FM24C64B Ramtron, FM24C64B Datasheet - Page 9

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

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AC Parameters
Notes : All SCL specifications as well as start and stop conditions apply to both read and write operations.
1
Capacitance
Notes
1
Power Cycle Timing
Power Cycle Timing (T
Notes
Rev. 1.3
Feb. 2011
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
C
C
t
t
t
t
Symbol
Symbol
LOW
HIGH
AA
BUF
HD:STA
SU:STA
HD:DAT
SU:DAT
R
F
SU:STO
DH
SP
PU
PD
VR
VF
SCL
I/O
IN
This parameter is periodically sampled and not 100% tested.
This parameter is periodically sampled and not 100% tested.
1.
Slope measured at any point on V
Parameter
SCL Clock Frequency
Clock Low Period
Clock High Period
SCL Low to SDA Data Out Valid
Bus Free Before New
Transmission
Start Condition Hold Time
Start Condition Setup for Repeated
Start
Data In Hold
Data In Setup
Input Rise Time
Input Fall Time
Stop Condition Setup
Data Output Hold
(from SCL @ VIL)
Noise Suppression Time Constant
on SCL, SDA
Input/output capacitance (SDA)
Input capacitance
Parameter
Power Up (V
Last Access (Stop condition) to Power Down (V
V
V
(T
DD
DD
A
(T
= 25° C, f=1.0 MHz, V
Rise Time
Fall Time
A
= -40° C to + 85° C, V
A
Parameter
DD
= -40°C to +85°C, V
min) to First Access (Start condition)
DD
DD
= 5V)
DD
waveform.
= 4.5V to 5.5V, C
DD
= 4.5V to 5.5V unless otherwise specified)
Min
250
4.7
4.0
4.7
4.0
4.7
4.0
0
0
0
Max
8
6
1000
Max
100
300
L
50
3
= 100 pF unless otherwise specified)
DD
min)
Min
100
0.6
1.3
0.6
1.3
0.6
0.6
Units
0
0
0
pF
pF
Max
400
300
300
0.9
50
Min
100
10
30
0
Notes
1
1
Min
0.25
0.25
0.25
100
0.6
0.4
0.5
0
0
0
Max
-
-
-
-
1000
Max
0.55
300
100
50
Units
µ
µ
Units
ms
kHz
µ
s/V
s/V
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns
s
FM24C64B
Notes
Notes
1
1
1
1
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