24LC21/SN Microchip Technology, 24LC21/SN Datasheet - Page 2

• Manufacturer Part Number: 24LC21/SN
• Description: IC EEPROM 1KBIT 400KHZ 8SOIC
• Manufacturer: Microchip Technology

Specifications of 24LC21/SN

• Memory Size: 1K (128 x 8)
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 100kHz, 400kHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Memory Configuration: 128 X 8
• Ic Interface Type: I2C
• Clock Frequency: 400kHz
• Supply Voltage Range: 2.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24LC21
1.0
Absolute Maximum Ratings
V
All inputs and outputs w.r.t. V
Storage temperature ...............................................................................................................................-65°C to +150°C
Ambient temperature with power applied ................................................................................................-40°C to +125°C
Soldering temperature of leads (10 seconds) .......................................................................................................+300°C
ESD protection on all pins
TABLE 1-1:
DS21095J-page 2
† 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 these or any other conditions above those
indicated in the operational listings of this specification is not implied. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
DC CHARACTERISTICS
SCL and SDA pins:
Input levels on V
Hysteresis of Schmitt Trigger inputs
Low-level output voltage
Low-level output voltage
Input leakage current
Output leakage current
Pin capacitance (all inputs/outputs)
Operating current
Standby current
Note 1:
CC
.............................................................................................................................................................................7.0V
High-level input voltage
Low-level input voltage
High-level input voltage
Low-level input voltage
2:
ELECTRICAL CHARACTERISTICS
This parameter is periodically sampled and not 100% tested.
V
LCK
Parameter
must be grounded.
CLK
DC CHARACTERISTICS
pin:
SS
........................................................................................................ -0.6V to V
(†)
V
Commercial (C): T
Industrial
C
I
I
CC
Symbol
CC
CC
IN
V
V
V
I
V
V
, C
CCS
V
V
I
= +2.5V to 5.5V
OL 1
OL 2
I
HYS
LO
Write
Read
LI
IH
IH
IL
IL
OUT
.05 V
.7 V
(I): T
Min
-10
-10
2.0
—
—
—
—
—
—
—
—
—
CC
CC
A
A
= 0°C to +70°C
= -40°C to +85°C
.3 V
.2 V
Max
100
—
—
10
10
10
30
.8
.4
.6
3
1
CC
CC
Units
mA
mA
pF
V
V
V
V
V
V
V
A
A
A
A
—
—
V
V
(Note 1)
I
I
V
V
V
T
V
V
V
(Note 2)
OL
OL
A
IN
OUT
CC
CC
CC
CC
CC
CC
 2004 Microchip Technology Inc.
= 25 C, F
= 3 mA, V
= 6 mA, V
= .1V to V
< 2.7V (Note 1)
= 5.0V (Note1),
= 5.5V, SCL = 400 kHz
= 3.0V, SDA = SCL = V
= 5.5V, SDA = SCL = V
= .1V to V
2.7V (Note 1)
Conditions
CLK
CC
CC
CC
CC
= 2.5V (Note 1)
= 1 MHz
= 2.5V
CC
+ 1.0V
CC
CC
4 kV