© 2007 Microchip Technology Inc. DS21191P-page 1
24AA128/24LC128/24FC128
Device Selection Table
Features:
Single supply with operation down to 1.7V for
24AA128/24FC128 devices, 2.5V for 24LC128
devices
Low-power CMOS technology:
- Write current 3 mA, typical
- Standby current 100 nA, typical
2-wire serial interface, I
2
C™ compatible
Cascadable up to eight devices
Schmitt Trigger inputs for noise suppression
Output slope control to eliminate ground bounce
100 kHz and 400 kHz clock compatibility
1 MHz clock for FC versions
Page write time 5 ms, typical
Self-timed erase/write cycle
64-byte page write buffer <adjust per device>
Hardware write-protect
ESD protection >4000V
More than 1 million erase/write cycles
Data retention > 200 years
Factory programming available
Packages include 8-lead PDIP, SOIC, TSSOP,
DFN and MSOP packages
Pb-free and RoHS compliant
Temperature ranges:
Description:
The Microchip Technology Inc. 24AA128/24LC128/
24FC128 (24XX128*) is a 16K x 8 (128 Kbit) Serial
Electrically Erasable PROM (EEPROM), capable of
operation across a broad voltage range (1.7V to 5.5V).
It has been developed for advanced, low-power
applications such as personal communications or data
acquisition. This device also has a page write capabil-
ity of up to 64 bytes of data. This device is capable of
both random and sequential reads up to the 128K
boundary. Functional address lines allow up to eight
devices on the same bus, for up to 1 Mbit address
space. This device is available in the standard 8-pin
plastic DIP, SOIC (3.90 mm and 5.28 mm), TSSOP,
MSOP and DFN packages.
Block Diagram
*24XX128 is used in this document as a generic part number
for the 24AA128/24LC128/24FC128 devices.
Package Types
Part
Number
VCC
Range
Max. Clock
Frequency
Temp.
Ranges
24AA128 1.7-5.5V 400 kHz
(1)
I
24LC128 2.5-5.5V 400 kHz I, E
24FC128 1.7-5.5V 1 MHz
(2)
I
Note 1: 100 kHz for VCC < 2.5V.
2: 400 kHz for V
CC < 2.5V.
- Industrial (I): -40°C to +85°C
- Automotive (E): -40°C to +125°C
HV Generator
EEPROM
Array
Page Latches
YDEC
XDEC
Sense Amp.
R/W
Control
Memory
Control
Logic
I/O
C
ontrol
Logic
I/O
A0 A1 A2
SDA
SCL
V
CC
VSS
WP
A0
A1
A2
V
SS
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
24XX128
PDIP/SOIC TSSOP/MSOP*
A0
A1
A2
V
SS
1
2
3
4
8
7
6
5
V
CC
WP
SCL
SDA
24XX128
DFN
A0
A1
A2
V
SS
WP
SCL
SDA
24XX128
5
6
7
8
4
3
2
1
VCC
Note: * Pins A0 and A1 are no-connects for the MSOP package only.
128K I
2
C
CMOS Serial EEPROM
24AA128/24LC128/24FC128
DS21191P-page 2 © 2007 Microchip Technology Inc.
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
(†)
VCC.............................................................................................................................................................................6.5V
All inputs and outputs w.r.t. VSS ......................................................................................................... -0.6V to VCC +1.0V
Storage temperature ...............................................................................................................................-65°C to +150°C
Ambient temperature with power applied................................................................................................-40°C to +125°C
ESD protection on all pins ......................................................................................................................................................≥ 4kV
TABLE 1-1: DC CHARACTERISTICS
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.
DC CHARACTERISTICS
Electrical Characteristics:
Industrial (I): VCC = +1.7V to 5.5V TA = -40°C to +85°C
Automotive (E): V
CC = +2.5V to 5.5V TA = -40°C to 125°C
Param.
No.
Sym. Characteristic Min. Max. Units Conditions
D1 A0, A1, A2, SCL, SDA and
WP pins:
——
D2 V
IH High-level input voltage 0.7 VCC —V
D3 V
IL Low-level input voltage 0.3 VCC
0.2 VCC
V
V
VCC 2.5V
V
CC < 2.5V
D4 VHYS Hysteresis of Schmitt Trigger
inputs (SDA, SCL pins)
0.05 VCC —VVCC 2.5V (Note 1)
D5 V
OL Low-level output voltage 0.40 V IOL = 3.0 mA @ VCC = 4.5V
I
OL = 2.1 mA @ VCC = 2.5V
D6 I
LI Input leakage current ±1 μAVIN = VSS or VCC, WP = VSS
VIN = VSS or VCC, WP = VCC
D7 ILO Output leakage current ±1 μAVOUT = VSS or VCC
D8 CIN,
C
OUT
Pin capacitance
(all inputs/outputs)
—10pFVCC = 5.0V (Note 1)
T
A = 25°C, FCLK = 1 MHz
D9 ICC Read Operating current 400 μAVCC = 5.5V, SCL = 400 kHz
I
CC Write 3 mA VCC = 5.5V
D10 ICCS Standby current 1 μATA = -40°C to +85°C
SCL = SDA = V
CC = 5.5V
A0, A1, A2, WP = V
SS
—5μATA = -40°C to 125°C
SCL = SDA = V
CC = 5.5V
A0, A1, A2, WP = V
SS
Note 1: This parameter is periodically sampled and not 100% tested.
© 2007 Microchip Technology Inc. DS21191P-page 3
24AA128/24LC128/24FC128
TABLE 1-2: AC CHARACTERISTICS
AC CHARACTERISTICS
Electrical Characteristics:
Industrial (I): VCC = +1.7V to 5.5V TA = -40°C to +85°C
Automotive (E): V
CC = +2.5V to 5.5V TA = -40°C to 125°C
Param.
No.
Sym. Characteristic Min. Max. Units Conditions
1F
CLK Clock frequency
100
400
400
1000
kHz 1.7V VCC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC < 2.5V 24FC128
2.5V V
CC 5.5V 24FC128
2THIGH Clock high time 4000
600
600
500
ns 1.7V VCC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC < 2.5V 24FC128
2.5V V
CC 5.5V 24FC128
3TLOW Clock low time 4700
1300
1300
500
ns 1.7V VCC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC < 2.5V 24FC128
2.5V V
CC 5.5V 24FC128
4T
R SDA and SCL rise time
(Note 1)
1000
300
300
ns 1.7V V
CC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC 5.5V 24FC128
5T
F SDA and SCL fall time
(Note 1)
300
100
ns All except, 24FC128
1.7V V
CC 5.5V 24FC128
6THD:STA Start condition hold time 4000
600
600
250
ns 1.7V VCC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC < 2.5V 24FC128
2.5V V
CC 5.5V 24FC128
7T
SU:STA Start condition setup time 4700
600
600
250
ns 1.7V VCC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC < 2.5V 24FC128
2.5V V
CC 5.5V 24FC128
8THD:DAT Data input hold time 0 ns (Note 2)
9TSU:DAT Data input setup time 250
100
100
ns 1.7V VCC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC 5.5V 24FC128
10 TSU:STO Stop condition setup time 4000
600
600
250
ns 1.7 V VCC < 2.5V
2.5 V V
CC 5.5V
1.7V V
CC < 2.5V 24FC128
2.5 V V
CC 5.5V 24FC128
11 T
SU:WP WP setup time 4000
600
600
ns 1.7V V
CC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC 5.5V 24FC128
12 T
HD:WP WP hold time 4700
1300
1300
ns 1.7V V
CC < 2.5V
2.5V V
CC 5.5V
1.7V V
CC 5.5V 24FC128
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 VHYS 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.

602-20012

Mfr. #:
Manufacturer:
Parallax
Description:
EEPROM 128-K Industrial I2C Serial EEPROM
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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