Datasheet > 93LC46-I/MS

93LC46-I/MS

更新时间： 2024-01-21 00:59:29

品牌	Logo	应用领域
美国微芯 - MICROCHIP		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时钟光电二极管内存集成电路
页数	文件大小	规格书
20页	510K
描述
64 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8, PLASTIC, MSOP-8

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93LC46-I/MS 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	MSOP
包装说明：	PLASTIC, MSOP-8	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.32.00.51	风险等级：	5.42
备用内存宽度：	8	最大时钟频率 (fCLK)：	2 MHz
JESD-30 代码：	S-PDSO-G8	JESD-609代码：	e3
长度：	3 mm	内存密度：	1024 bit
内存集成电路类型：	EEPROM	内存宽度：	16
湿度敏感等级：	1	功能数量：	1
端子数量：	8	字数：	64 words
字数代码：	64	工作模式：	SYNCHRONOUS
最高工作温度：	85 °C	最低工作温度：	-40 °C
组织：	64X16	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	并行/串行：	SERIAL
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1.18 mm	串行总线类型：	MICROWIRE
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	2.5 V
标称供电电压 (Vsup)：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	40	宽度：	3 mm
Base Number Matches：	1

93LC46-I/MS 数据手册

93XX46, 93XX46A/B

2.2

Data In/Data Out (DI/DO)

2.0

FUNCTIONAL DESCRIPTION

It is possible to connect the Data In and Data Out pins

together. However, with this configuration it is possible

for a “bus conflict” to occur during the “dummy zero”

that precedes the READ operation, if A0 is a logic

HIGH level. Under such a condition the voltage level

seen at Data Out is undefined and will depend upon the

relative impedances of Data Out and the signal source

driving A0. The higher the current sourcing capability of

A0, the higher the voltage at the Data Out pin.

When the ORG* pin is connected to VCC, the (x16)

organization is selected. When it is connected to

ground, the (x8) organization is selected. Instructions,

addresses and write data are clocked into the DI pin on

the rising edge of the clock (CLK). The DO pin is nor-

mally held in a high-Z state except when reading data

from the device, or when checking the READY/BUSY

status during a programming operation. The ready/

busy status can be verified during an Erase/Write oper-

ation by polling the DO pin; DO low indicates that pro-

gramming is still in progress, while DO high indicates

the device is ready. The DO will enter the high-Z state

on the falling edge of the CS.

2.3

Data Protection

During power-up, all programming modes of operation

are inhibited until V^CCexceeds a typical voltage level of

1.5V for 'AA' and 'LC' devices or 3.8V for 'C' devices.

2.1

START Condition

During power-down, the source data protection cir-

cuitry acts to inhibit all programming modes when V^CC

falls below 1.4V for 'AA' and 'LC' devices or 3.5V for 'C'

devices.

The START bit is detected by the device if CS and DI

are both HIGH with respect to the positive edge of CLK

for the first time.

Before a START condition is detected, CS, CLK, and DI

may change in any combination (except to that of a

START condition), without resulting in any device oper-

ation (READ, WRITE, ERASE, EWEN, EWDS, ERAL,

and WRAL). As soon as CS is HIGH, the device is no

longer in the Standby mode.

The EWEN and EWDS commands give additional

protection against accidentally programming during

normal operation.

After power-up, the device is automatically in the

EWDS mode. Therefore, an EWENinstruction must be

performed before any ERASEor WRITEinstruction can

be executed.

An instruction following a START condition will only be

executed if the required amount of opcode, address

and data bits for any particular instruction is clocked in.

After execution of an instruction (i.e., clock in or out of

the last required address or data bit) CLK and DI

become don't care bits until a new START condition is

detected.

*Org pin is not available on A/B devices

 2002 Microchip Technology Inc.

DS21749A-page 5

1 2 3 456 7 8...20

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93LC46I/P	ETC	1K/2K/4K 2.5 V Serial EEPROM(397.55 k)	获取价格
93LC46-I/P	MICROCHIP	1K/2K/4K 2.5V Microwire Serial EEPROM	获取价格
93LC46-I/PB25	MICROCHIP	64 X 16 MICROWIRE BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8	获取价格
93LC46-I/PB48	MICROCHIP	64 X 16 MICROWIRE BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8	获取价格
93LC46-I/PROC	MICROCHIP	64 X 16 MICROWIRE BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8	获取价格
93LC46I/SL	MICROCHIP	128 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO14, 0.150 INCH, PLASTIC, SOIC-14	获取价格

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