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S-24C32C/64C
www.ablicinc.com
© ABLIC Inc., 2009-2013
2-WIRE SERIAL E2PROM
Rev.4.0_03_H
The S-24C32C/64C is a 2-wire, low current consumption and wide range operation serial E2PROM. The S-24C32C/64C has
the capacity of 32 K-bit and 64 K-bit, and the organization is 4096 words 8-bit, 8192 words 8-bit, respectively. 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:
32 bytes / page
Sequential read
Operation frequency:
Write time:
400 kHz (VCC = 1.6 V to 5.5 V)
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
S-24C32C: 32 K-bit
S-24C64C: 64 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
TMSOP-8
SNT-8A
Caution This product is intended to use in general electronic devices such as consumer electronics, office
equipment, and communication 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.
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2-WIRE SERIAL E2PROM
S-24C32C/64C
Pin Configurations
1. 8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
18
27
36
45
Figure 1
S-24C32CI-J8T1U3
S-24C64CI-J8T1U3
2. 8-Pin TSSOP
8-Pin TSSOP
Top view
18
27
36
45
Figure 2
S-24C32CI-T8T1U3
S-24C64CI-T8T1U3
Rev.4.0_03_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.
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.
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Rev.4.0_03_H
3. TMSOP-8
TMSOP-8
Top view
18
27
36
45
Figure 3
S-24C32CI-K8T3U3
S-24C64CI-K8T3U3
4. SNT-8A
SNT-8A
Top view
18
27
36
45
Figure 4
S-24C32CI-I8T1U3
2-WIRE SERIAL E2PROM
S-24C32C/64C
Table 3
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.
Table 4
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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2-WIRE SERIAL E2PROM
S-24C32C/64C
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 5
Rev.4.0_03_H
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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Rev.4.0_03_H
2-WIRE SERIAL E2PROM
S-24C32C/64C
Absolute Maximum Ratings
Table 5
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 6
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
0.3
5.5
0.3 VCC
Unit
V
V
V
V
Pin Capacitance
Item
Input capacitance
I/O capacitance
Table 7
Symbol
CIN
CI / O
Condition
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 8
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 9
Operation Ambient Temperature
Ta = 25°C
Min.
100
Max.
Unit
year
5