W2465S-70LL

Standard SRAM, 8KX8, 70ns, CMOS, PDSO28, 0.330 INCH, SOP-28
6,242 有效庫存

W2465S-70LL

有效庫存6,242

Standard SRAM, 8KX8, 70ns, CMOS, PDSO28, 0.330 INCH, SOP-28

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W2465S-70LL 數據表
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W2465S-70LL 詳細說明

GENERAL DESCRIPTION The W2465 is a slow-speed, low-power CMOS static RAM organized as 8192 ´ 8 bits that operates on a single 5-volt power supply. This device is manufactured using Winbond's high performance CMOS technology.FEATURES · Low power consumption: - Active: 250 mW (max.) - Standby: 100 mW (max.)(LL-version) 250 mW (max.)(L-version) · Access time: 70/100 nS (max.) · Single +5V power supply · Fully static operation · All inputs and outputs directly TTL compatible · Three-state outputs · Battery back-up operation capability · Data retention voltage: 2V (min.) · Available packages: 28-pin 600 mil DIP, 330 mil SOP and 300 mil skinny DIP

主要特徵

  • · Low power consumption:
  • - Active: 250 mW (max.)
  • - Standby: 100 mW (max.)(LL-version)
  • 250 mW (max.)(L-version)
  • · Access time: 70/100 nS (max.)
  • · Single +5V power supply
  • · Fully static operation
  • · All inputs and outputs directly TTL compatible
  • · Three-state outputs
  • · Battery back-up operation capability
  • · Data retention voltage: 2V (min.)
  • · Available packages: 28-pin 600 mil DIP, 330 mil SOP and 300 mil skinny DIP

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Rohs Code No Part Life Cycle Code Obsolete
Part Package Code SOIC Pin Count ! 28
Reach Compliance Code not_compliant ECCN Code EAR99
HTS Code ! 8542.32.00.41 Access Time-Max 70 ns
I/O Type COMMON JESD-30 Code R-PDSO-G28
JESD-609 Code e0 Length 18.11 mm
Memory Density 65536 bit Memory IC Type STANDARD SRAM
Memory Width 8 Number of Functions 1
Number of Ports ! 1 Number of Terminals 28
Number of Words 8192 words Number of Words Code 8000
Operating Mode ! ASYNCHRONOUS Operating Temperature-Max 70 °C
Operating Temperature-Min Organization 8KX8
Output Characteristics 3-STATE Output Enable YES
Package Body Material PLASTIC/EPOXY Package Code SOP
Package Equivalence Code SOP28,.45 Package Shape RECTANGULAR
Package Style SMALL OUTLINE Parallel/Serial PARALLEL
Power Supplies ! 5 V Qualification Status ! Not Qualified
Seated Height-Max 2.85 mm Standby Current-Max 0.00001 A
Standby Voltage-Min 2 V Supply Current-Max 0.07 mA
Supply Voltage-Max (Vsup) 5.5 V Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V Surface Mount ! YES
Technology CMOS Temperature Grade ! COMMERCIAL
Terminal Finish TIN LEAD Terminal Form ! GULL WING
Terminal Pitch ! 1.27 mm Terminal Position DUAL
Width 8.41 mm

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 W2465S-70LL PDF 下載

常見問題解答

What is W2465S-70LL?

The W2465S-70LL is a 65,536-word by 16-bit high-speed CMOS static RAM (SRAM) manufactured by Winbond. It is designed for high-performance memory applications that require fast access times and low power consumption.

How Does W2465S-70LL Work?

The W2465S-70LL works by storing digital data in a non-volatile, static form. It provides quick access times and retains its data without the need for periodic refreshing, making it suitable for applications that demand high-speed read and write operations.

How Many Pins does W2465S-70LL have and What are the Functions of the Pinout Configuration?

The W2465S-70LL is housed in a 28-pin SOP (Small Outline Package). The pinout configuration includes:

  • Address Inputs (A0-A15): These pins are used to input the memory address for read or write operations.
  • Data Inputs/Outputs (DQ0-DQ15): These pins are used to transfer data into and out of the memory.
  • Control Inputs (CE1, CE2, OE, WE): These pins control the chip enable, output enable, and write enable functions of the memory.
  • Power and Ground (Vcc, Vss): These pins provide the power supply and ground connections for the memory.
  • Other Control Pins (BYTE, UB, LB, NC): These pins provide additional control functions and are used for byte write operations and other memory control.

What are the Pros and Cons of W2465S-70LL?

Pros:

  • High Speed: Offers fast access times, making it suitable for high-performance applications.
  • Low Power Consumption: Enables energy-efficient operation, ideal for battery-powered devices.
  • Non-Volatile: Retains data without the need for refreshing, ensuring data integrity.
  • Wide Temperature Range: Can operate over a wide temperature range, suitable for harsh environments.
  • Space-Efficient Package: The 28-pin SOP package is compact and suitable for space-constrained designs.

Cons:

  • Cost: High-speed, non-volatile memory may have a higher cost compared to alternative memory technologies.
  • Complex Interface: Requires careful consideration of address mapping and control signal timing for optimal performance.
  • Availability: Specific versions or package types may have limited availability.

Are There Any Equivalents/Alternatives to W2465S-70LL for Recommendation?

  • The AS6C4008 from Alliance Memory is a similar 512K x 8 CMOS SRAM with compatible features.
  • Alternatives to the W2465S-70LL include the CY62128EV30 from Cypress Semiconductor and the FM1608 from Ramtron (now Cypress Semiconductor).

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