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S-24C32C/64C
www.sii-ic.com
© SII Semiconductor Corporation, 2009-2013
2-WIRE SERIAL E2PROM
Rev.4.0_02_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:
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
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 SII
Semiconductor Corporation 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_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.
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_02_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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