AT17LV512A-10JI

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AT17LV512A-10JI

IC CONFIG SEEPROM 512K 20PLCC

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規格

Supplier Microchip Technology
Package Tube
ProductStatus Obsolete
ProgrammableType Serial EEPROM
MemorySize 512kb
Voltage-Supply 3V ~ 3.6V, 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 20-LCC (J-Lead)

概述

Description

AT17LV512A-10JI is a low‑voltage, 512‑kilobit static RAM from Atmel (now Microchip). It provides a 64K × 8 organization (address lines A0–A15; data I/O DQ0–DQ7) with standard SRAM control signals: /CS, /WE, and /OE. The -10 indicates a 10 ns access time, and it operates from a low voltage supply (typical LV range: 2.7–3.6 V). It is an asynchronous SRAM with three‑state outputs and no refreshing required, making it suitable for fast random‑access storage in embedded designs.
Key points
- Capacity/organization: 512 Kbit, 64K × 8
- Interface: A0–A15, DQ0–DQ7, /CS, /WE, /OE (3-state outputs)
- Speed/voltage: 10 ns typical access time; 2.7–3.6 V supply
- Package variant: -JI denotes a specific leaded package option
- Applications: caches, buffers, frame buffers, microcontroller memory
For exact pinout, timings, power figures, and packaging details, consult the official datasheet.

Features

AT17LV512A-10JI features (concise):
- 512 Kb SRAM, organized 64K × 8
- Low-voltage operation: 2.7V–3.6V (LV family)
- Fast access time: 10 ns (tAA)
- Fully static memory, no-clock design
- Three control signals: CE (active low), OE (active low), WE (active low)
- 3-state data outputs (high-Z when not enabled)
- Low power CMOS operation (standby/current options)
- 32-pin JI package variant (density and pinout per AT17LV512A family)
Note: exact voltage range and current specs may vary by package and conditions; refer to the datasheet for precise values.

Package

28-pin SOIC (Plastic Small Outline) package.

Pinout

- Pin count: 28 pins (28‑pin package, e.g., SOP/SOIC)
- Function: 512 Kbit (64K × 8) low‑voltage static RAM (SRAM) with asynchronous access
- Address lines: A0–A15
- Data lines: DQ0–DQ7
- Control: CE (chip enable), OE (output enable), WE (write enable)
- Power: Vcc and GND
- Speed: -10 indicates 10 ns access time
- Outputs are tri‑stated when not enabled.

Manufacturer

- Manufacturer: Atmel Corporation.
- What kind of company: A semiconductor company that designs and manufactures memory ICs and microcontrollers (now a subsidiary of Microchip Technology since 2016).

Application

- General-purpose SRAM for microcontrollers, CPUs, FPGAs, DSPs
- Frame buffers for video/graphics
- Data buffering between fast peripherals and slower memory
- Look-up tables and firmware/data storage
- Cache memory in embedded systems
- Networking/telecom, consumer electronics, automotive/industrial applications
- Operates at 3.3V LV for portable/low-power designs

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