IS46DR16320D-25DBA2

The IS46DR16320D-25DBA2 is a 512 Mbit DDR2 SDRAM device organized as 32M × 16 with a parallel DDR2 interface. It implements a double-data-rate architecture with 4-bit prefetch and an on-chip DLL to support high-speed synchronous data transfers.

Designed for system memory applications that require a compact 84-ball WBGA footprint, the device offers programmable timing, on-die termination and adjustable drive strength for flexible integration across designs operating from 1.7 V to 1.9 V and ambient temperatures from -40°C to 105°C.

Key Features

• Core architecture  Double-data-rate DDR2 interface with 4-bit prefetch and on-chip DLL to align DQ and DQS transitions with CK.
• Memory organization  512 Mbit density in a 32M × 16 configuration with 4 internal banks for concurrent operation.
• Performance  Rated clock frequency 400 MHz with an access time of 400 ps and write cycle time (word/page) of 15 ns.
• Timing flexibility  Programmable CAS latency (CL) options 3, 4, 5 and 6; programmable additive latency and posted CAS support; selectable burst lengths of 4 or 8.
• Signal integrity  On-die termination (ODT) and adjustable data-output drive strength provide options to tune signal performance.
• Power  Supports 1.7 V to 1.9 V supply range (1.8 V ±0.1 V noted in datasheet) suitable for standard DDR2 I/O signaling.
• Package  84-ball TWBGA (8 mm × 12.5 mm) supply-device package for compact board-level integration.
• Operating range  Specified ambient temperature range from -40°C to 105°C (TA).

Typical Applications

• System memory for embedded platforms  512 Mbit DDR2 density and parallel interface provide a compact memory option for embedded designs requiring synchronous DDR2 memory.
• Networking and communications equipment  Parallel DDR2 interface and programmable timing make the device applicable where deterministic memory timing and fast data transfers are required.
• Industrial controllers  Wide ambient temperature range and robust package options support integration into industrial electronics with extended temperature needs.

Unique Advantages

• Flexible timing options: Programmable CAS latencies, additive latency and burst length selection allow tuning for system performance and compatibility.
• Signal integrity features: On-die termination and adjustable drive strength provide practical means to address board-level signal quality without additional external components.
• Compact package: 84-ball TWBGA (8 mm × 12.5 mm) enables high-density PCB designs where board space is constrained.
• Low-voltage DDR2 operation: Operates across a 1.7 V–1.9 V supply window consistent with DDR2 signaling requirements.
• Robust operating range: Specified for ambient temperatures down to -40°C and up to 105°C, suitable for designs targeting extended temperature environments.

Why Choose IS46DR16320D-25DBA2?

The IS46DR16320D-25DBA2 delivers a focused DDR2 SDRAM solution for designs that require 512 Mbit of synchronous parallel memory in a compact WBGA package. Its programmable timing, on-die termination and drive-strength options provide the configuration flexibility needed to match diverse board-level implementations and signal integrity requirements.

This device is appropriate for engineers and procurement teams seeking a verified DDR2 memory component with defined electrical and timing characteristics, a wide operating temperature range, and a compact 84-ball package for space-constrained applications.

Request a quote or submit a sales inquiry to receive pricing, availability, and additional integration support for the IS46DR16320D-25DBA2.