Datasheet Details
| Part number | IDT71V2558S |
|---|---|
| Manufacturer | Integrated Device Technology |
| File Size | 578.14 KB |
| Description | 3.3V Synchronous ZBT SRAMs 2.5V I/O |
| Datasheet | IDT71V2558S IDT71V2556S Datasheet (PDF) |
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Overview: 128K x 36, 256K x 18 3.3V Synchronous ZBT™ SRAMs 2.5V I/O, Burst Counter Pipelined Outputs 128K x 36, 256K x 18 memory configurations x Supports high performance system speed - 200 MHz (3.2 ns Clock-to-Data Access) x ZBTTM Feature - No dead cycles between write and read cycles x Internally synchronized output buffer enable eliminates the need to control OE x .. Single R/W (READ/WRITE) control pin x Positive clock-edge triggered address, data, and control signal registers for fully pipelined applications x 4-word burst capability (interleaved or linear) x Individual byte write (BW1 - BW4) control (May tie active) x Three chip enables for simple depth expansion x 3.3V power supply (±5%), 2.5V I/O Supply (VDDQ) x Optional - Boundary Scan JTAG Interface (IEEE 1149.
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | IDT71V2558S |
|---|---|
| Manufacturer | Integrated Device Technology |
| File Size | 578.14 KB |
| Description | 3.3V Synchronous ZBT SRAMs 2.5V I/O |
| Datasheet | IDT71V2558S IDT71V2556S Datasheet (PDF) |
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The IDT71V2556/58 are 3.3V high-speed 4,718,592-bit (4.5 Megabit) synchronous SRAMS.
They are designed to eliminate dead bus cycles when turning the bus around between reads and writes, or writes and reads.
Thus, they have been given the name ZBTTM, or Zero Bus Turnaround.
| Part Number | Description |
|---|---|
| IDT71V2558SA | 3.3V Synchronous ZBT SRAMs 2.5V I/O |
| IDT71V2546SA | 128K x 36/ 256K x 18 3.3V Synchronous ZBT SRAMs 2.5V I/O/ Burst Counter Pipelined Outputs |
| IDT71V2548S | 128K x 36/ 256K x 18 3.3V Synchronous ZBT SRAMs 2.5V I/O/ Burst Counter Pipelined Outputs |
| IDT71V2548SA | 128K x 36/ 256K x 18 3.3V Synchronous ZBT SRAMs 2.5V I/O/ Burst Counter Pipelined Outputs |
| IDT71V256SA | LOW POWER 3.3V CMOS FAST SRAM 256K |
| IDT71V256SB | 3.3V CMOS FAST SRAM WITH 2.5V COMPATIBLE INPUTS 256K (32K x 8-BIT) |
| IDT71V2576S | 128K X 36/ 256K X 18 3.3V Synchronous SRAMs 2.5V I/O/ Pipelined Outputs/ Burst Counter/ Single Cycle Deselect |
| IDT71V2576SA | 128K X 36/ 256K X 18 3.3V Synchronous SRAMs 2.5V I/O/ Pipelined Outputs/ Burst Counter/ Single Cycle Deselect |
| IDT71V2578S | 128K X 36/ 256K X 18 3.3V Synchronous SRAMs 2.5V I/O/ Pipelined Outputs/ Burst Counter/ Single Cycle Deselect |
| IDT71V2578SA | 128K X 36/ 256K X 18 3.3V Synchronous SRAMs 2.5V I/O/ Pipelined Outputs/ Burst Counter/ Single Cycle Deselect |