24LC256-E/ST Microchip Technology, 24LC256-E/ST Datasheet - Page 4

IC EEPROM 256KBIT 400KHZ 8TSSOP

24LC256-E/ST

Manufacturer Part Number
24LC256-E/ST
Description
IC EEPROM 256KBIT 400KHZ 8TSSOP
Manufacturer
Microchip Technology
Datasheets

Specifications of 24LC256-E/ST

Memory Size
256K (32K x 8)
Package / Case
8-TSSOP
Operating Temperature
-40°C ~ 125°C
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
400kHz
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Organization
32 K x 8
Interface Type
I2C
Maximum Clock Frequency
0.4 MHz
Access Time
900 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.5 V
Maximum Operating Current
3 mA
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
2.5 V, 5.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
24LC256-E/ST
Manufacturer:
Microchip Technology
Quantity:
1 869
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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