24AA64/24LC64/24FC64
2
64K I C Serial EEPROM
Pb-Free and RoHS Compliant
Device Selection Table
Temperature Ranges:
Part VCC Max. Clock Temp.
- Industrial (I): -40C to +85C
Number Range Frequency Ranges
- Automotive (E): -40C to +125C
(1)
24AA64 1.7-5.5 400 kHz I
Description:
24LC64 2.5-5.5 400 kHz I, E
(2)
The Microchip Technology Inc. 24AA64/24LC64/
24FC64 1.7-5.5 1 MHz I
24FC64 (24XX64*) is a 64 Kbit Electrically Erasable
Note 1: 100 kHz for VCC <2.5V
PROM. The device is organized as a single block of
2: 400 kHz for VCC <2.5V
8K x 8-bit memory with a 2-wire serial interface. Low-
voltage design permits operation down to 1.7V, with
Features:
standby and active currents of only 1 A and 3 mA,
respectively. It has been developed for advanced, low-
Single-Supply with Operation down to 1.7V for
power applications such as personal communications
24AA64/24FC64 devices, 2.5V for 24LC64
or data acquisition. The 24XX64 also has a page write
devices
capability for up to 32 bytes of data. Functional
Low-Power CMOS Technology:
address lines allow up to eight devices on the same
- Active current 3 mA, max.
bus, for up to 512 Kbits address space. The 24XX64 is
- Standby current 1 A, max.
available in the standard 8-pin PDIP, surface mount
2
SOIC, SOIJ, TSSOP, DFN, TDFN and MSOP
2-Wire Serial Interface, I C Compatible
packages. The 24XX64 is also available in the 5-lead
Packages with 3 Address Pins are cascadable up
SOT-23, and Chip Scale packages.
to 8 devices
Block Diagram
Schmitt Trigger Inputs for Noise Suppression
Output Slope Control to Eliminate Ground Bounce
HV
A0 A1 A2WP
Generator
100 kHz and 400 kHz Clock Compatibility
1 MHz Clock for FC versions
Page Write Time 5 ms, max.
I/O Memory
EEPROM
Self-timed Erase/Write Cycle
Control Control XDEC
Array
Logic Logic
32-Byte Page Write Buffer
Page
Hardware Write-protect
Latches
ESD Protection > 4,000V
I/O
SCL
More than 1 Million Erase/Write Cycles
YDEC
Data Retention > 200 Years
SDA
Factory Programming Available
Packages include 8-lead PDIP, SOIC, SOIJ,
VCC
Sense Amp.
TSSOP, X-Rotated TSSOP, MSOP, DFN, TDFN,
VSS
5-lead SOT-23 or Chip Scale R/W Control
Package Types
(1)
PDIP/MSOP/SOIC/SOIJ/TSSOP
DFN/TDFN CS (Chip Scale)
SOT-23
X-Rotated TSSOP
SCL
1 5 WP
A0 1 VCC VCC
8 1 2 VSS
A0 1 8 VCC (X/ST)
7 WP WP 3
A1 2
A1 2 7 WP
VSS 2
1 8
WP
SCL 45
SCL SDA
6 SCL
A2 3
2 7
VCC
SDA
A2 3 6 SCL
3 6 VSS
A0 VSS 4 5 SDA
VCC
34 (Top Down View,
SDA
5
4
VSS 4 5 SDA A1 A2
Balls Not Visible)
Note 1: Available in I-temp, AA only.
* 24XX64 is used in this document as a generic part number for the 24AA64/24LC64/24FC64 devices.
2010 Microchip Technology Inc. DS21189R-page 124AA64/24LC64/24FC64
1.0 ELECTRICAL CHARACTERISTICS
()
Absolute Maximum Ratings
VCC.............................................................................................................................................................................6.5V
All inputs and outputs w.r.t. VSS ......................................................................................................... -0.3V to VCC +1.0V
Storage temperature ...............................................................................................................................-65C to +150C
Ambient temperature with power applied................................................................................................-40C to +125C
ESD protection on all pins 4kV
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): TA = -40C to +85C, VCC = +1.7V to +5.5V
DC CHARACTERISTICS
Automotive (E): TA = -40C to +125C, VCC = +2.5V to +5.5V
Param.
Sym. Characteristic Min. Typ. Max. Units Conditions
No.
A0, A1, A2, WP, SCL
and SDA pins
D1 VIH High-level input voltage 0.7 VCC V
D2 VIL Low-level input voltage 0.3 VCC V VCC 2.5V
0.2 VCC V VCC 2.5V
D3 VHYS Hysteresis of Schmitt 0.05 VCC V VCC 2.5V (Note 1)
Trigger inputs (SDA,
SCL pins)
D4 VOL Low-level output voltage 0.40 V IOL = 3.0 mA @ VCC = 4.5V
IOL = 2.1 mA @ VCC = 2.5V
D5 ILI Input leakage current 1 AVIN = VSS or VCC, WP = VSS
VIN = VSS or VCC, WP = VCC
D6 ILO Output leakage current 1 AVOUT = VSS or VCC
D7 CIN, Pin capacitance 10 pFVCC = 5.0V (Note 1)
COUT (all inputs/outputs) TA = 25C, FCLK = 1 MHz
D8 ICC write Operating current 0.1 3 mAVCC = 5.5V, SCL = 400 kHz
D9 ICC read 0.05 400 A
D10 ICCS Standby current .01 1 A Industrial
5 A Automotive
SDA = SCL = VCC
A0, A1, A2, WP = VSS
Note 1: This parameter is periodically sampled and not 100% tested.
2: Typical measurements taken at room temperature.
DS21189R-page 2 2010 Microchip Technology Inc.