Datasheet > NM93C46ATEM8

NM93C46ATEM8

更新时间： 2024-10-30 23:54:07

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
13页	114K
描述
Microwire Serial EEPROM

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中文翻译

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数据手册

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NM93C46ATEM8 数据手册

February 2000

NM93C46A

1K-Bit Serial CMOS EEPROM

(MICROWIRE™ Synchronous Bus)

General Description

Features

NM93C46A is a 1024-bit CMOS non-volatile EEPROM organized

as 64 x 16-bit array. This device features MICROWIRE interface

which is a 4-wire serial bus with chipselect (CS), clock (SK), data

input (DI) and data output (DO) signals. This interface is compat-

ible to many of standard Microcontrollers and Microprocessors.

This device offers a pin (ORG), using which, the user can select

the format of the data (16-bit or 8-bit). If ORG is tied to GND, then

8-bit format is selected, while if ORG is tied to V_CC, then 16-bit

format is selected. There are 7 instructions implemented on the

NM93C46A for various Read, Write, Erase, and Write Enable/

Disable operations. This device is fabricated using Fairchild

Semiconductor floating-gate CMOS process for high reliability,

high endurance and low power consumption.

I Wide V_CC2.7V - 5.5V

I User selectable organization

x16 (ORG = 1)

x8 (ORG = 0)

I Typical active current of 200µA

10µA standby current typical

1µA standby current typical (L)

0.1µA standby current typical (LZ)

I No Erase instruction required before Write instruction

I Self timed write cycle

I Device status during programming cycles

I 40 year data retention

“LZ” and “L” versions of NM93C46A offer very low standby current

making them suitable for low power applications. This device is

offered in both SO and TSSOP packages for small space consid-

erations.

I Endurance: 1,000,000 data changes

I Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP

Functional Diagram

V_CC

INSTRUCTION

DECODER

CONTROL LOGIC

AND CLOCK

GENERATORS

INSTRUCTION

HIGH VOLTAGE

GENERATOR

AND

PROGRAM

TIMER

ADDRESS

ORG

DECODER

EEPROM ARRAY

READ/WRITE AMPS

V_SS

DATA IN/OUT REGISTER

16/8 BITS

DATA OUT BUFFER

NM93C46A Rev. F

www.fairchildsemi.com

12 3 4 5 6 7...13

中文翻译

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