Datasheet > BU99901GUZ-W_12

BU99901GUZ-W_12

更新时间： 2022-05-02 12:03:38

品牌	Logo	应用领域
罗姆 - ROHM		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
26页	711K
描述
Serial EEPROM Series Standard EEPROM WLCSP EEPROM

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中文翻译

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数据手册

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BU99901GUZ-W_12 数据手册

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BU99901GUZ-W (32Kbit)

●Sync Data Input / Output Timing

tHIGH

SCL

DATA(1)

(Input)

DATA(n)

tSU :DAT

tLOW

tHD :STA

tBUF

tHD :DAT

SDA

D0 ACK

ACK

SDA

tPD

tDH

Stop condition

SDA

(Output)

HD WP

ｔ

：

tSU WP

：

○Input read at the rise edge of SCL

○Data output in sync with the fall of SCL

Figure 1-(a). Sync data input / output timing

Figure 1-(d). WP timing at write execution

SCL

SDA

SCL

SDA

DATA(n)

DATA(1)

D1 D0 ACK

tSU:STA

tHD:STA

tSU:STO

ACK

tWR

tHIGH:WP

START BIT

STOP BIT

○At write execution, in the area from the D0 taken clock rise of the first

DATA(1), to tWR, set WP=“LOW”.

Figure 1-(b). Start - stop bit timing

○By setting WP “HIGH” in the area, write can be cancelled.

When it is set WP=“HIGH” during tWR, write is forcibly ended, and data of

address under access is not guaranteed, therefore write it once again.

Figure 1-(e). WP timing at write cancels

SCL

SDA

ACK

WRITE DATA(n)

tWR

STOP

START

CONDITION

Figure 1-(c). Write cycle timing

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TSZ02201-0R2R0G100280-1-2

3/23

TSZ22111・15・001

4.SEP.2012 Rev.001

1 234 5 6 7...26

中文翻译

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