BU9877FV Ver la hoja de datos (PDF) - ROHM Semiconductor

Número de pieza

componentes Descripción

Fabricante

BU9877FV

Serial interface IC for DIMMs supporting plug & play

ROHM Semiconductor 

Memory ICs

BU9877FV

Start condition

1

SCL

89

17 18

Stop condition

26 27

SDA

0

1

1

0 A2 A1 A0 0

DON'T CARE

DON'T CARE

Slave address

Word address

Write data

ACK signal (output)

Fig. 11 Write protect cycle

• The write protect command is used to prohibit writing of data to addresses 00 to 7Fh, among the 256 word address

data, and cannot be altered (one-time memory).

• The command is canceled if a stop condition has been input before the 27th clocks.

• If the write protect command is input when the protect status is already in effect, the command is canceled.

•External dimensions (Units: mm)

3.0 ± 0.2

85

14

(0.52) 0.65 0.22 ± 0.1

0.3Min.

0.1

SSOP-B8

9

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