FM24CL64B-G データシートの表示（PDF） - Ramtron International Corporation

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FM24CL64B-G

64Kb Serial 3V F-RAM Memory

Ramtron International Corporation 

master issues a start condition. This simultaneously

aborts the write operation and allows the read

command to be issued with the device address LSB

FM24CL64B

set to a 1. The operation is now a current address

read.

By Master

Start

Address

No

Ackn o wl e d g e

S

Slave Address 1 A

Data Byte

1P

By FM24CL64

Acknowledge Data

Stop

Figure 7. Current Address Read

By Master

Start

Address

Ackn o wl e d g e

No

Ackn o wl e d g e

S

Slave Address 1 A

Data Byte

A

Data Byte

1P

Stop

By FM24CL64

Ackn o wl e d g e

Data

Figure 8. Sequential Read

Start

By Master

Address

S

Slave Address 0 A

Address MSB

A

Address LSB

Start

Address

AS

Slave Address 1 A

By FM24CL64

Ackn o wl e d g e

No

Ackn o wl e d g e

Stop

Data Byte

1P

Data

Figure 9. Selective (Random) Read

Rev. 3.0

Jan. 2012

Page 7 of 13

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