24LC256-I/P Microchip Technology Inc., 24LC256-I/P Datasheet - Page 4

• Manufacturer Part Number: 24LC256-I/P
• Description: 256K, 32K X 8, 2.5V SER EE, IND
• Manufacturer: Microchip Technology Inc.

Specifications of 24LC256-I/P

• Capacitance, Input: 10 pF
• Capacitance, Output: 10 pF
• Current, Input, Leakage: ±1 μA
• Current, Operating: 400 μA (Read), 3 mA (Write)
• Current, Output, Leakage: ±1
• Data Retention: >200 yrs.
• Density: 256K
• Interface: 2-Wire
• Memory Type: Serial EEPROM
• Organization: 32K×8
• Package Type: PDIP
• Temperature, Operating: -40 to +85 °C
• Time, Access: 900 ns
• Time, Fall: 300 ns
• Time, Rise: 300 ns
• Voltage, Esd: ≥4 kV
• Voltage, Input, High: 1.75 V
• Voltage, Input, Low: 0.75 V
• Voltage, Output, Low: 0.4 V
• Voltage, Supply: 2.5 to 5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

24AA256/24LC256/24FC256
FIGURE 1-1:
DS21203P-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 25°C (Note 4)
D4
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
© 2007 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