Datasheet > X4643S8Z-2.7A

X4643S8Z-2.7A

更新时间： 2024-02-05 09:19:23

品牌	Logo	应用领域
瑞萨 - RENESAS		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双倍数据速率光电二极管内存集成电路
页数	文件大小	规格书
21页	329K
描述
X4643S8Z-2.7A

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技术参数
数据手册

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X4643S8Z-2.7A 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	SOP, SOP8,.25	Reach Compliance Code：	unknown
风险等级：	5.84	I2C控制字节：	10100DDR
JESD-30 代码：	R-PDSO-G8	内存密度：	65536 bit
内存集成电路类型：	EEPROM	内存宽度：	8
端子数量：	8	字数：	8192 words
字数代码：	8000	最高工作温度：	70 °C
最低工作温度：		组织：	8KX8
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装等效代码：	SOP8,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	并行/串行：	SERIAL
电源：	3/5 V	认证状态：	Not Qualified
串行总线类型：	I2C	最大待机电流：	0.000001 A
子类别：	EEPROMs	最大压摆率：	0.003 mA
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
写保护：	HARDWARE/SOFTWARE	Base Number Matches：	1

X4643S8Z-2.7A 数据手册

X4643, X4645

Setting the V

Voltage

Resetting the V

Voltage

TRIP

This procedure is used to set the V

to a higher or

This procedure is used to set the V

to a “native”

TRIP

lower voltage value. It is necessary to reset the trip

point before setting the new value.

voltage level. For example, if the current V

is 4.4V

must

TRIP

and the new V

must be 4.0V, then the V

TRIP

be reset. When V

thing less than 1.7V. This procedure must be used to

set the voltage to a lower value.

is reset, the new V

is some-

TRIP

To set the new V

bit in the control register, then apply the desired V

threshold voltage to the V pin and the programming

voltage, start by setting the WEL

TRIP

voltage, V , to the WP pin and 2 byte address and 1

To reset the new V

voltage start by setting the

TRIP

byte of “00” data. The stop bit following a valid write

WEL bit in the control register, apply V and the pro-

operation initiates the V

programming sequence.

gramming voltage, V , to the WP pin and 2 byte

TRIP

Bring WP LOW to complete the operation.

address and 1 byte of “00” data. The stop bit of a valid

write operation initiates the V

programming

TRIP

sequence. Bring WP LOW to complete the operation.

Figure 2. Reset V

Level Sequence (V > 3V. WP = 12-15V, WEL bit set)

TRIP

V_P= 12-15V

0 1 2 3 4 5 6 7

SCL

SDA

A0h

00h

03h

00h

Figure 3. Sample V

Reset Circuit

TRIP

V_P

SOIC

Adjust

4.7K

µC

RESET

Run

X4643

V_TRIP

Adj.

SCL

SDA

FN8123.0

March 29, 2005

1 2 345 6 7...21

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