FM24C64
AC Parameters
(T
A
= -40° C to + 85° C, V
DD
= 4.5V to 5.5V, C
L
= 100 pF unless otherwise specified)
Min
Max
Min
Max
Min
Max
Symbol Parameter
f
SCL
SCL Clock Frequency
0
100
0
400
0
1000
t
LOW
Clock Low Period
4.7
1.3
0.6
t
HIGH
Clock High Period
4.0
0.6
0.4
t
AA
SCL Low to SDA Data Out Valid
3
0.9
0.55
t
BUF
t
HD:STA
t
SU:STA
t
HD:DAT
t
SU:DAT
t
R
t
F
t
SU:STO
t
DH
t
SP
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
4.7
4.0
4.7
0
250
1000
300
4.0
0
50
0.6
0
50
1.3
0.6
0.6
0
100
300
300
0.25
0
50
0.5
0.25
0.25
0
100
300
100
Units
kHz
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
µs
ns
ns
Notes
1
1
Notes : All SCL specifications as well as start and stop conditions apply to both read and write operations.
1 This parameter is periodically sampled and not 100% tested.
Capacitance
(T
A
= 25° C, f=1.0 MHz, V
DD
= 5V)
Symbol
Parameter
C
I/O
Input/Output Capacitance (SDA)
C
IN
Input Capacitance
Max
8
6
Units
pF
pF
Notes
1
1
Notes
1 This parameter is periodically sampled and not 100% tested.
Rev. 3.0
Mar. 2005
9 of 12
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
