FM24V05_13 datasheet(8/17 Pages) CYPRESS

Teilenummer	FM24V05

Bauteilbeschribung	512Kb Serial 3V F-RAM Memory

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Hersteller	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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FM24V05 - 512Kb I2C FRAM

Document Number: 001-84462 Rev. *B

Page 8 of 17

Sleep Mode

A

low

power

mode

called

Sleep

Mode

is

implemented on both FM24V05 devices. The device

will enter this low power state when the Sleep

command 86h is clocked-in. Sleep Mode entry can be

entered as follows:

1.

The master sends a START command.

2.

The master sends Reserved Slave ID 0xF8

3.

The master sends the I

2C-bus slave address of

the slave device it needs to identify. The last

bit is a „Don‟t care‟ value (R/W bit). Only one

device must acknowledge this byte (the one

that has the I

2C-bus slave address).

4.

The master sends a Re-START command.

5.

The master sends Reserved Slave ID 0x86

6.

The FM24V05 sends an ACK.

7.

The master sends STOP to ensure the device

enters sleep mode.

Once in sleep mode, the device draws IZZ current, but

the device continues to monitor the I

2C pins. Once

the master sends a Slave Address that the FM24V05

identifies, it will “wakeup” and be ready for normal

operation within tREC (400 s max.). As an alternative

method of determining when the device is ready, the

master can send read or write commands and look for

an ACK. While the device is waking up, it will

NACK the master until it is ready.

S

A

P

By Master

By FM24V05

Start

Address

Stop

S

A

Rsvd Slave ID (F8)

Slave Address

A

Start

Address

Acknowledge

Rsvd Slave ID (86)

X

Figure 12. Sleep Mode Entry

Ähnliche Beschreibung - FM24V05_13

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Ramtron International C...	FM25V05	334Kb / 16P	512Kb Serial 3V F-RAM Memory
Ramtron International C...	FM24V05	347Kb / 16P	512Kb Serial 3V F-RAM Memory
Cypress Semiconductor	FM25V05	532Kb / 16P	512Kb Serial 3V F-RAM Memory
Cypress Semiconductor	FM25V05	486Kb / 17P	512Kb Serial 3V F-RAM Memory
Ramtron International C...	FM24V05	200Kb / 15P	512Kb Serial 3V F-RAM Memory
Cypress Semiconductor	FM24V05	403Kb / 16P	512Kb Serial 3V F-RAM Memory
Ramtron International C...	FM25V02	343Kb / 17P	256Kb Serial 3V F-RAM Memory
Ramtron International C...	FM25V10	333Kb / 16P	1Mb Serial 3V F-RAM Memory
Cypress Semiconductor	FM24CL64B	354Kb / 13P	64Kb Serial 3V F-RAM Memory
Cypress Semiconductor	FM24V01	378Kb / 14P	128Kb Serial 3V F-RAM Memory

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FM24V05 Datenblatt(PDF) 8 Page - Cypress Semiconductor

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Ähnliche Teilenummer - FM24V05_13

Ähnliche Beschreibung - FM24V05_13

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