......................................................................................................... -0.3V to V
CC
+1.0V
Storage temperature ...............................................................................................................................-65°C to +150°C
Ambient temperature with power applied ................................................................................................-40°C to +125°C
ESD protection on all pins
4 kV
† NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at those or any other conditions above those
indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability.
TABLE 1-1:
DC CHARACTERISTICS
Industrial (I):
T
A
= -40°C to +85°C, V
CC
= +1.7V to +5.5V
Automotive (E): T
A
= -40°C to +125°C, V
CC
= +1.7V to +5.5V
Min.
—
DC CHARACTERISTICS
Param.
No.
Sym.
—
D1
D2
D3
V
IH
V
IL
V
HYS
Characteristic
A0, A1, A2, WP, SCL
and SDA pins
High-level input voltage
Low-level input voltage
Hysteresis of Schmitt
Trigger inputs (SDA,
SCL pins)
Low-level output voltage
Input leakage current
Output leakage current
Pin capacitance
(all inputs/outputs)
Typ.
—
—
—
—
Max.
—
—
0.3 V
CC
0.2 V
CC
—
Units
—
V
V
V
V
—
—
V
CC
V
CC
V
CC
Conditions
0.7 V
CC
—
0.05 V
CC
2.5V
2.5V
2.5V
(Note
1)
D4
D5
D6
D7
D8
D9
D10
V
OL
I
LI
I
LO
C
IN
,
C
OUT
I
CC
read
I
CCS
—
—
—
—
—
—
—
—
—
—
—
—
0.1
0.05
0.01
—
0.40
±1
±1
10
3
400
1
5
V
A
A
pF
mA
A
A
A
I
OL
= 3.0 mA @ V
CC
= 4.5V
I
OL
= 2.1 mA @ V
CC
= 2.5V
V
IN
= V
SS
or V
CC
, WP = V
SS
V
IN
= V
SS
or V
CC
, WP = V
CC
V
OUT
= V
SS
or V
CC
V
CC
= 5.0V
(Note
1)
T
A
= 25°C, F
CLK
= 1 MHz
V
CC
= 5.5V, SCL = 400 kHz
Industrial
Automotive
SDA = SCL = V
CC
A0, A1, A2, WP = V
SS
I
CC
write
Operating current
Standby current
Note 1:
2:
This parameter is periodically sampled and not 100% tested.
Typical measurements taken at room temperature.
DS21189T-page 2
1997-2012 Microchip Technology Inc.
24AA64/24LC64/24FC64
TABLE 1-2:
AC CHARACTERISTICS
Electrical Characteristics:
Industrial (I):
V
CC
= +1.7V to 5.5V T
A
= -40°C to +85°C
Automotive (E): V
CC
= +1.7V to 5.5V T
A
= -40°C to 125°C
Characteristic
Clock frequency
Min.
—
—
—
—
4000
600
600
500
4700
1300
1300
500
—
—
—
—
—
4000
600
600
250
4700
600
600
250
0
250
100
100
4000
600
600
250
4000
600
600
4700
1300
1300
Max.
100
400
400
1000
—
—
—
—
—
—
—
—
1000
300
300
300
100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
kHz
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
Conditions
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
2.5V
5.5V
2.5V 24FC64
5.5V 24FC64
2.5V
5.5V
2.5V 24FC64
5.5V 24FC64
2.5V
5.5V
2.5V 24FC64
5.5V 24FC64
2.5V
5.5V
5.5V 24FC64
AC CHARACTERISTICS
Param.
No.
1
Sym.
F
CLK
2
T
HIGH
Clock high time
ns
3
T
LOW
Clock low time
ns
4
T
R
SDA and SCL rise time
(Note
1)
SDA and SCL fall time
(Note
1)
ns
5
6
T
F
ns
ns
All except, 24FC64
1.7V V
CC
5.5V 24FC64
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
2.5V
5.5V
2.5V 24FC64
5.5V 24FC64
2.5V
5.5V
2.5V 24FC64
5.5V 24FC64
2.5V
5.5V
5.5V 24FC64
T
HD
:
STA
Start condition hold time
7
T
SU
:
STA
Start condition setup time
ns
8
9
T
HD
:
DAT
Data input hold time
T
SU
:
DAT
Data input setup time
ns
ns
(Note
2)
10
T
SU
:
STO
Stop condition setup time
ns
1.7 V V
CC
2.5V
2.5 V V
CC
5.5V
1.7V V
CC
2.5V 24FC64
2.5 V V
CC
5.5V 24FC64
1.7V
2.5V
1.7V
1.7V
2.5V
1.7V
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
2.5V
5.5V
5.5V 24FC64
2.5V
5.5V
5.5V 24FC64
11
T
SU
:
WP
WP setup time
ns
12
T
HD
:
WP
WP hold time
ns
Note 1:
Not 100% tested. C
B
= total capacitance of one bus line in pF.
2:
As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region
(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
3:
The combined T
SP
and V
HYS
specifications are due to new Schmitt Trigger inputs, which provide improved
noise spike suppression. This eliminates the need for a T
I
specification for standard operation.
4:
This parameter is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance™ Model, which can be obtained from Microchip’s web site
at www.microchip.com.
1997-2012 Microchip Technology Inc.
DS21189T-page 3
24AA64/24LC64/24FC64
AC CHARACTERISTICS
Param.
No.
13
Electrical Characteristics:
Industrial (I):
V
CC
= +1.7V to 5.5V T
A
= -40°C to +85°C
Automotive (E): V
CC
= +1.7V to 5.5V T
A
= -40°C to 125°C
Characteristic
Output valid from clock
(Note
2)
Min.
—
—
—
—
4700
1300
1300
500
10 + 0.1C
B
Max.
3500
900
900
400
—
—
—
—
250
250
50
5
—
Units
ns
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
1.7V
2.5V
Conditions
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
2.5V
5.5V
2.5V 24FC64
5.5V 24FC64
2.5V
5.5V
2.5V 24FC64
5.5V 24FC64
Sym.
T
AA
14
T
BUF
Bus free time: Time the bus
must be free before a new
transmission can start
Output fall time from V
IH
minimum to V
IL
maximum
C
B
100 pF
Input filter spike suppression
(SDA and SCL pins)
Write cycle time (byte or
page)
Endurance
ns
15
T
OF
ns
All except, 24FC64
(Note
1)
24FC64
(Note
1)
All except, 24FC64
(Notes
1
and
3)
—
16
17
18
T
SP
T
WC
—
—
—
1,000,000
ns
ms
cycles Page Mode 25°C, 5.5V
(Note
4)
Note 1:
Not 100% tested. C
B
= total capacitance of one bus line in pF.
2:
As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region
(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
3:
The combined T
SP
and V
HYS
specifications are due to new Schmitt Trigger inputs, which provide improved
noise spike suppression. This eliminates the need for a T
I
specification for standard operation.
4:
This parameter is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance™ Model, which can be obtained from Microchip’s web site
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