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TC55V8128BFT-12 from TOSHIBA

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TC55V8128BFT-12

Manufacturer: TOSHIBA, TOS

TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS

Partnumber Manufacturer Quantity Availability
TC55V8128BFT-12,TC55V8128BFT12 TOSHIBA, TOS 1415 In Stock

Description and Introduction

TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS The **TC55V8128BFT-12** is a **64M (8M x 8-bit) CMOS Synchronous DRAM (SDRAM)** manufactured by **Toshiba**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 8M words × 8 bits  
- **Density:** 64M (67,108,864 bits)  
- **Supply Voltage:** 3.3V ± 0.3V  
- **Access Time:** 12ns (CL=3)  
- **Package:** 54-pin TSOP (Type II)  
- **Refresh Cycles:** 4,096 (64ms refresh interval)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  

### **Descriptions:**
- **Synchronous Operation:** Clock-controlled for high-speed data transfer.  
- **Burst Mode Support:** Programmable burst lengths (1, 2, 4, 8, or full page).  
- **Auto Refresh & Self Refresh:** Supports power-saving modes.  
- **CAS Latency Options:** 2 or 3 (programmable).  
- **Single 3.3V Power Supply:** Low-power CMOS design.  

### **Features:**
- **High-Speed Performance:** 12ns clock cycle time (83MHz operation).  
- **Four-Bank Architecture:** Enables concurrent operations.  
- **LVTTL-Compatible I/O:** Supports standard interface levels.  
- **Write Mask Control:** Byte-wise write operations.  
- **Industrial Standard Pinout:** Compatible with JEDEC standards.  

This SDRAM is designed for applications requiring high-speed, low-power memory, such as networking, computing, and embedded systems.  

(Source: Toshiba datasheet for TC55V8128BFT-12)

Application Scenarios & Design Considerations

TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS

Alternative Part Number

  • IS61LV12816-12T --: 128K x 8 asynchronous SRAM with 12 ns access time, functionally equivalent to the TC55V8128BFT-12 and widely available.
  • CY7C1019DV33-12ZSX --: 128K x 8 low-power SRAM with 12 ns speed grade, pin-compatible replacement for the Toshiba part.
  • AS7C31026B-12TCN --: 128K x 8 SRAM with 12 ns access time, drop-in alternative often used to replace Toshiba TC55V series devices.
  • IS61LV256-12T --: 32K x 8 asynchronous SRAM with 12 ns access time, functionally compatible with the TC55V8128BFT-12 in most applications.
  • CY7C199-12PC --: 32K x 8 high-speed SRAM with 12 ns access time, widely available and a common drop-in replacement for similar Toshiba SRAMs.
  • AS7C256-12PC --: 32K x 8 SRAM with 12 ns speed grade, pin-compatible alternative often used to replace legacy Toshiba SRAM parts.

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