S-24C128C
www.ablic.com
www.ablicinc.com
© ABLIC Inc., 2009-2013
2-WIRE SERIAL E
2
PROM
Rev.4.0
_03_H
The S-24C128C is a 2-wire, low current consumption and wide range operation serial E
2
PROM. The S-24C128C has the
capacity of 128K-bit, and the organization is 16384 words
8-bit. Page write and sequential read are available.
Features
Operating voltage range
Read:
1.6 V to 5.5 V
Write:
1.7 V to 5.5 V
64 bytes / page
Page write:
Sequential read
Operation frequency:
400 kHz (V
CC
= 1.6 V to 5.5 V)
Write time:
5.0 ms max.
Noise suppression:
Schmitt trigger and noise filter on input pins (SCL, SDA)
Write protect function during the low power supply voltage
Endurance:
10
6
cycles / word
*1
(Ta =
25°C)
Data retention:
100 years (Ta =
25°C)
Memory capacity:
128 K-bit
Write protect:
100%
Initial shipment data:
FFh
Lead-free (Sn 100%), halogen-free
*2
*1.
For each address (Word: 8-bit)
*2.
Refer to “
Product Name Structure”
for details.
Packages
8-Pin SOP (JEDEC)
8-Pin TSSOP
Caution This product is intended to use in general electronic devices such as consumer electronics, office
equipment, and communications devices. Before using the product in medical equipment or
automobile equipment including car audio, keyless entry and engine control unit, contact to ABLIC
Inc. is indispensable.
1
2-WIRE SERIAL E
2
PROM
S-24C128C
Pin Configurations
1. 8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
Pin No
Symbol
A0
A1
A2
GND
SDA
*1
SCL
*1
Table 1
Description
Rev.4.0
_03_H
1
2
3
4
8
7
6
5
Figure 1
S-24C128CI-J8T1U3
Slave address input
Slave address input
Slave address input
Ground
Serial data I/O
Serial clock input
Write protect input
7
WP
Connected to V
CC
:
Protection valid
Open or connected to GND: Protection invalid
8
VCC
Power supply
*1.
Do not use it in high impedance.
1
2
3
4
5
6
2. 8-Pin TSSOP
8-Pin TSSOP
Top view
Pin No
1
2
3
4
8
7
6
5
Table 2
Symbol
A0
A1
A2
GND
SDA
*1
SCL
*1
Description
Figure 2
S-24C128CI-T8T1U3
Slave address input
Slave address input
Slave address input
Ground
Serial data I/O
Serial clock input
Write protect input
7
WP
Connected to V
CC
:
Protection valid
Open or connected to GND: Protection invalid
8
VCC
Power supply
*1.
Do not use it in high impedance.
1
2
3
4
5
6
Remark
Refer to the “Package
drawings”
for the details.
2
Rev.4.0
_03_H
Block Diagram
2-WIRE SERIAL E
2
PROM
S-24C128C
WP
SCL
SDA
Start / Stop
Detector
Serial Clock
Controller
LOAD
Device Address
Comparator
COMP
LOAD INC
A2
A1
A0
R/W
Address
Counter
X Decoder
VCC
GND
Voltage Detector
High-Voltage Generator
Data Register
Memory Cell Array
Y Decoder
Selector
D
IN
D
OUT
Data Output
ACK Output
Controller
Figure 3
3
2-WIRE SERIAL E
2
PROM
S-24C128C
Absolute Maximum Ratings
Table 3
Item
Power supply voltage
Input voltage
Output voltage
Operation ambient temperature
Storage temperature
Symbol
V
CC
V
IN
V
OUT
T
opr
T
stg
Absolute Maximum Ratings
0.3
to
6.5
0.3
to
6.5
0.3
to
6.5
40
to
85
65
to
150
Rev.4.0
_03_H
Unit
V
V
V
°C
°C
Caution The absolute maximum ratings are rated values exceeding which the product could suffer
physical damage. These values must therefore not be exceeded under any conditions.
Recommended Operating Conditions
Table 4
Item
Power supply voltage
High level input voltage
Low level input voltage
Symbol
V
CC
V
IH
V
IL
Condition
Read Operation
Write Operation
V
CC
= 1.6 V to 5.5 V
V
CC
= 1.6 V to 5.5 V
Ta =
40°C
to
85°C
Min.
Max.
1.6
1.7
0.7
V
CC
0.3
5.5
5.5
5.5
0.3
V
CC
Unit
V
V
V
V
Pin Capacitance
Table 5
Item
Input capacitance
I/O capacitance
Symbol
Condition
C
IN
V
IN
= 0 V (SCL, A0, A1, A2, WP)
C
I / O
V
I / O
= 0 V (SDA)
(Ta =
25°C,
f = 1.0 MHz, V
CC
= 5.0 V)
Min.
Max.
Unit
10
pF
10
pF
Endurance
Table 6
Item
Symbol
Endurance
N
W
*1.
For each address (Word: 8-bit)
Operation Ambient Temperature
Ta =
25°C
Min.
10
6
Max.
Unit
cycles / word
*1
Data Retention
Table 7
Item
Data retention
Symbol
Operation Ambient Temperature
Ta =
25°C
Min.
100
Max.
Unit
year
4
Rev.4.0
_03_H
DC Electrical Characteristics
Table 8
2-WIRE SERIAL E
2
PROM
S-24C128C
Item
Current consumption (READ)
Symbol Condition
I
CC1
Ta =
40°C
to
85°C
V
CC
= 1.6 V to 5.5 V
f
SCL
= 400 kHz
Min.
Max.
0.8
Unit
mA
Table 9
Ta =
40°C
to
85°C
V
CC
= 1.7 V to 5.5 V
f
SCL
= 400 kHz
Min.
Max.
4.0
Item
Current consumption (WRITE)
Symbol Condition
I
CC2
Unit
mA
Table 10
Ta =
40°C
to
85°C
Item
Standby current
consumption
Input leakage current 1
Input leakage current 2
Output leakage current
Input current 1
Input current 2
Input Impedance 1
Input Impedance 2
Symbol
Condition
V
CC
= 2.5 V to 5.5 V V
CC
= 1.8 V to 5.5 V V
CC
= 1.6 V to 1.8 V Unit
Min.
I
SB
I
LI1
I
LI2
I
LO
I
IL
I
IH
Z
IL
Z
IH
V
IN
= V
CC
or GND
SCL, SDA,
V
IN
= GND to V
CC
A0, A1, A2
V
IN
> 0.7
V
CC
At standby mode
SDA
V
OUT
= GND to V
CC
WP
V
IN
< 0.3
V
CC
WP
V
IN
> 0.7
V
CC
WP
V
IN
= 0.3
V
CC
WP
V
IN
= 0.7
V
CC
I
OL
= 3.2 mA
I
OL
= 1.5 mA
I
OL
= 0.7 mA
30
500
Max.
4.5
1.0
1.0
1.0
50.0
2.0
0.4
0.3
0.2
Min.
30
500
Max.
4.5
1.0
1.0
1.0
50.0
2.0
0.3
0.2
Min.
30
500
Max.
2.0
1.0
1.0
1.0
50.0
2.0
0.3
0.2
A
A
A
A
A
A
k
k
V
V
V
Low level output voltage V
OL
5
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
