FM24C256B-G Cypress Semiconductor, FM24C256B-G Datasheet - Page 10

• Manufacturer Part Number: FM24C256B-G
• Description: F-RAM 256Kb Serial I2C 5V FRAM
• Manufacturer: Cypress Semiconductor

Specifications of FM24C256B-G

• Rohs: yes
• Operating Supply Voltage: 5 V
• Operating Temperature Range: - 40 C to + 85 C

Diagram Notes
All start and stop timing parameters apply to both read and write cycles. Clock specifications are identical for read
and write cycles. Write timing parameters apply to slave address, word address, and write data bits. Functional
relationships are illustrated in the relevant data sheet sections. These diagrams illustrate the timing parameters only.
Read Bus Timing
Write Bus Timing
Data Retention
Rev. 3.3
Jan. 2011
Data Retention
SCL
SDA
SCL
SDA
t
SU:SDA
(V
DD
Parameter
= 4.5V to 5.5V, +85° C)
Start
Start
t
t
SU:STO
BUF
Stop Start
t
R
Stop Start
`
t
F
t
HIGH
t
HD:STA
Min
45
t
AA
t
1/fSCL
SU:DAT
Years
Units
t
HD:DAT
t
DH
t
LOW
Notes
t
Acknowledge
AA
t
SU:DAT
t
HD:DAT
t
Acknowledge
SP
FM24C256
Page 10 of 12
t
SP