24LC256-I/STG Microchip Technology, 24LC256-I/STG Datasheet - Page 4

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24LC256-I/STG

Manufacturer Part Number
24LC256-I/STG
Description
IC,SERIAL EEPROM,32KX8,CMOS,TSSOP,8PIN,PLASTIC
Manufacturer
Microchip Technology
Datasheets

Specifications of 24LC256-I/STG

Rohs Compliant
YES
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
400kHz
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-TSSOP
Package
8TSSOP
Interface Type
Serial-I2C
Density
256 Kb
Maximum Operating Frequency
0.4 MHz
Maximum Random Access Time
900 ns
Typical Operating Supply Voltage
3.3|5 V
Organization
32Kx8
Data Retention
200(Min) Year
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
24AA256/24LC256/24FC256
FIGURE 1-1:
DS21203Q-page 4
AC CHARACTERISTICS (Continued)
Param.
13
14
15
16
17
18
Note 1:
No.
SCL
SDA
IN
SDA
OUT
WP
2:
3:
4:
T
T
T
T
T
AA
OF
SP
WC
BUF
Sym.
Not 100% tested. C
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.
The combined T
noise spike suppression. This eliminates the need for a T
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.
16
7
Output valid from clock
(Note 2)
Bus free time: Time the bus
must be free before a new
transmission can start
Output fall time from V
minimum to V
C
Input filter spike suppression
(SDA and SCL pins)
Write cycle time (byte or
page)
Endurance
B
BUS TIMING DATA
 100 pF
6
Characteristic
SP
5
and V
B
= total capacitance of one bus line in pF.
IL
3
maximum
HYS
specifications are due to new Schmitt Trigger inputs, which provide improved
IH
2
Electrical Characteristics:
Industrial (I):
Automotive (E):
10 + 0.1CB
8
1,000,000
4700
1300
1300
(unprotected)
Min.
500
(protected)
13
Max.
3500
900
900
400
250
250
9
50
5
V
V
I
specification for standard operation.
CC
CC
= +1.7V to 5.5V
= +2.5V to 5.5V
cycles Page mode, 25°C, 5.5V (Note 4)
D3
Units
ms
ns
ns
ns
ns
1.7 V  V
2.5 V  V
1.7V  V
2.5 V  V
1.7V  V
2.5V  V
1.7V  V
2.5V  V
All except, 24FC256 (Note 1)
All except, 24FC256 (Notes 1
and 3)
11
 2010 Microchip Technology Inc.
4
10
CC
CC
CC
CC
CC
CC
CC
CC
T
T
Conditions
A
A
 2.5V 24FC256
 2.5V
 5.5V
 2.5V 24FC256
 5.5V 24FC256
 2.5V
 5.5V
 5.5V 24FC256
= -40°C to +85°C
= -40°C to +125°C
12
14

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