outputs indicating port contention; require 270 Ω pull-up; used to stall external controllers |
| A0L–A10L / A0R–A10R | Address Inputs (Left/Right) | 11-bit address buses selecting one of 2048 memory locations independently per port |
| I/O0L–I/O7L / I/O0R–I/O7R | Data I/O (Left/Right) | Bidirectional 8-bit data paths; high-impedance when OE or CE inactive, enabling shared bus topologies |
| VCC / GND | Power Supply | Single 5 V supply with multiple VCC/GND pins for noise reduction and stable core voltage delivery |
Key Features
| Feature | Design Value |
|---|---|
| Master arbitration logic | Hardware-based port conflict resolution with deterministic priority, removing software polling or external logic gates |
| Battery backup support | Guaranteed 2 V data retention (VDR), enabling seamless switchover to backup power without data loss |
| Low-power LA variant | 1 µA full-standby current (ISB3) reduces system-level power budget in always-on embedded applications |
| Open-drain BUSY outputs | Wired-OR capability across multiple masters/slaves simplifies system-level BUSY bus implementation |
| Independent port control | Fully asynchronous operation allows one port to read while the other writes to different addresses with zero latency penalty |
Applications
| Motor Control Buffering | Dual-Processor Communication |
|---|---|
|
Use Scenario: Real-time servo loop updates require concurrent access to shared position/velocity tables by FPGA motion controller and ARM-based safety monitor. IC Role / Device Role / Timing Role: 7132LA100C acts as MASTER dual-port RAM providing deterministic arbitration between two independent processing domains. Use Value: Eliminates software handshake overhead and guarantees atomic read-modify-write sequences during critical motion phases. |
Use Scenario: Industrial PLC executes ladder logic on one CPU while diagnostics run on a second CPU, sharing I/O state maps. IC Role / Device Role / Timing Role: 7132LA100C serves as shared memory hub with separate left/right buses mapped to each CPU's native address space. Use Value: Enables lock-free inter-processor communication with hardware-enforced consistency on shared variables. |
| Redundant Data Acquisition | Legacy Bus Bridge Interface |
|
Use Scenario: Dual ADC streams (primary + backup) feed into synchronized buffers before transmission over CAN FD. IC Role / Device Role / Timing Role: 7132LA100C stores interleaved samples from two independent acquisition channels with no cross-port interference. Use Value: Provides glitch-free sample alignment using hardware arbitration, avoiding timestamp skew in fault-tolerant systems. |
Use Scenario: Integrating modern microcontroller with legacy 8-bit ISA bus peripherals requiring 5 V timing compliance. IC Role / Device Role / Timing Role: 7132LA100C bridges timing domains: left port interfaces to ISA, right port connects to MCU's 5 V parallel bus. Use Value: Maintains 100 ns access timing for ISA-compatible peripherals while isolating MCU from bus contention delays. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C133-100AXC | 100 ns access, 2K × 8, but lacks on-chip arbitration logic and BUSY outputs; requires external logic for contention management | Suitable for non-contention dual-access use cases only; cannot replace 7132LA100C in MASTER/SLAVE expansion topologies | Select only if arbitration is handled externally and board layout allows added discrete components |
| IDT7142LA100C | Same speed, package, and LA power profile, but SLAVE-only: BUSY pins are inputs, no arbitration logic, no BUSY outputs | Designed exclusively as companion to 7132LA100C in width-expanded systems; cannot operate standalone as MASTER | Use only in paired configurations where 7132LA100C provides arbitration and 7142LA100C extends data width |
Compared with CY7C133-100AXC, the 7132LA100C integrates arbitration and eliminates external logic; compared with IDT7142LA100C, it provides essential MASTER functionality including BUSY generation and priority resolution-making it irreplaceable in asymmetric dual-port memory systems.
Availability
7132LA100C is available at Aetrix Electronics and suitable for industrial motor control, redundant data acquisition, and dual-processor communication systems requiring stable component supply, long-term lifecycle support, and MIL-PRF-38535-compliant reliability.
Supply support for 7132LA100C 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
IDT (Integrated Device Technology) is a fabless semiconductor company specializing in high-performance memory, timing, and interface solutions for industrial, communications, and computing markets.
The IDT7132/7142 product line was designed specifically for deterministic dual-processor and real-time control applications requiring concurrent, contention-free memory access without software intervention.
FAQ
What is the maximum operating temperature range for the 7132LA100C?
The 7132LA100C is rated for industrial temperature operation from –40°C to +85°C, validated across all electrical parameters including 100 ns timing, standby current, and data retention. This range supports deployment in factory automation, transportation electronics, and outdoor infrastructure where ambient thermal stress exceeds commercial-grade limits.
Does the 7132LA100C support battery backup, and what voltage is required?
Yes, the 7132LA100C supports battery backup with guaranteed data retention at VCC = 2.0 V (VDR), as specified in Table 6. This enables operation from standard 2 V lithium coin cells during main power failure. The LA variant's 1 µA ISB3 current ensures multi-year retention life under backup conditions.
How does the BUSY arbitration logic work in the 7132LA100C?
The 7132LA100C's on-chip arbitration asserts BUSYL or BUSYR when both ports access the same address, using tAPS = 5 ns priority setup time to determine which port proceeds. As a MASTER, it generates open-drain BUSY outputs-requiring 270 Ω pull-ups-to stall external controllers, eliminating need for external arbitration logic in the 7132LA100C system design.
Can the 7132LA100C be used without external pull-up resistors on BUSY pins?
No-BUSYL and BUSYR are open-drain outputs per Note 1 and Figure 3, mandating 270 Ω pull-up resistors to 5 V for proper logic-level assertion. Omitting these resistors results in undefined BUSY state, causing undetected port contention and potential data corruption in the 7132LA100C memory array.
What package types are available for the 7132LA100C, and which is most common for industrial use?
The 7132LA100C is available in 48-pin Flatpack (FP48), 48-pin LCC (LC48), 48-pin DIP (PDG48/SB48), and 52-pin PLCC (PLG52). FP48 is most common for industrial use due to its hermetic seal, thermal stability, and MIL-PRF-38535 QML compliance-critical for high-reliability applications where moisture ingress or thermal cycling must be mitigated in the 7132LA100C deployment.
7132LA100C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 48-DIP (0.600", 15.24mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Dual Port, Asynchronous
- Memory Size:
- 16Kbit
- Memory Organization:
- 2K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 100ns
- Access Time:
- 100 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 48-SIDE BRAZED
7132LA100C FAQ
1.How can I place an order for 7132LA100C through Aetrix?
Please submit a Request for Quotation (RFQ) for 7132LA100C 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 7132LA100C reliable?
The price and inventory of 7132LA100C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 7132LA100C is usually 5 days.
3.What payment methods are accepted for 7132LA100C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 7132LA100C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 7132LA100C?
7132LA100C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 7132LA100C 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 7132LA100C?
For technical support, including 7132LA100C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 7132LA100C requirements.
6.How does Aetrix verify that 7132LA100C is sourced from the original manufacturer or authorized distributors?
All 7132LA100C 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 7132LA100C meets industry standards.
7.What is the process for return or replacement of 7132LA100C?
All 7132LA100C units undergo pre-shipment inspection (PSI). If there is an issue with 7132LA100C, 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 7132LA100C part is unused and in its original packaging.
Return procedure for 7132LA100C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
7132LA100C 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…
