IS42S83200B-7TLI

The IS42S83200B-7TLI is a 256 Mbit synchronous DRAM organized as 32M × 8 with a parallel LVTTL interface. It is a fully synchronous, quad-bank SDRAM designed for high-speed burst transfers with internal bank interleaving and pipeline architecture.

This device is optimized for designs requiring programmable burst lengths and CAS latencies, and it is available in a 54-pin TSOP-II package with an industrial operating temperature range for use in temperature-challenging environments.

Key Features

• Memory Core  256 Mbit SDRAM organized as 32M × 8 with four internal banks to support interleaved access and row precharge hiding.
• Performance  Supports clock frequencies of 166, 143 and 133 MHz (the -7 speed grade corresponds to 143 MHz). Access time from clock is 5.4 ns at CAS latency = 3.
• Burst and Latency  Programmable burst lengths (1, 2, 4, 8, full page) and selectable burst sequences (sequential/interleave). Programmable CAS latency options of 2 and 3 clocks.
• Interface & Operation  Fully synchronous operation with all signals referenced to the rising edge of CLK; LVTTL-compatible inputs and random column address capability every clock cycle.
• Power  Designed for 3.0 V to 3.6 V operation (datasheet indicates VDD = 3.3 V / VDDQ = 3.3 V for the IS42S83200B family).
• Refresh & Power Management  Auto Refresh (CBR), Self Refresh and 8K refresh cycles every 64 ms; includes power-down mode and auto precharge support.
• Package & Temperature  Supplied in a 54-pin TSOP-II (0.400", 10.16 mm width) package and specified for an operating temperature range of −40 °C to 85 °C (TA).
• Options  Available in industrial temperature grades and offered in lead-free versions according to the device family notes.

Typical Applications

• High-speed buffering and caching  Burst read/write capability and programmable burst lengths enable high-throughput temporary storage and data buffering in synchronous systems.
• System memory for parallel interfaces  Fully synchronous LVTTL interface and random column access each clock cycle facilitate integration into parallel memory subsystems.
• Industrial equipment  Industrial temperature rating (−40 °C to 85 °C) allows use in temperature-challenging control and instrumentation platforms.
• Space-constrained PCB designs  54-pin TSOP-II packaging provides a compact footprint for designs requiring board-level SDRAM density.

Unique Advantages

• Flexible burst control: Programmable burst lengths and sequence options let designers tune transfer patterns for application-specific throughput and latency.
• Bank interleave architecture: Four internal banks and internal precharge mechanisms help hide row access times and improve sustained data throughput.
• Multiple speed grades: Available clock frequency grades (166, 143, 133 MHz) and CAS latency options provide performance scalability for different design targets.
• Industrial temperature availability: Specified operation from −40 °C to 85 °C supports deployment in harsh or wide-temperature environments.
• Compact package: 54-pin TSOP-II (0.400", 10.16 mm) offers a small-footprint solution for board-level memory expansion.
• Power management features: Auto Refresh, Self Refresh and power-down modes reduce system-level power during idle periods.

Why Choose IS42S83200B-7TLI?

The IS42S83200B-7TLI combines synchronous, pipelined SDRAM architecture with programmable burst and latency options to deliver predictable, high-speed memory performance for parallel interface systems. Its quad-bank internal organization and automatic precharge modes enable efficient, continuous data transfers while minimizing access penalties.

With support for industry-standard 3.0–3.6 V supplies (datasheet nominal VDD = 3.3 V), LVTTL signaling, industrial temperature rating, and a compact 54-pin TSOP-II package, this device is well-suited for designs that require reliable, scalable volatile memory in constrained footprints and temperature-challenging environments.

Request a quote or submit a sales inquiry to obtain pricing, availability and additional product options for the IS42S83200B-7TLI.