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S-24C128C
www.sii-ic.com
© SII Semiconductor Corporation, 2009-2013
2-WIRE SERIAL E2PROM
Rev.4.0_02_H
The S-24C128C is a 2-wire, low current consumption and wide range operation serial E2PROM. 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
Page write:
64 bytes / page
Sequential read
Operation frequency:
400 kHz (VCC = 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:
106cycles / 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 SII
Semiconductor Corporation is indispensable.
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2-WIRE SERIAL E2PROM
S-24C128C
Pin Configurations
1. 8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
18
27
36
45
Figure 1
S-24C128CI-J8T1U3
Rev.4.0_02_H
Table 1
Pin No
Symbol
Description
1 A0 Slave address input
2 A1 Slave address input
3 A2 Slave address input
4
GND
Ground
5
SDA*1
Serial data I/O
6
SCL*1
Serial clock input
Write protect input
7 WP Connected to VCC: Protection valid
Open or connected to GND: Protection invalid
8
VCC
Power supply
*1. Do not use it in high impedance.
2. 8-Pin TSSOP
8-Pin TSSOP
Top view
18
27
36
45
Figure 2
S-24C128CI-T8T1U3
Table 2
Pin No
Symbol
Description
1 A0 Slave address input
2 A1 Slave address input
3 A2 Slave address input
4
GND
Ground
5
SDA*1
Serial data I/O
6
SCL*1
Serial clock input
Write protect input
7 WP Connected to VCC: Protection valid
Open or connected to GND: Protection invalid
8
VCC
Power supply
*1. Do not use it in high impedance.
Remark Refer to the “Package drawings” for the details.
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Rev.4.0_02_H
Block Diagram
SCL
SDA
A2
A1
A0
Start / Stop
Detector
LOAD
Device Address
Comparator
Serial Clock
Controller
COMP
LOAD INC
R/W
Address
Counter
Y Decoder
DIN
DOUT
Figure 3
2-WIRE SERIAL E2PROM
S-24C128C
VCC
WP
GND
Voltage Detector
High-Voltage Generator
Data Register
X Decoder Memory Cell Array
Selector
Data Output
ACK Output
Controller
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2-WIRE SERIAL E2PROM
S-24C128C
Rev.4.0_02_H
Absolute Maximum Ratings
Table 3
Item
Power supply voltage
Input voltage
Output voltage
Operation ambient temperature
Storage temperature
Symbol
VCC
VIN
VOUT
Topr
Tstg
Absolute Maximum Ratings
0.3 to +6.5
0.3 to +6.5
0.3 to +6.5
40 to +85
65 to +150
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
Condition
VCC
Read Operation
Write Operation
VIH VCC = 1.6 V to 5.5 V
VIL VCC = 1.6 V to 5.5 V
Ta = 40°C to +85°C
Min. Max.
1.6 5.5
1.7 5.5
0.7 × VCC
5.5
0.3
0.3 × VCC
Unit
V
V
V
V
Pin Capacitance
Item
Input capacitance
I/O capacitance
Table 5
Symbol
Condition
CIN
CI / O
VIN = 0 V (SCL, A0, A1, A2, WP)
VI / O = 0 V (SDA)
(Ta = +25°C, f = 1.0 MHz, VCC = 5.0 V)
Min.
Max.
Unit
10 pF
10 pF
Endurance
Table 6
Item
Symbol
Endurance
NW
*1. For each address (Word: 8-bit)
Operation Ambient Temperature
Ta = +25°C
Min.
106
Max.
Unit
cycles / word*1
Data Retention
Item
Data retention
Symbol
Table 7
Operation Ambient Temperature
Ta = +25°C
Min.
100
Max.
4
Unit
year

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Rev.4.0_02_H
DC Electrical Characteristics
Table 8
Item
Symbol Condition
Current consumption (READ) ICC1
2-WIRE SERIAL E2PROM
S-24C128C
Ta = 40°C to +85°C
VCC = 1.6 V to 5.5 V
fSCL = 400 kHz
Min. Max.
0.8
Unit
mA
Table 9
Item
Symbol Condition
Current consumption (WRITE) ICC2
Ta = 40°C to +85°C
VCC = 1.7 V to 5.5 V
fSCL = 400 kHz
Min. Max.
4.0
Unit
mA
Table 10
Ta = 40°C to +85°C
Item
Symbol
Condition
VCC = 2.5 V to 5.5 V VCC = 1.8 V to 5.5 V VCC = 1.6 V to 1.8 V Unit
Min. Max. Min. Max. Min. Max.
Standby current
consumption
ISB VIN = VCC or GND
4.5
4.5
2.0 μA
Input leakage current 1 ILI1
SCL, SDA,
VIN = GND to VCC
1.0
1.0
1.0 μA
A0, A1, A2
Input leakage current 2 ILI2
VIN > 0.7 × VCC
1.0 1.0 1.0 μA
At standby mode
Output leakage current ILO
SDA
VOUT = GND to VCC
1.0
1.0
1.0 μA
Input current 1
IIL
WP
VIN < 0.3 × VCC
50.0 50.0 50.0 μA
Input current 2
IIH
WP
VIN > 0.7 × VCC
2.0 2.0 2.0 μA
Input Impedance 1
ZIL
WP
VIN = 0.3 × VCC
30 30 30 kΩ
Input Impedance 2
ZIH
WP
VIN = 0.7 × VCC
500 500 500 kΩ
IOL = 3.2 mA
0.4 − − − − V
Low level output voltage VOL IOL = 1.5 mA
0.3 0.3 0.3 V
IOL = 0.7 mA
0.2 0.2 0.2 V
5