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S-25C160A
www.ablicinc.com
© ABLIC Inc., 2009-2015
SPI SERIAL E2PROM
Rev.4.2_03_H
The S-25C160A is a SPI serial E2PROM which operates at high speed, with low current consumption and the wide range
operation. The S-25C160A has the capacity of 16K-bit and the organization of 2048 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)
5.0 ms max.
32 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:
16 K-bit
Initial delivery state:
FFh, SRWD = 0, 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
WLP-8J
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-25C160A
Pin Configurations
1. 8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
18
27
36
45
Figure 1
S-25C160A0I-J8T1U3
Rev.4.2_03_H
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-25C160A0I-T8T1U3
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.
3. TMSOP-8
TMSOP-8
Top view
18
27
36
45
Figure 3
S-25C160A0I-K8T3U3
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.
Remark Refer to the “Package drawings” for the details.
2

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Rev.4.2_03_H
SPI SERIAL E2PROM
S-25C160A
4. WLP-8J
WLP-8J
Bottom view
A1 C1 E1
CS SO VCC
B2 D2
WP HOLD
A3 C3 E3
GND
SCK
SI
Figure 4
S-25C160A0I-H8T3S3
Table 4
Pin No. Symbol
Description
A1
CS *1
Chip select input
A3
GND
Ground
B2
WP *1
Write protect input
C1 SO Serial data output
C3
SCK*1
Serial clock input
D2 HOLD *1 Hold input
E1
VCC
Power supply
E3 SI*1 Serial data input
*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-25C160A
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.4.2_03_H
Step-up Circuit
Page Latch
Memory
Cell
Array
Status
Memory Cell Array
Y Decoder
4

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Rev.4.2_03_H
SPI SERIAL E2PROM
S-25C160A
Absolute Maximum Ratings
Table 5
Item
Symbol
Absolute Maximum Rating
Unit
Power supply voltage
VCC
0.3 to 6.5
V
Input voltage
VIN
0.3 to 6.5
V
Output voltage
VOUT
0.3 to VCC 0.3
V
Operation ambient temperature
Topr
40 to 85
°C
Storage temperature
Tstg
65 to 150
°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
1.7 5.5
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
Item Symbol
Endurance
NW
*1. For each address (Word: 8-bit)
Table 8
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