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S-24C32C/64C H Series
www.ablicinc.com
© ABLIC Inc., 2010-2017
FOR AUTOMOTIVE 105°C OPERATION
2-WIRE SERIAL E2PROM
Rev.3.0_01_H
The S-24C32C/64C H series is a high temperature operation 2-wire serial E2PROM for automotive components. The
S-24C32C/64C H series 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.
Caution Before using the product in automobile control unit or medical equipment, contact to ABLIC Inc. is
indispensable.
Features
Operating voltage range:
Read
2.5 V to 5.5 V
Write
2.5 V to 5.5 V
Page write:
32 bytes / page
Sequential read
Operation frequency:
Write time:
400 kHz (VCC = 2.5 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)
3 105cycles/word*1 (Ta = 85°C)
2 105cycles/word*1 (Ta = 105°C)
Data retention:
100 years (Ta = 25°C)
30 years (Ta = 85°C)
25 years (Ta = 105°C)
Memory capacity:
S-24C32C 32 K-bit
S-24C64C 64 K-bit
Write protect:
100%
Initial delivery state:
FFh
Operation temperature range:
Ta = 40°C to 105°C
Lead-free (Sn 100%), halogen-free
AEC-Q100 qualified*2
*1. For each address (Word: 8-bit)
*2. Contact our sales office for details.
Packages
8-Pin SOP (JEDEC)
8-Pin TSSOP
TMSOP-8
1

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FOR AUTOMOTIVE 105°C OPERATION 2-WIRE SERIAL E2PROM
S-24C32C/64C H Series
Rev.3.0_01_H
Pin Configurations
1. 8-Pin SOP (JEDEC)
Top view
1
2
3
4
8
7
6
5
Figure 1
S-24C32CH-J8T2U3
S-24C64CH-J8T2U3
2. 8-Pin TSSOP
Top view
18
27
36
45
Figure 2
S-24C32CH-T8T2U3
S-24C64CH-T8T2U3
Pin No
1
2
3
4
5
6
Symbol
A0
A1
A2
GND
SDA*1
SCL*1
7 WP
8 VCC
Table 1
Description
Slave address input
Slave address input
Slave address input
Ground
Serial data I/O
Serial clock input
Write protect input
Connected to VCC:
Protection valid
Open or connected to GND: Protection invalid
Power supply
Pin No
1
2
3
4
5
6
Symbol
A0
A1
A2
GND
SDA*1
SCL*1
7 WP
8 VCC
Table 2
Description
Slave address input
Slave address input
Slave address input
Ground
Serial data I/O
Serial clock input
Write protect input
Connected to VCC:
Protection valid
Open or connected to GND: Protection invalid
Power supply
3. TMSOP-8
Top view
18
27
36
45
Figure 3
S-24C32CH-K8T2U3
S-24C64CH-K8T2U3
Pin No
1
2
3
4
5
6
Symbol
A0
A1
A2
GND
SDA*1
SCL*1
7 WP
8 VCC
Table 3
Description
Slave address input
Slave address input
Slave address input
Ground
Serial data I/O
Serial clock input
Write protect input
Connected to VCC:
Protection valid
Open or connected to GND: Protection invalid
Power supply
*1. Do not use it in high impedance.
Remark Refer to the "Package Drawings" for details.
2

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Rev.3.0_01_H
Block Diagram
FOR AUTOMOTIVE 105°C OPERATION 2-WIRE SERIAL E2PROM
S-24C32C/64C H Series
SCL
SDA
A2
A1
A0
Start / Stop
Detector
LOAD
Device Address
Comparator
Serial Clock
Controller
COMP
LOAD INC
R/W
Address
Counter
Y Decoder
VCC
WP
GND
Voltage Detector
High-Voltage Generator
Data Register
X Decoder Memory Cell Array
Selector
DIN
DOUT
Figure 4
Data Output
ACK Output
Controller
3

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FOR AUTOMOTIVE 105°C OPERATION 2-WIRE SERIAL E2PROM
S-24C32C/64C H Series
Rev.3.0_01_H
AEC-Q100 Qualified
This IC supports AEC-Q100 for operation temperature grade 2.
Contact our sales office for details of AEC-Q100 reliability specification.
Absolute Maximum Ratings
Table 4
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 105
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
Item
Power supply voltage
High level input voltage
Low level input voltage
Pin Capacitance
Table 5
Symbol
Condition
VCC
Read
Write
VIH VCC = 2.5 V to 5.5 V
VIL VCC = 2.5 V to 5.5 V
Ta = 40°C to 105°C
Min. Max.
2.5 5.5
2.5 5.5
0.7 VCC
0.3
5.5
0.3 VCC
Unit
V
V
V
V
Item
Input capacitance
I/O capacitance
Endurance
Table 6
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
Table 7
Item Symbol Operation Ambient Temperature
Ta = 25°C
Endurance
NW Ta = 40°C to 85°C
Ta = 40°C to 105°C
*1. For each address (Word: 8 bits)
Data Retention
Min.
106
3 105
2 105
Max.
Unit
cycles / word*1
cycles / word*1
cycles / word*1
Item
Data retention
Table 8
Symbol
Operation Ambient Temperature
Ta = 25°C
Ta = 40°C to 85°C
Ta = 40°C to 105°C
Min.
100
30
25
Max.
Unit
year
year
year
4

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Rev.3.0_01_H
FOR AUTOMOTIVE 105°C OPERATION 2-WIRE SERIAL E2PROM
S-24C32C/64C H Series
DC Electrical Characteristics
Item Symbol
Current consumption (READ) ICC1
Table 9
Condition
Ta = 40°C to 105°C
VCC = 2.5 V to 5.5 V
fSCL = 400 kHz
Min. Max.
0.8
Unit
mA
Item Symbol
Current consumption (WRITE) ICC2
Table 10
Condition
Ta = 40°C to 105°C
VCC = 2.5 V to 5.5 V
fSCL = 400 kHz
Min. Max.
4.0
Unit
mA
Table 11
Item
Symbol
Condition
Standby current consumption ISB
Input leakage current 1
ILI1
Input leakage current 2
ILI2
Output leakage current
Input current 1
Input current 2
Input Impedance 1
Input Impedance 2
ILO
IIL
IIH
ZIL
ZIH
Low level output voltage
VOL
VIN = VCC or GND
SCL, SDA,
VIN = GND to VCC
A0, A1, A2
VIN > 0.7 VCC
At standby mode
SDA
VOUT = GND to VCC
WP
VIN < 0.3 VCC
WP
VIN > 0.7 VCC
WP
VIN = 0.3 VCC
WP
VIN = 0.7 VCC
IOL = 3.2 mA
IOL = 1.5 mA
IOL = 0.7 mA
Ta = 40°C to 105°C
VCC = 2.5 V to 5.5 V
Min. Max.
12.0
1.2
 1.2
1.2
50.0
2.0
30
500
0.4
0.3
0.2
Unit
A
A
A
A
A
A
k
k
V
V
V
5