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S-25C010A/020A/040A
www.ablicinc.com
© ABLIC Inc., 2007-2015
SPI SERIAL E2PROM
Rev.4.3_02_C
The S-25C010A/020A/040A is a SPI serial E2PROM which operate at high speed, with low current consumption and the wide
range operation. The S-25C010A/020A/040A has the capacity of 1 K-bit, 2 K-bit, 4 K-bit and the organization of 128 words 8-
bit, 256 words 8-bit, 512 words 8-bit. Page write and sequential read are available.
Features
Operating voltage range:
Read
Write
1.6 V to 5.5 V
1.7 V to 5.5 V
Operation frequency:
Write time:
SPI mode (0, 0) and (1, 1)
Page write:
Sequential read
Write protect:
Protect area:
5.0 MHz (VCC = 2.5 V to 5.5 V)
4.0 ms max.
16 bytes / page
Software, Hardware
25%, 50%, 100%
Monitors write to the memory by a status register
Function to prevent malfunction by monitoring clock pulse
Write protect function during the low power supply
CMOS schmitt input ( CS , SCK, SI, WP , HOLD )
Endurance:
106cycles / word*1 (Ta = 25°C)
Data retention:
100 years (Ta = 25°C)
Memory capacity:
S-25C010A 1 K-bit
S-25C020A 2 K-bit
S-25C040A 4 K-bit
Initial delivery state:
FFh, BP1 = 0, BP0 = 0
Operation temperature range: Ta = 40°C to 85C
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 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.
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SPI SERIAL E2PROM
S-25C010A/020A/040A
Pin Configurations
1. 8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
18
27
36
45
Figure 1
S-25C010A0I-J8T1x
S-25C020A0I-J8T1x
S-25C040A0I-J8T1x
Rev.4.3_02_C
Table 1
Pin No. Symbol
Description
1
CS *1
Chip select input
2 SO Serial data output
3
WP *1
Write protect input
4
GND
Ground
5 SI*1 Serial data input
6
SCK*1
Serial clock input
7 HOLD *1 Hold input
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-25C010A0I-T8T1x
S-25C020A0I-T8T1x
S-25C040A0I-T8T1x
Table 2
Pin No. Symbol
Description
1
CS *1
Chip select input
2 SO Serial data output
3
WP *1
Write protect input
4
GND
Ground
5 SI*1 Serial data input
6
SCK*1
Serial clock input
7 HOLD *1 Hold input
8
VCC
Power supply
*1. Do not use it in high impedance.
Remark 1. Refer to the “Package drawings” for the details
2. x: G or U
3. Please select products of environmental code = U for Sn 100%, halogen-free products.
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Rev.4.3_02_C
3. TMSOP-8
TMSOP-8
Top view
18
27
36
45
Figure 3
S-25C010A0I-K8T3U
S-25C020A0I-K8T3U
S-25C040A0I-K8T3U
4. SNT-8A
SNT-8A
Top view
18
27
36
45
Figure 4
S-25C010A0I-I8T1U
S-25C020A0I-I8T1U
S-25C040A0I-I8T1U
SPI SERIAL E2PROM
S-25C010A/020A/040A
Table 3
Pin No. Symbol
Description
1
CS *1
Chip select input
2 SO Serial data output
3
WP *1
Write protect input
4
GND
Ground
5 SI*1 Serial data input
6
SCK*1
Serial clock input
7 HOLD *1 Hold input
8
VCC
Power supply
*1. Do not use it in high impedance.
Table 4
Pin No. Symbol
Description
1
CS *1
Chip select input
2 SO Serial data output
3
WP *1
Write protect input
4
GND
Ground
5 SI*1 Serial data input
6
SCK*1
Serial clock input
7 HOLD *1 Hold input
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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SPI SERIAL E2PROM
S-25C010A/020A/040A
Block Diagram
Voltage Detector
CS
SCK
SI
HOLD
WP
SO
Clock Counter
Data Register
Mode
Decoder
Output
Control
Circuit
Address Register
Status Register
Read Circuit
VCC
GND
Figure 5
Rev.4.3_02_C
Step-up Circuit
Page Latch
Memory
Cell
Array
Status
Memory Cell Array
Y Decoder
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Rev.4.3_02_C
SPI SERIAL E2PROM
S-25C010A/020A/040A
Absolute Maximum Ratings
Item
Power supply voltage
Input voltage
Output voltage
Operation ambient temperature
Storage temperature
Symbol
VCC
VIN
VOUT
Topr
Tstg
Table 5
Absolute Maximum Rating
0.3 to 7.0
0.3 to 7.0
0.3 to VCC 0.3
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
Item
Power supply voltage
High level input voltage
Low level input voltage
Table 6
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
1.75.5
0.7 VCC
0.3
VCC 1.0
0.3 VCC
Unit
V
V
V
V
Pin Capacitance
Item
Input capacitance
Output capacitance
Symbol
Table 7
Condition
(Ta = 25°C, f = 1.0 MHz, VCC = 5.0 V)
Min.
Max.
Unit
CIN
COUT
VIN = 0 V ( CS , SCK, SI, WP , HOLD )
VOUT = 0 V (SO)
8 pF
10 pF
Endurance
Table 8
Item Symbol Operation Ambient Temperature
Endurance
NW Ta = 25°C
*1. For each address (Word: 8-bit)
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