24AA01/24LC01B
2
1K I C Serial EEPROM
Device Selection Table Description:
Part VCC Max. Clock Temp.
The Microchip Technology Inc. 24AA01/24LC01B
Number Range Frequency Ranges
(24XX01*) is a 1 Kbit Electrically Erasable PROM. The
(1) device is organized as one block of 128 x 8-bit memory
24AA01 1.7-5.5 400 kHz I
with a 2-wire serial interface. Low-voltage design
24LC01B 2.5-5.5 400 kHz I, E
permits operation down to 1.7V with standby and active
Note 1: 100 kHz for VCC <2.5V.
currents of only 1 A and 1mA, respectively. The
24XX01 also has a page write capability for up to 8
bytes of data. The 24XX01 is available in the standard
Features:
8-pin PDIP, surface mount SOIC, TSSOP, 2x3 DFN,
Single Supply with Operation down to 1.7V for
2x3 TDFN and MSOP packages, and is also available
24AAXX Devices, 2.5V for 24LCXX Devices
in the 5-lead SOT-23 and SC-70 packages.
Low-Power CMOS Technology:
- Read current 1 mA, max. Package Types
- Standby current 1 A, max. (I-temp)
SOIC, TSSOP
PDIP, MSOP
2
2-Wire Serial Interface, I C Compatible
A0 1 8 VCC
A0 1 8
VCC
Schmitt Trigger inputs for Noise Suppression
A1 2 7 WP 2 7
A1 WP
Output Slope Control to eliminate Ground Bounce
A2 3 6 SCL 3 6
100 kHz and 400 kHz Compatibility A2 SCL
Page Write Time 3 ms, typical
4 5
VSS 4 5 SDA VSS SDA
Hardware Write-Protect
SOT-23/SC-70
DFN/TDFN
ESD Protection >4,000V
More than 1 Million Erase/Write Cycles
A0 1 VCC
8
WP
SCL15
Data Retention >200 Years 7 WP
A1 2
6 SCL
Vss 2 A2 3
Factory Programmable Available
VSS
4 5 SDA
Packages include 8-lead PDIP, SOIC, TSSOP,
3
4 Vcc
SDA
DFN, TDFN, MSOP, 5-lead SOT-23 and SC-70
Pb-free and RoHS Compliant
Note: Pins A0, A1 and A2 are not used by the 24XX01 (no
internal connections).
Temperature Ranges:
- Industrial (I): -40C to +85C
Block Diagram
- Automotive (E): -40C to +125C
WP
HV Generator
I/O Memory
EEPROM
Control Control XDEC
Array
Logic Logic
Page Latches
I/O
SCL
YDEC
SDA
VCC
Sense Amp.
VSS
R/W Control
2009 Microchip Technology Inc. DS21711J-page 124AA01/24LC01B
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.
D1 VIH WP, SCL and SDA pins
D2 High-level input voltage 0.7 VCC V
D3 VIL Low-level input voltage 0.3 VCC V
D4 VHYS Hysteresis of Schmitt 0.05 VCC V (Note)
Trigger inputs
D5 VOL Low-level output voltage 0.40 V IOL = 3.0 mA, VCC = 2.5V
D6 ILI Input leakage current 1 AVIN = VSS or VCC
D7 ILO Output leakage current 1 AVOUT = VSS or VCC
D8 CIN, Pin capacitance 10 pFVCC = 5.0V (Note)
COUT (all inputs/outputs) TA = 25C, FCLK = 1 MHz
D9 ICC write Operating current 0.1 3 mAVCC = 5.5V, SCL = 400 kHz
D10 ICC read 0.05 1 mA
D11 ICCS Standby current 0.01 1 Industrial
5 Automotive
SDA = SCL = VCC
WP = VSS
Note: This parameter is periodically sampled and not 100% tested.
DS21711J-page 2 2009 Microchip Technology Inc.