FM24C64B Ramtron, FM24C64B Datasheet - Page 10

• Manufacturer Part Number: FM24C64B
• Description: 64Kb Serial 5V F-RAM Memory
• Manufacturer: Ramtron

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AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
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. 1.3
Feb. 2011
Symbol
T
SCL
SDA
SCL
SDA
DR
t
SU:SDA
Parameter
@
@
@
+85ºC
+80ºC
+75ºC
Start
Start
t
t
BUF
SU:STO
0.1 V
10 ns
0.5 V
Stop Start
t
R
Stop Start
DD
DD
to 0.9 V
t
F
t
HIGH
DD
t
HD:STA
Min
t
10
19
38
AA
t
1/fSCL
SU:DAT
t
HD:DAT
Max
Equivalent AC Load Circuit
t
-
-
-
DH
t
Output
LOW
t
AA
Acknowledge
5.5V
Units
Years
Years
Years
t
SU:DAT
t
HD:DAT
1700 Ω
100 pF
t
Acknowledge
SP
FM24C64B
Notes
10 of 12
t
SP
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